WO2021107424A2 - 풍력 발전 시스템 - Google Patents
풍력 발전 시스템 Download PDFInfo
- Publication number
- WO2021107424A2 WO2021107424A2 PCT/KR2020/015025 KR2020015025W WO2021107424A2 WO 2021107424 A2 WO2021107424 A2 WO 2021107424A2 KR 2020015025 W KR2020015025 W KR 2020015025W WO 2021107424 A2 WO2021107424 A2 WO 2021107424A2
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- WO
- WIPO (PCT)
- Prior art keywords
- blades
- blade
- wind
- generator
- rail
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D5/00—Other wind motors
- F03D5/04—Other wind motors the wind-engaging parts being attached to carriages running on tracks or the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D5/00—Other wind motors
- F03D5/02—Other wind motors the wind-engaging parts being attached to endless chains or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D15/00—Transmission of mechanical power
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
- H02K7/1823—Rotary generators structurally associated with turbines or similar engines
- H02K7/183—Rotary generators structurally associated with turbines or similar engines wherein the turbine is a wind turbine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2220/00—Application
- F05B2220/70—Application in combination with
- F05B2220/706—Application in combination with an electrical generator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/20—Rotors
- F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05B2240/31—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor of changeable form or shape
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Definitions
- the present invention relates to a power generation system, and more particularly, to a wind power generation system having a plurality of blades.
- a wind generator is a device that converts wind energy into electrical energy.
- the blowing wind causes the blades of the wind turbine to rotate. Electricity can be generated from the rotational force of the blades.
- the wind power generator may be composed of three parts: a blade, a transmission, and a generator.
- a blade is a device that is rotated by the wind and converts wind energy into mechanical energy.
- a generator is a device that converts mechanical energy generated by the blades into electrical energy.
- An object of the present invention for solving the above-mentioned problems is by configuring the rotation axis of the generator to rotate by using the movement of a plurality of blades and/or moving bodies moving along the movement path provided by the rail, the rotation of the conventional large rotor blades It is to provide a wind power generation system that can solve the noise generation problem.
- a wind power generation system for achieving the above object, a rail for providing a movement path in the horizontal direction; a movable body configured to slide and move according to the movement path of the rail; a plurality of blades installed on the moving body to provide power for moving the moving body based on wind energy; and a nacelle provided with a generator generating electric power by rotating in association with movement of at least one of the movable body and the blade.
- the generator includes a generator central rotation shaft and a circular toothed gear coupled to the generator central rotation shaft, and a surface facing the generator of at least one of the movable body and the blade is provided with a plurality of toothed mountains, According to the movement of at least one of the movable body and the blade, as the toothed mountain moves in mesh with the circular toothed gear, the generator center rotational axis may be configured to rotate.
- the wind power generation system further includes a power transmission shaft rotating in association with movement of at least one of the movable body and the blade, and a rotational pulley provided on the power transmission shaft and a generator center rotation shaft of the generator
- the rotary pulley provided in the rotary belt may be configured to rotate in accordance with the rotary linkage.
- the rail forms a loop
- each of the plurality of blades relates to information about a target movement direction and wind direction determined according to a position of each of the plurality of blades in the loop. Based on the information, it may be configured to adaptively rotate to maximize power in the target direction of movement.
- the rotation of each of the plurality of blades may be performed based on a rotation axis perpendicular to the ground.
- the rail forms a loop
- each of the plurality of blades is made of a flexible material and has a plurality of air pockets
- the position of each of the plurality of blades in the loop A shape for maximizing the power in the target movement direction by controlling the amount of air filling in at least one air pocket among the plurality of air pockets based on the information on the direction of the target movement and the information on the wind direction determined according to It may be configured to be transformed into
- the information on the position of each of the plurality of blades in the loop includes a position signal receiving device provided in each of the plurality of blades, a position identification signal generating device provided in plurality in the loop may be obtained by receiving a location identification signal from at least one of
- the information about the wind direction may be obtained from a wind direction sensor provided in each of the plurality of blades.
- each of the plurality of blades is configured to rotate in a direction performing a downwind category, in response to determining that the target movement direction coincides with a wind direction, wherein the target movement direction coincides with the wind direction
- it may be configured to rotate in a direction that performs the wind category.
- each of the plurality of blades includes a first partial blade and a second partial blade separated in a height direction, and the first partial blade and the second partial blade are configured to be rotatable independently of each other, , the first partial blade and the second partial blade may be configured to adaptively rotate to maximize power in the target movement direction, respectively, based on the information about the wind direction at the height at which they are respectively disposed.
- the loop formed by the rail may include: a first portion providing a movement path in a first direction; a second portion providing a movement path in a second direction opposite to the first direction; a first joint portion providing a path of travel from the first portion to the second portion; and a second joint portion providing a movement path from the second portion to the first portion.
- the wind power generation system further comprises an inner loop formed inside the loop to provide a shorter travel path than the loop, wherein the generator is configured to have a predetermined target rotational speed, Based on the information about the wind speed, it may be configured to rotate in association with movement of at least one of the moving body and the blade of any one of the loop and the inner loop to achieve a rotation speed closer to the target rotation speed.
- the information about the wind speed may be obtained from a wind speed sensor.
- each of the plurality of blades may be configured such that an installation position with respect to the movable body can be changed.
- the rail may include a straight section and a curved section, and the plurality of blades may be arranged at a narrower interval when positioned in the curved section than when positioned in the straight section.
- the wind power generation system a hangar in which the plurality of blades are stored; a junction included in the rail; and a containment rail providing a movement path from the junction to the hangar, wherein the plurality of blades may be configured to be contained in the hangar via the junction and the containment rail.
- the wind power generation system may further include a hangar configured to pass through the rail, and the plurality of blades may be configured to move along the rail and be accommodated in the hangar.
- each of the plurality of blades may include a fastening means for coupling with an adjacent blade when the distance between the plurality of blades is minimized by changing the installation position with respect to the movable body.
- the plurality of blades include a first blade positioned on the leftmost side and a second blade positioned on the rightmost side when the distance between the plurality of blades is minimized through a change in installation position with respect to the movable body, ,
- the first blade and the second blade may each have a fastening means, and the plurality of blades may be coupled by the fastening means of the first blade and the fastening means of the second blade being mutually fastened.
- each of the plurality of blades may be configured to be foldable toward the ground direction.
- a wind power generation system for achieving the above object, a rail for providing a movement path in the horizontal direction; A plurality of movable bodies configured to slide and move according to the movement path of the rail, wherein each of the plurality of movable bodies is respectively installed in the plurality of movable bodies to provide power for movement of each of the plurality of movable bodies based on energy according to the wind
- a plurality of movable bodies having a blade to do; a coupling body fastened to an upper end of a blade provided in each of the plurality of movable bodies, and moving based on power provided by the blade;
- it may include a nacelle (nacelle) provided with a generator for generating electric power by rotating in association with the movement of the assembly.
- the generator has a generator central rotation shaft and a circular toothed gear coupled to the generator central rotation shaft, and a plurality of toothed mounts are provided on a surface of the assembly facing the generator, and the movement of the assembly Accordingly, as the toothed mountain moves in mesh with the circular toothed gear, the generator center rotational axis may be configured to rotate.
- the wind power generation system further includes a power transmission shaft rotating in association with the movement of the assembly, a rotary pulley provided on the power transmission shaft and a rotary pulley provided on the generator center rotation shaft of the generator may be configured to rotate according to the rotating belt.
- the rail forms a loop
- each of the plurality of blades relates to information about a target movement direction and wind direction determined according to a position of each of the plurality of blades in the loop. Based on the information, it may be configured to adaptively rotate to maximize power in the target direction of movement.
- the rotation of each of the plurality of blades may be performed based on a rotation axis perpendicular to the ground.
- the rail forms a loop
- each of the plurality of blades is made of a flexible material and has a plurality of air pockets
- the position of each of the plurality of blades in the loop A shape for maximizing the power in the target movement direction by controlling the amount of air filling in at least one air pocket among the plurality of air pockets based on the information on the direction of the target movement and the information on the wind direction determined according to It may be configured to be transformed into
- the information on the position of each of the plurality of blades in the loop includes a position signal receiving device provided in each of the plurality of blades, a position identification signal generating device provided in plurality in the loop may be obtained by receiving a location identification signal from at least one of
- the information about the wind direction may be obtained from a wind direction sensor provided in each of the plurality of blades.
- each of the plurality of blades is configured to rotate in a direction performing a downwind category, in response to determining that the target movement direction coincides with a wind direction, wherein the target movement direction coincides with the wind direction
- it may be configured to rotate in a direction that performs the wind category.
- each of the plurality of blades includes a first partial blade and a second partial blade separated in a height direction, and the first partial blade and the second partial blade are configured to be rotatable independently of each other, , the first partial blade and the second partial blade may be configured to adaptively rotate to maximize power in the target movement direction, respectively, based on the information about the wind direction at the height at which they are respectively disposed.
- the loop formed by the rail may include: a first portion providing a movement path in a first direction; a second portion providing a movement path in a second direction opposite to the first direction; a first joint portion providing a path of travel from the first portion to the second portion; and a second joint portion providing a movement path from the second portion to the first portion.
- the wind power generation system further comprises an inner loop formed inside the loop to provide a shorter travel path than the loop, wherein the generator is configured to have a predetermined target rotational speed, Based on the information about the wind speed, it may be configured to rotate in conjunction with the movement of the combination of any one of the loop and the inner loop to achieve a rotation speed closer to the target rotation speed.
- the information about the wind speed may be obtained from a wind speed sensor.
- the assembly and each of the plurality of blades may be movably fastened to adjust the spacing between the plurality of blades.
- the rail may include a straight section and a curved section, and the plurality of blades may be arranged at a narrower interval when positioned in the curved section than when positioned in the straight section.
- the wind power generation system a hangar in which the plurality of blades are stored; a junction included in the rail; and a containment rail providing a movement path from the junction to the hangar, wherein the plurality of blades may be configured to be contained in the hangar via the junction and the containment rail.
- the wind power generation system may further include a hangar configured to pass through the rail, and the plurality of blades may be configured to move along the rail and be accommodated in the hangar.
- each of the plurality of blades may include a fastening means for coupling with an adjacent blade when the distance between the plurality of blades is minimized through a change in an installation position with respect to the assembly.
- the plurality of blades may include a first blade positioned on the leftmost side and a second blade positioned on the rightmost side when the distance between the plurality of blades is minimized through a change in the installation position with respect to the movable body.
- the first blade and the second blade each have a fastening means, so that the plurality of blades are coupled by the fastening means of the first blade and the fastening means of the second blade are fastened to each other.
- a fastening means so that the plurality of blades are coupled by the fastening means of the first blade and the fastening means of the second blade are fastened to each other.
- the blade may have a horizontal length of 90 m and a vertical height of 120 m.
- the generator may be configured to rotate in association with the movement of any one combination of the loop and the inner loop so that the moving speed of each of the movable bodies approaches 1.9 m/s.
- a wind power generation system for achieving the above object, a rail for providing a movement path in the horizontal direction; A plurality of movable bodies configured to slide and move according to the movement path of the rail, wherein each of the plurality of movable bodies is respectively installed in the plurality of movable bodies to provide power for movement of each of the plurality of movable bodies based on energy according to the wind A plurality of movable bodies having a blade to do; and a nacelle provided with a generator for generating electric power by rotating in association with the movement of the plurality of movable bodies.
- the generator includes a generator central rotation shaft and a circular toothed gear coupled to the generator central rotation shaft, and a power transmission rod is provided on a surface facing the generator of each of the plurality of movable bodies, the plurality of As the power transmission rod acts on the gear teeth of the circular toothed gear according to the movement of the moving body of the generator, the central rotational axis of the generator may be configured to rotate.
- the wind power generation system further includes a power transmission shaft that rotates in association with the movement of the plurality of moving objects, the rotation pulley provided on the power transmission shaft and the generator center rotation shaft of the generator
- the rotating pulley may be configured to rotate in accordance with the rotating belt.
- the rail forms a loop
- each of the plurality of blades relates to information about a target movement direction and wind direction determined according to a position of each of the plurality of blades in the loop. Based on the information, it may be configured to adaptively rotate to maximize power in the target direction of movement.
- the rotation of each of the plurality of blades may be performed based on a rotation axis perpendicular to the ground.
- the rail forms a loop
- each of the plurality of blades is made of a flexible material and has a plurality of air pockets
- the position of each of the plurality of blades in the loop A shape for maximizing the power in the target movement direction by controlling the amount of air filling in at least one air pocket among the plurality of air pockets based on the information on the direction of the target movement and the information on the wind direction determined according to It may be configured to be transformed into
- the information on the position of each of the plurality of blades in the loop includes a position signal receiving device provided in each of the plurality of blades, a position identification signal generating device provided in plurality in the loop may be obtained by receiving a location identification signal from at least one of
- the information about the wind direction may be obtained from a wind direction sensor provided in each of the plurality of blades.
- each of the plurality of blades is configured to rotate in a direction performing a downwind category, in response to determining that the target movement direction coincides with a wind direction, wherein the target movement direction coincides with the wind direction
- it may be configured to rotate in a direction that performs the wind category.
- each of the plurality of blades includes a first partial blade and a second partial blade separated in a height direction, and the first partial blade and the second partial blade are configured to be rotatable independently of each other, , the first partial blade and the second partial blade may be configured to adaptively rotate to maximize power in the target movement direction, respectively, based on the information about the wind direction at the height at which they are respectively disposed.
- the loop formed by the rail may include: a first portion providing a movement path in a first direction; a second portion providing a movement path in a second direction opposite to the first direction; a first joint portion providing a path of travel from the first portion to the second portion; and a second joint portion providing a movement path from the second portion to the first portion.
- the wind power generation system a hangar in which the plurality of moving objects are stored; a junction included in the rail; and a containment rail providing a movement path from the junction to the hangar, wherein the plurality of movable bodies may be configured to be stored in the hangar via the junction and the containment rail.
- the wind power generation system may further include a hangar configured to pass through the rail, and the plurality of movable bodies may be configured to be stored in the hangar by moving along the rail.
- each of the plurality of blades may include a fastening means for coupling with an adjacent blade when the distance between the plurality of blades is minimized according to the movement of the plurality of movable bodies.
- the plurality of blades includes a first blade positioned on the leftmost side and a second blade positioned on the rightmost side when the distance between the plurality of blades is minimized according to the movement of the plurality of movable bodies,
- the first blade and the second blade may each have a fastening means, and the plurality of blades may be coupled by the fastening means of the first blade and the fastening means of the second blade being coupled to each other.
- each of the plurality of blades may be configured to be foldable toward the ground direction.
- the blade may have a horizontal length of 90 m and a vertical height of 120 m.
- each of the plurality of blades may be configured to adaptively rotate so that the moving speed of each of the movable bodies approaches 1.9 m/s.
- the disclosed technology may have the following effects. However, this does not mean that a specific embodiment should include all of the following effects or only the following effects, so the scope of the disclosed technology should not be construed as being limited thereby.
- the blade by configuring the blade to be rotatable adaptively to the direction of the wind, it is possible to produce electric power with high efficiency regardless of changes in weather conditions.
- FIG. 1 is a conceptual diagram of a wind power generation system according to an embodiment of the present invention.
- FIG. 2 is a perspective view of a loop type wind power generation system according to an embodiment of the present invention.
- FIG. 3 shows a power transmission structure between a blade and/or a movable body and a central shaft of a generator according to the first aspect
- FIG. 4 shows a power transmission structure between the blade and/or the movable body and the generator central shaft according to the second aspect.
- 5 is a conceptual diagram of Bernoulli's theorem.
- FIG. 7 is a cross-sectional view of a blade support according to one side.
- FIG. 8 is an exemplary view of a highly detachable blade according to one side.
- FIG. 9 is a diagram illustrating a coupling relationship between a rail, a movable body, and a blade according to one side.
- FIG. 10 is a top view of a wind power generation system according to an aspect.
- FIG. 11 is a top view of a wind power generation system with adjustable blade spacing.
- FIG. 12 is an exemplary diagram for the arrangement of the generator central axis.
- FIG. 13 is an exemplary view of a wind power generation system capable of gear change.
- FIG. 14 is an exemplary view of a hangar constructed separately.
- 15 is an exemplary view of a hangar built on a rail.
- 16 is an exemplary view of a fastening form between blades.
- 17 is an exemplary view of a blade foldable in the ground direction.
- 18 is an exemplary view of a configuration of a plurality of rails having concentricity.
- 19 is an exemplary view of a stacked multi-rail arrangement.
- FIG. 20 is a conceptual diagram of a wind power generation system according to a second embodiment of the present invention.
- 21 is a conceptual diagram of a wind power generation system according to a third embodiment of the present invention.
- FIG. 22 shows a power transmission structure between a moving body and a central shaft of a generator in the embodiment of FIG. 21 .
- FIG. 23 shows a comparison result of the output of a conventional wind power generator and a wind power generation system according to an embodiment of the present invention.
- first, second, etc. may be used to describe various elements, but the elements should not be limited by the terms. The above terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, a first component may be referred to as a second component, and similarly, a second component may also be referred to as a first component. and/or includes a combination of a plurality of related listed items or any of a plurality of related listed items.
- the present invention is intended to solve the above problems, and the wind power generation system according to an embodiment of the present invention uses the movement of a plurality of blades and/or a movable body moving along a movement path provided by a rail. By configuring the rotating shaft to rotate, it is possible to solve the noise generation problem according to the rotation of the conventional large rotary blade.
- a wind power generation system according to an embodiment of the present invention will be described in more detail with reference to the drawings.
- FIG. 1 is a conceptual diagram of a wind power generation system according to an embodiment of the present invention
- FIG. 2 is a perspective view of a loop type wind power generation system according to an embodiment of the present invention.
- the wind power generation system 100 according to an embodiment of the present invention is a nacelle provided with a rail 10, a movable body 20, a plurality of blades 30 and a generator. ) (40).
- the rail 10 may provide a movement path through which the movable body 20 and/or the plurality of blades 30 slide and move.
- the rail 10 is exemplified as providing a movement path from the side of the movable body 20 , but the rail 10 is the movable body 20 and/or the plurality of blades 30 .
- It may have various design forms that can provide a movement path that can be moved by sliding.
- a form such as a train rail or a monorail may be employed.
- the rail 10 according to an embodiment of the present invention is installed on the ground or installed through a support to provide a movement path in the horizontal direction of the movable body 20 and/or the plurality of blades 30 can be configured to
- the movable body 20 may be configured to slide and move according to the movement path provided by the rail 10 , and the plurality of blades 30 are installed in the movable body to prevent the movement of the movable body 20 based on energy according to the wind. can provide power for That is, when the wind blows, the energy provided by the wind acts on the blades 30 and the blades 30 and the movable body 20 to which the blades are connected are configured to move.
- the movable body 20 is in contact with the rail 10 and it is exemplified that a plurality of blades 30 are installed on the movable body 20 , but the rail 10 , the movable body 20 and the blade
- the installation form and structure of (30) can be employed in various modifications.
- each of the blades 30 is configured to be slidably movable on the rail 10 , and the movable body 20 may function as a configuration connecting the plurality of blades 30 .
- the movable body 20 may be integral as shown in FIG. 1 , or in the other aspect may be in the form of a chain having a plurality of segment structures.
- the movable body 20 may be made of a material having flexibility.
- the nacelle 40 provided with the generator may be disposed adjacent to the movable body 20 and/or the blade 30 .
- the generator may be a generator that generates power according to the rotation of the generator central shaft gear 45 coupled to the generator central rotation shaft, and the central rotation shaft of the generator is one of the movable body 20 and the blade 30 . It may be configured to rotate in association with the at least one movement. 1 illustrates a configuration in which the generator center rotational shaft rotates in association with the movement of the movable body 20 .
- FIG. 3 shows a power transmission structure between the blade and/or movable body according to the first aspect and a generator center rotation shaft
- FIG. 4 is a power transmission structure between the blade and/or movable body and the generator center rotation shaft according to the second aspect indicates
- the generator has a generator central rotation shaft 45c and a circular toothed gear 45 coupled to the generator central rotation shaft 45c, and at least one of the movable body 20 and the blade 30 .
- a plurality of toothed peaks (20a) are provided on a surface facing the generator of the moving body (20) and the toothed mountain (20a) of the circular toothed gear (45) according to the movement of at least one of the blades (30) As it moves in engagement with 45a), the generator center rotational shaft 45c may be configured to rotate.
- FIG. 3 exemplarily shows that the moving body 20 is provided with the toothed mountain 20a, the toothed mountain 20a may be provided on the surface of the blade 30 facing the generator.
- the blade power transmission rod 30a may be provided on the side opposite to the generator of the blade 30, and the blade power transmission rod 30a moves while the generator central axis
- the generator center rotational shaft 45c may be configured to rotate by acting on a gear toothed mountain 45a formed on the gear 45 .
- a power transmission rod may be provided with a predetermined interval on the side opposite to the generator of the movable body 20 to induce rotation of the central rotational shaft 45c.
- the generator central axis may have various embodiments in relation to the rail.
- the generator center rotation shafts 1210 and 1220 may be located outside the loop. Also, it may be located inside the loop.
- the rotation of the generator center rotation shaft 1210, 1220 may be directly linked to the movement of the movable body and/or the blade, and may be configured to be rotationally linked with an intermediate means such as the generator central rotation shaft 1230.
- the wind power generation system further includes a power transmission shaft 1231 that rotates in association with the movement of at least one of the movable body 20 and the blade 30, and ,
- the rotary pulley provided on the power transmission shaft 1231 and the rotary pulley provided on the generator center rotation shaft 1230 of the generator may be configured to rotate according to the rotary belt 1233 .
- the rotating belt 1233 may be configured, for example, in the form of a conveyor belt or chain.
- the rail 10 may be configured to form a loop.
- the rail 10 may further include an upper frame 11 supported by a plurality of upper frame supports 13 , wherein the upper frame 11 moves the upper portion of the blade 30 . may be configured to improve the standing stability of the blades 30 by maintaining them.
- each of the plurality of blades 30 is based on the information about the direction of the target movement and the information about the wind direction determined according to the position of each of the plurality of blades 30 in the loop, the target movement It may be configured to rotate adaptively to maximize power in the direction.
- each of the plurality of blades 30 is made of a flexible material and has a plurality of air pockets, and in a target movement direction determined according to the position of each of the plurality of blades in the loop. It may be configured to be deformed into a shape that maximizes power in a target movement direction by controlling an air filling amount for at least one air pocket among the plurality of air pockets based on the information about the information about the air and the direction of the wind.
- the loop formed by the rail 10 includes, for example, a first portion 1010 providing a movement path in a first direction, a first direction and A second portion 1030 provides a travel path in an opposite second direction, a first joint portion 1020 provides a travel path from the first portion to the second portion, and movement from the second portion to the first portion may include a second joint portion 1040 that provides a path.
- the blades may be configured to move clockwise within the loop, so the target movement direction of the blades in the first portion 1010 may be the (right ⁇ left) direction in FIG. 10 , the first joint portion
- the target movement direction of the blades in 1020 is, according to the degree to which the blade has moved from the first part 1010 to the second part 1030, in the (right ⁇ left) direction, in the (bottom ⁇ up) direction, and again It changes gradually in the (left ⁇ right) direction.
- the target movement direction of the blades in the second portion 1030 is determined in the (left ⁇ right) direction
- the target movement direction of the blades in the second joint portion 1040 is the blade in the second portion 1030
- the target movement direction of the blades may be determined differently according to the position of each blade in the loop.
- each blade is configured to adaptively rotate so that the orientation of each blade is changed to maximize the power in the target movement direction of each blade can do. For example, rotation of each of the plurality of blades may be performed based on a rotation axis perpendicular to the ground.
- FIG. 5 is a conceptual diagram of Bernoulli's theorem
- FIG. 6 shows the speed of a sailing yacht according to wind and category form.
- Bernoulli's theorem can explain the phenomenon in which lift is generated by generating a pressure difference by changing the speed of the air flow, and by applying Bernoulli's theorem, the desired target movement is fast in the direction of the wind.
- the blades can be configured to be oriented to maximize power in the direction.
- Figure 6 shows the speed of the sailing yacht according to the wind and category type. As shown in FIG.
- the sailing yacht may generate power so that the ship proceeds in a desired direction in the same wind direction by appropriately adjusting the direction of the sail.
- the blades are rotated so that the power in the target movement direction can be maximized in consideration of the wind direction. to change the orientation of the blade.
- each of the plurality of blades is configured to rotate in a direction to perform a downwind category in response to determining that the target direction of movement coincides with a direction of wind, and in response to determining that the direction of target movement is opposite to the direction of wind.
- it may be configured to rotate in a direction that performs the wind category.
- the blade when the wind direction is a (right ⁇ left) direction, the blade is rotated in a direction performing a downwind category in the first part 1010, and in the second part 1030 in a direction performing a windup category.
- the blade can rotate.
- the blades may be rotated to maximize power according to the target movement direction according to the positions of each of the blades.
- each blade may be configured in a shape such as a sail of a sailing yacht.
- Each blade is provided with a support, and it may be configured such that a thin film in the form of a sail is held by the support. Therefore, it is possible to configure the wind power generation system according to an aspect of the present invention at a significantly reduced facility cost compared to a conventional wind power generator having a large rotary blade.
- the sail-shaped thin film may be formed of a tent material such as a linen or cotton cloth, or a synthetic fiber such as Tetron, or a polymer fusion material may be used.
- each of the blades 30 in relation to the principle of Bernoulli's principle and/or the principle of adjusting the traveling direction of the sailing yacht, it is possible to deform each of the blades 30 to have a shape that maximizes the power in the target moving direction.
- Bernoulli's theorem by varying the airflow velocity on both sides of the blade by increasing the gradient on one side of the blade and making it larger relative to the gradient on the other side, from one side of the blade to the opposite side may be configured to generate power.
- each of the plurality of blades may be made of a flexible material, and has a plurality of air pockets, and is configured to selectively change the amount of air filling in a specific air pocket among the plurality of air pockets. Accordingly, it is possible to implement a shape in which the blade has power in a desired direction under a predetermined wind condition.
- An air pump can be used, for example, to change the air fill.
- a blade in the form of a thin film that does not have a separate air pocket can be controlled by a support in the form of a grid that can change the angle in units of segments, and the wind given by changing the amount of rotation in units of each grid It may be configured to deform the blade into a shape that maximizes power in a desired direction of movement under conditions.
- each blade may be performed based on a rotation axis perpendicular to the ground, for example.
- 7 is a cross-sectional view of a blade support according to one side.
- the support of each blade may include an upper support 31 configured to support a sail-shaped thin film and a lower support 32 to which the upper support 31 is rotatably coupled. have.
- the lower support 32 provides a cavity through which the blade rotation shaft 35 coupled to the upper support 31 can pass.
- the blade rotation shaft 35 is connected to the motor shaft 34 to rotate the upper support by rotating based on the rotational force from the motor 33, and to adjust the orientation of the sail-shaped thin film in a desired direction. .
- FIG. 8 is an exemplary view of a highly separated blade according to one side.
- a suitable blade size for maximizing power production efficiency may be a fairly large size, and the direction of the wind may be different depending on the altitude. Therefore, in order to maximize the power in the target movement direction of the blade 30, even when the wind direction is different depending on the altitude, the blade is divided according to the altitude of the first part 37a and the second part 37b.
- each of the plurality of blades 30 includes a first partial blade and a second partial blade separated in the height direction, and the first partial blade and the second partial blade are configured to be rotatable independently of each other, The first partial blade and the second partial blade may be rotated to maximize the power in the target movement direction of the blade 30 based on the information about the direction of the wind at each disposed height.
- Acquisition of position information for determining the target moving direction of the blade, information about the wind direction, etc. can be achieved by employing any of the conventional sensor systems, and the control system for determining and changing the orientation of the blade is also Any of the conventional control systems may be selected.
- the information on the position of each of the plurality of blades in the loop, the position signal receiving device provided in each of the plurality of blades, from at least one of the plurality of position identification signal generating devices provided in the loop may be obtained by receiving a location identification signal of
- location information of each blade may be determined by a positioning system such as GPS.
- the target movement direction according to the position of the blade may be determined according to table information stored in the database, or the computing device may be configured to calculate in real time based on each position and the loop shape.
- the information about the wind direction may be obtained from a wind direction sensor provided in each of the plurality of blades, and accurate information about the wind direction for each blade may be used.
- the control system for performing calculations such as orientation determination may be set to be provided with a separate computing device or processor for each blade, or an integrated control system configured to transmit and receive information to and from each blade so that the integrated control system is It can also be configured to perform control for each blade.
- the wind power generation system 100 may include a plurality of nacelles.
- the nacelle 40 may include a generator having a generator central shaft gear 45-1, and a separate nacelle including an additional generator having a generator central shaft gear 45-2 is further provided.
- a generator central shaft gear 45-1 may be included in the wind power generation system 100.
- a separate nacelle including an additional generator having a generator central shaft gear 45-2 is further provided.
- the generator provided in the nacelle 40 may be configured to have a predetermined target rotation speed. Alternatively, it may be required to adjust the target rotation speed as necessary.
- each of the plurality of blades 30 may be configured such that an installation position with respect to the movable body 20 can be changed, and the distance between the blades 30 may be adjusted accordingly.
- each of the blades 30 is configured to be slidable on the rail 10
- the movable body 20 may be configured in the form of a chain connecting each of the blades 30 .
- the coupling of the movable body 20 and the blade 30 may be configured in a form in which readjustment is possible.
- 9 is a diagram illustrating a coupling relationship between a rail, a movable body, and a blade according to one side. As shown in FIG.
- a plurality of blades 30 may be provided to be slidably movable on the rail 10 , and the movable body 20 interlocks each of the blades 30 , but the coupling position is not readjusted. It may be provided in any possible form. However, the coupling relationship diagram of the rail, the movable body and the blade in FIG. 9 is an exemplary form, and various embodiments in which the movable body 20 and/or the blade 30 are slidably movable on the rail 10 may be employed. can
- FIG. 10 is a top view of the wind power generation system according to one side
- FIG. 11 is a top view of the wind power generation system with adjustable blade spacing.
- the rail may include a straight section 1110 and curved sections 1120 - 1 and 1120 - 2 , and the plurality of blades are curved sections than when positioned in the straight section 1110 .
- the rail When positioned at (1120-1, 1120-2), it may be configured to be arranged at a narrower interval.
- the wind power generation system may be configured such that the rail 10 forms a loop, as illustrated in FIG. 2 above, and is formed inside the loop to provide a shorter movement path than the loop any one of the loop and the inner loop to achieve a rotation speed closer to the target rotation speed based on the information about the wind speed, wherein the generator is configured to have a predetermined target rotation speed. It may be configured to rotate in association with movement of at least one of the moving body and the blade.
- FIG. 13 is an exemplary view of a wind power generation system capable of gear change.
- the wind power generation system may include a loop 1310 , a first inner loop 1320 , and a second inner loop 1330 .
- the first inner loop 1320 is configured to have a shorter travel path than the loop 1310
- the second inner loop 1330 is configured to have a shorter travel path than the first inner loop 1320 .
- the loop 1310 , the first inner loop 1320 , and the second inner loop 1330 may be configured to have different moving speeds.
- the generator since the generator may be configured to have a target rotational speed, it may be configured to selectively rotate in a loop capable of providing a rotational speed most suitable for the target rotational speed of the generator according to the wind speed.
- the generator central rotational axis 1340 can be connected with a first rotational interlocking shaft 1311 for the loop 1310 via a first rotational belt 1341 , and a second can be connected with the second rotational peristaltic shaft 1321 about the first inner loop 1320 via a rotating belt 1342 , and a third rotation about the second inner loop 1330 via a third rotating belt 1343 . It may be connected to the interlocking shaft 1331 .
- Each of the first rotating belt 1341 to the third rotating belt 1343 may be configured to be on/off in rotational linkage with the generator center rotation shaft 1340, so that the first rotating belt 1341 to the third rotation is possible. Any one of the belts 1343 may optionally be rotationally associated with the generator central axis of rotation 1340 .
- the embodiment shown in FIG. 13 is exemplary, and a configuration in which any one of a plurality of loops is selected to rotate the central rotation axis of the generator can be achieved through various embodiments such as a gear box.
- the information on the wind speed may be obtained from the wind speed sensor.
- a single wind speed sensor may be provided, or it may be installed in each loop or each blade to calculate the expected moving speed of each loop according to each wind speed.
- the wind power generation system in a situation in which the normal operation of the wind power generation system is not guaranteed, such as the occurrence of a typhoon, measures to protect the blades may be required.
- measures to protect the blades may be required.
- a hangar for the storage of the blades is installed, a fastening between the blades is made, or the protection measures of the blades may be performed in the form that the blades are folded toward the ground.
- the wind power generation system provides a hangar 1430 in which a plurality of blades are stored, a junction 1410 included in the rail, and a movement path from the junction to the hangar. It further includes a containment rail 1420 that is configured to be stored, and the plurality of blades 30 may be configured to be stored in the hangar 1430 via the junction 1410 and the containment rail 1420 .
- the coupling relationship of the movable body 20 and/or the blade 30 to the rail 10 can be implemented in various embodiments, and the blade 30 itself can be slidably moved on the rail 10 .
- the blades 30 are arranged to move from the junction 1410 on the rail 10 to the containment rail 1420 at the time when protective measures are required, and slide along the containment rail 1420 to the hangar 1430 can be contained in
- the movable body 20 may be slidably moved on the rail 10 , and the blade 30 may be provided so that an installation position on the movable body 20 can be changed.
- the movable body 20 is configured such that a part of the roof is detachable, and at a time when a protective action of the blade is required, the roof part of the movable body 20 is separated via the branch point 1410 to the containment rail 1420 It can be moved to extend to the hangar 1430 along the . Since the installation position of the blades on the movable body 20 can be changed, the blades can be moved on the movable body 20 extending along the containment rail 1420 and stored in the hangar 1430 .
- the wind power generation system according to an embodiment of the present invention further includes a hangar 1530 configured to pass through the rail 10 , and the plurality of blades 30 includes the rail 10 . It may be configured to move along and be stored in the hangar 1530 . Also in the embodiment illustrated by FIG. 15 , as in FIG. 14 , the blades 30 may be moved to the hangar 1530 in various ways according to the coupling relationship of the movable body and/or the blade with the rail.
- FIG. 16 is an exemplary view of a fastening form between blades. As shown in FIG. 16 , a plurality of blades of the blade 1630 - 1 to the blade 1630 - 2 can be coupled to each other when protection measures against typhoons are required.
- each of the plurality of blades may include a fastening means for coupling with an adjacent blade when the distance between the plurality of blades is minimized. That is, through the fastening between adjacent blades, as a result, all of the plurality of blades are combined, thereby improving resistance to typhoons.
- the plurality of blades includes a first blade 1630-1 positioned on the leftmost side and a second blade 1630-2 positioned on the rightmost side when the distance between the plurality of blades is minimized,
- the first blade 1630 - 1 and the second blade 1630 - 2 each have a fastening means, so that the plurality of blades are coupled by the fastening means of the first blade and the fastening means of the second blade are fastened to each other.
- a configuration in which a plurality of blades are coupled through various embodiments is possible.
- each of the plurality of blades may be configured to be foldable toward the ground direction.
- the blades which are normally located in the normal position 1730 and generate power based on the energy of the wind, are folded to the ground adjacent position 1740 at a time when protective measures are required, such as a typhoon risk, to minimize the influence of the wind.
- FIG. 18 is an exemplary view of a concentric multiple rail arrangement
- FIG. 19 is an exemplary view of a stacked multiple rail arrangement.
- the first loop 1810 , the second loop 1820 , and the third loop 1830 are concentrically arranged to have different moving lengths, so that space utilization can be improved.
- the first loop 1810 , the second loop 1820 , and the third loop 1830 are sequentially stacked in a vertical direction to improve space utilization. 18 and 19 may be implemented in combination.
- the wind power generation system 2000 is a nacelle provided with a rail 2010 , a moving body 2020 , a plurality of blades 2030 , an assembly 2050 and a generator (nacelle) (2040).
- the rail 2010 may provide a horizontal movement path through which the plurality of movable bodies 2020 can slide and move.
- the horizontal direction may be understood as a movement path along the ground or water surface as well as a complete horizontal direction in a mathematical sense as described above.
- the rail 2010 as shown in FIG. 1 or FIG. 2 above.
- the rail 2010 may have various design shapes that can provide a movement path through which the movable body 2020 can slide.
- the rail 2010 according to an embodiment of the present invention may be installed on the ground or installed through a support to provide a horizontal movement path of the movable bodies 2020 .
- the plurality of movable bodies 2020 may be configured to slide and move according to a movement path provided by the rail 2010 .
- each of the plurality of movable bodies 2020 may include a blade 2030 that is installed on the plurality of movable bodies, respectively, and provides power for movement of each of the plurality of movable bodies based on wind energy. That is, each movable body 2020 may slide and move according to a movement path provided by the rail 2010 according to the power of the blade 2030 based on wind.
- the plurality of blades 2030 may be installed on the mobile body 2020 to provide power for movement of the mobile body 2020 based on energy according to wind. That is, when the wind blows, the energy provided by the wind acts on the blades 2030 and the blades 2030 and the movable body 2020 to which these blades are connected are configured to move.
- the movable body 2020 contacts the rail 2010 and the blade 2030 is installed on the movable body 2020, but the rail 2010, the movable body 2020, and the blade 2030 ) of the installation form and structure can be employed in various modifications.
- a coupling body 2050 that is fastened to the upper end of the blade provided in each of the plurality of movable bodies and moves based on the power provided by the blades may be provided.
- the coupling body 2050 may be integrally formed as shown in FIG. 20 , or in the other aspect may be in the form of a chain having a plurality of segmental structures.
- the assembly 2050 may be configured as a material having flexibility.
- a nacelle 2040 equipped with a generator may be disposed adjacent to the assembly 2050 .
- the generator may be a generator that generates power according to the rotation of the generator central shaft gear 2045 coupled to the generator central rotation shaft, and the central rotation shaft of the generator rotates in association with the movement of the assembly 2050 can be configured to 20 is an exemplary configuration in which the generator center rotation shaft rotates in association with the movement of the assembly 2050 .
- FIG. 3 shows a power transmission structure between the blade and/or the movable body according to the first aspect and the generator center rotation shaft
- FIG. 4 is the blade according to the second aspect. and/or a power transmission structure between the mobile body and the generator center rotation shaft.
- the power transmission structure of Figs. 3 and 4 can also be employed in the power transmission structure between the assembly 2050 and the generator center rotation shaft of the second embodiment.
- the generator may have a generator central rotational shaft 45c and a circular toothed gear 45 coupled to the generator central rotational shaft 45c, and a combination (2050 in FIG. 20 ) ) is provided with a plurality of toothed peaks on the surface facing the generator, and as the toothed mountain moves in engagement with the toothed mountain 45a of the circular toothed gear 45 according to the movement of the assembly 2050, the generator center rotational shaft 45c is It may be configured to rotate.
- the generator central axis may have various embodiments in relation to the rail.
- the generator center rotation axes 1210 and 1220 may be located outside the loop, and the loop may be located inside the
- the rotation of the generator-centered rotation shafts 1210 and 1220 may be directly linked to the movement of the assembly 2050 , or may be configured to rotationally interlock with an intermediate means such as the generator-centered rotation shaft 1230 .
- the wind power generation system further includes a power transmission shaft 1231 that rotates in association with the movement of the assembly 2050, and the rotary pulley provided on the power transmission shaft 1231 and the generator of the generator
- a rotary pulley provided on the central rotational shaft 1230 may be configured to rotate in accordance with the rotational belt 1233 .
- the rotating belt 1233 may be configured, for example, in the form of a conveyor belt or chain.
- the rail 10 may be configured to form a loop.
- the rail 2010 may further include an upper frame supported by a plurality of upper frame supports, and the upper frame holds the assembly 2050 movably to move the blade 2030 . ) can be configured to improve their standing stability.
- each of the plurality of blades 2030 is based on the information on the direction of the target movement determined according to the position of each of the plurality of blades 2030 in the loop and information on the direction of the wind, the target movement It may be configured to rotate adaptively to maximize power in the direction.
- each of the plurality of blades 2030 is made of a flexible material and provided with a plurality of air pockets, and in a target movement direction determined according to the position of each of the plurality of blades in the loop. It may be configured to be deformed into a shape that maximizes power in a target movement direction by controlling an air filling amount for at least one air pocket among the plurality of air pockets based on the information about the information about the air and the direction of the wind.
- the loop formed by the rail 10 includes, for example, a first portion 1010 providing a movement path in a first direction, a first direction and A second portion 1030 provides a travel path in an opposite second direction, a first joint portion 1020 provides a travel path from the first portion to the second portion, and movement from the second portion to the first portion may include a second joint portion 1040 that provides a path.
- the blades may be configured to move clockwise within the loop, so the target movement direction of the blades in the first portion 1010 may be the (right ⁇ left) direction in FIG. 10 , the first joint portion
- the target movement direction of the blades in 1020 is, according to the degree to which the blade has moved from the first part 1010 to the second part 1030, in the (right ⁇ left) direction, in the (bottom ⁇ up) direction, and again It changes gradually in the (left ⁇ right) direction.
- the target movement direction of the blades in the second portion 1030 is determined in the (left ⁇ right) direction
- the target movement direction of the blades in the second joint portion 1040 is the blade in the second portion 1030
- the target movement direction of the blades may be determined differently according to the position of each blade in the loop.
- each blade is configured to adaptively rotate so that the orientation of each blade is changed to maximize the power in the target movement direction of each blade can do. For example, rotation of each of the plurality of blades may be performed based on a rotation axis perpendicular to the ground.
- each of the plurality of blades is configured to rotate in a direction to perform a downwind category in response to determining that the target direction of movement coincides with a direction of wind, and in response to determining that the direction of target movement is opposite to the direction of wind.
- it may be configured to rotate in a direction that performs the wind category.
- the blade when the wind direction is a (right ⁇ left) direction, the blade is rotated in a direction performing a downwind category in the first part 1010, and in the second part 1030 in a direction performing a windup category.
- the blade can rotate.
- the blades may be rotated to maximize power according to the target movement direction according to the positions of each of the blades.
- each blade may be configured in a shape such as a sail of a sailing yacht.
- Each blade is provided with a support, and it may be configured such that a thin film in the form of a sail is held by the support. Therefore, it is possible to configure the wind power generation system according to an aspect of the present invention at a significantly reduced facility cost compared to a conventional wind power generator having a large rotary blade.
- the sail-shaped thin film may be formed of a tent material such as a linen or cotton cloth, or a synthetic fiber such as Tetron, or a polymer fusion material may be used.
- each of the blades 30 in relation to the principle of Bernoulli's principle and/or the principle of adjusting the traveling direction of the sailing yacht, it is possible to deform each of the blades 30 to have a shape that maximizes the power in the target moving direction.
- Bernoulli's theorem by varying the airflow velocity on both sides of the blade by increasing the gradient on one side of the blade and making it larger relative to the gradient on the other side, from one side of the blade to the opposite side may be configured to generate power.
- each of the plurality of blades may be made of a flexible material, and has a plurality of air pockets, and is configured to selectively change the amount of air filling in a specific air pocket among the plurality of air pockets. Accordingly, it is possible to implement a shape in which the blade has power in a desired direction under a predetermined wind condition.
- An air pump can be used, for example, to change the air fill.
- a blade in the form of a thin film that does not have a separate air pocket can be controlled by a support in the form of a grid that can change the angle in units of segments, and the wind given by changing the amount of rotation in units of each grid It may be configured to deform the blade into a shape that maximizes power in a desired direction of movement under conditions.
- each blade may be performed based on a rotation axis perpendicular to the ground, for example.
- 7 is a cross-sectional view of a blade support according to one side.
- the support of each blade may include an upper support 31 configured to support a sail-shaped thin film and a lower support 32 to which the upper support 31 is rotatably coupled. have.
- the lower support 32 provides a cavity through which the blade rotation shaft 35 coupled to the upper support 31 can pass.
- the blade rotation shaft 35 is connected to the motor shaft 34 to rotate the upper support by rotating based on the rotational force from the motor 33, and to adjust the orientation of the sail-shaped thin film in a desired direction. .
- FIG. 8 is an exemplary view of a highly separated blade according to one side.
- a suitable blade size for maximizing power production efficiency may be a fairly large size, and the direction of the wind may be different depending on the altitude. Therefore, in order to maximize the power in the target movement direction of the blade 30, even when the wind direction is different depending on the altitude, the blade is divided according to the altitude of the first part 37a and the second part 37b.
- each of the plurality of blades 30 includes a first partial blade and a second partial blade separated in the height direction, and the first partial blade and the second partial blade are configured to be rotatable independently of each other, The first partial blade and the second partial blade may be rotated to maximize the power in the target movement direction of the blade 30 based on the information about the direction of the wind at each disposed height.
- Acquisition of position information for determining the target moving direction of the blade, information about the wind direction, etc. can be achieved by employing any of the conventional sensor systems, and the control system for determining and changing the orientation of the blade is also Any of the conventional control systems may be selected.
- the information on the position of each of the plurality of blades in the loop, the position signal receiving device provided in each of the plurality of blades, from at least one of the plurality of position identification signal generating devices provided in the loop may be obtained by receiving a location identification signal of
- location information of each blade may be determined by a positioning system such as GPS.
- the target movement direction according to the position of the blade may be determined according to table information stored in the database, or the computing device may be configured to calculate in real time based on each position and the loop shape.
- the information about the wind direction may be obtained from a wind direction sensor provided in each of the plurality of blades, and accurate information about the wind direction for each blade may be used.
- the control system for performing calculations such as orientation determination may be set to be provided with a separate computing device or processor for each blade, or an integrated control system configured to transmit and receive information to and from each blade so that the integrated control system is It can also be configured to perform control for each blade.
- the wind power generation system 100 may include a plurality of nacelles.
- the nacelle 40 may include a generator having a generator central shaft gear 45-1, and a separate nacelle including an additional generator having a generator central shaft gear 45-2 is further provided.
- a generator central shaft gear 45-1 may be included in the wind power generation system 100.
- a separate nacelle including an additional generator having a generator central shaft gear 45-2 is further provided.
- the generator provided in the nacelle 40 may be configured to have a predetermined target rotation speed. Alternatively, it may be required to adjust the target rotation speed as necessary.
- each of the assembly 2050 and the plurality of blades 2030 may be movably fastened to adjust a spacing between the plurality of blades.
- the coupling body 2050 may be configured in a chain shape connecting each blade 2030 . Even in this case, the coupling of the coupling body 2050 and the blade 2030 may be configured in a form in which readjustment is possible.
- FIG. 10 is a top view of the wind power generation system according to one side
- FIG. 11 is a top view of the wind power generation system with adjustable blade spacing.
- the rail may include a straight section 1110 and curved sections 1120 - 1 and 1120 - 2 , and the plurality of blades are curved sections than when positioned in the straight section 1110 .
- the rail When positioned at (1120-1, 1120-2), it may be configured to be arranged at a narrower interval.
- the wind power generation system may be configured such that the rail 2010 forms a loop, and further includes an inner loop formed inside the loop to provide a shorter movement path than the loop,
- the generator is configured to have a predetermined target rotational speed, and based on the information about the wind speed, in conjunction with the movement of any one of the combination of the loop and the inner loop to achieve a rotational speed closer to the target rotational speed. It may be configured to rotate.
- FIG. 13 is an exemplary view of a wind power generation system capable of gear change.
- the wind power generation system may include a loop 1310 , a first inner loop 1320 , and a second inner loop 1330 .
- the first inner loop 1320 is configured to have a shorter travel path than the loop 1310
- the second inner loop 1330 is configured to have a shorter travel path than the first inner loop 1320 .
- the loop 1310 , the first inner loop 1320 , and the second inner loop 1330 may be configured to have different moving speeds.
- the generator since the generator may be configured to have a target rotational speed, it may be configured to selectively rotate in a loop capable of providing a rotational speed most suitable for the target rotational speed of the generator according to the wind speed.
- the generator central rotational axis 1340 can be connected with a first rotational interlocking shaft 1311 for the loop 1310 via a first rotational belt 1341 , and a second can be connected with the second rotational peristaltic shaft 1321 about the first inner loop 1320 via a rotating belt 1342 , and a third rotation about the second inner loop 1330 via a third rotating belt 1343 . It may be connected to the interlocking shaft 1331 .
- Each of the first rotating belt 1341 to the third rotating belt 1343 may be configured to be on/off in rotational linkage with the generator center rotation shaft 1340, so that the first rotating belt 1341 to the third rotation is possible. Any one of the belts 1343 may optionally be rotationally associated with the generator central axis of rotation 1340 .
- the embodiment shown in FIG. 13 is exemplary, and a configuration in which any one of a plurality of loops is selected to rotate the central rotation axis of the generator can be achieved through various embodiments such as a gear box.
- the information on the wind speed may be obtained from the wind speed sensor.
- a single wind speed sensor may be provided, or it may be installed in each loop or each blade to calculate the expected moving speed of each loop according to each wind speed.
- the wind power generation system in a situation in which the normal operation of the wind power generation system is not guaranteed, such as the occurrence of a typhoon, measures to protect the blades may be required.
- measures to protect the blades may be required.
- a hangar for the storage of the blades is installed, a fastening between the blades is made, or the protection measures of the blades may be performed in the form that the blades are folded toward the ground.
- the wind power generation system provides a hangar 1430 in which a plurality of blades are stored, a junction 1410 included in the rail, and a movement path from the junction to the hangar. It further includes a containment rail 1420 that is configured to be stored, and the plurality of blades 30 may be configured to be stored in the hangar 1430 via the junction 1410 and the containment rail 1420 .
- the plurality of movable bodies 2020 are configured to be slidably on the rail 2010, the movable bodies 2020 having the blades 2030 at the time when protective measures are required are located at the junction 1410 on the rail 2010 at the containment rail. It is arranged to move to 1420 , and is moved to slide along the containment rail 1420 to be stored in the hangar 1430 .
- the wind power generation system according to an embodiment of the present invention further includes a hangar 1530 configured to pass through the rail 10 , and the plurality of blades 30 includes the rail 10 . It may be configured to move along and be stored in the hangar 1530 .
- a plurality of movable bodies 2020 having blades 2030 may be configured to move along a rail 2010 and to be stored in a hangar.
- FIG. 16 is an exemplary view of a fastening form between blades. As shown in FIG. 16 , a plurality of blades of the blade 1630 - 1 to the blade 1630 - 2 can be coupled to each other when protection measures against typhoons are required.
- each of the plurality of blades may include a fastening means for coupling with an adjacent blade when the distance between the plurality of blades is minimized. That is, through the fastening between adjacent blades, as a result, all of the plurality of blades are combined, thereby improving resistance to typhoons.
- the plurality of blades includes a first blade 1630-1 positioned on the leftmost side and a second blade 1630-2 positioned on the rightmost side when the distance between the plurality of blades is minimized,
- the first blade 1630 - 1 and the second blade 1630 - 2 each have a fastening means, so that the plurality of blades are coupled by the fastening means of the first blade and the fastening means of the second blade are fastened to each other.
- a configuration in which a plurality of blades are coupled through various embodiments is possible.
- the wind power generation system 2100 includes a rail 2110 , a movable body 2120 , a plurality of blades 2130 , and a generator provided with a nacelle 2140 . ) may be included.
- the rail 2110 may provide a horizontal movement path through which the plurality of movable bodies 2120 slide and move.
- the horizontal direction may be understood as a movement path along the ground or water surface as well as a complete horizontal direction in a mathematical sense as described above.
- the rail 2110 may have various design shapes capable of providing a movement path through which the movable body 2120 slides and moves.
- the rail 2110 according to an embodiment of the present invention may be installed on the ground or installed through a support to provide a horizontal movement path of the movable bodies 2120 .
- the plurality of movable bodies 2120 may be configured to slide and move according to a movement path provided by the rail 2110 .
- each of the plurality of movable bodies 2120 may include a blade 2130 that is respectively installed on the plurality of movable bodies and provides power for movement of each of the plurality of movable bodies based on wind energy. That is, each movable body 2120 may slide and move according to a movement path provided by the rail 2110 according to the power of the blade 2130 based on wind.
- the plurality of blades 2130 may be installed on the movable body 2120 to provide power for the movement of the movable body 2120 based on energy according to the wind. That is, when the wind blows, the energy provided by the wind acts on the blades 2130 and the blades 2130 and the movable body 2120 to which these blades are connected are configured to move.
- the movable body 2120 contacts the rail 2110 and the blade 2130 is installed on the movable body 2120 , but the rail 2110 , the movable body 2120 and the blade 2130 . ) of the installation form and structure can be employed in various modifications.
- a nacelle 2140 equipped with a generator may be disposed adjacent to the movable body 2120 and/or the blade 2130 .
- the generator may be a generator that generates power according to the rotation of the generator central shaft gear 2145 coupled to the generator central rotation shaft, and the central rotation shaft of the generator is one of the movable body 2120 and the blade 2130 . It may be configured to rotate in association with the at least one movement.
- 21 illustrates a configuration in which the generator center rotational shaft rotates in association with the movement of the movable body 2120 .
- a power transmission rod 2125 may be provided on a surface of the movable body 2120 facing the generator.
- FIG. 22 shows a power transmission structure between the mobile body and the generator central shaft in the embodiment of FIG. 21 .
- the generator has a generator central rotational shaft 2145c and a circular toothed gear 2145a coupled to the generator central rotational shaft 2145c, for example, the generator of the moving body 2120 facing the generator
- a blade power transmission rod 2125 may be provided laterally, and the blade power transmission rod 2125 moves while acting on a gear toothed mountain 2145a formed in the generator central shaft gear 2145, whereby the generator center rotational axis ( 2145c) may be configured to rotate.
- a power transmission rod may be provided on the side opposite to the generator of the blade 2130 to induce rotation of the central rotational shaft 2145c.
- the generator central axis may have various embodiments in relation to the rail.
- the generator center rotation shafts 1210 and 1220 may be located outside the loop. Also, it may be located inside the loop.
- the rotation of the generator center rotation shaft 1210, 1220 may be directly linked to the movement of the movable body and/or the blade, and may be configured to be rotationally linked with an intermediate means such as the generator central rotation shaft 1230.
- the wind power generation system further includes a power transmission shaft 1231 that rotates in association with the movement of at least one of the movable body 20 and the blade 30, and ,
- the rotary pulley provided on the power transmission shaft 1231 and the rotary pulley provided on the generator center rotation shaft 1230 of the generator may be configured to rotate according to the rotary belt 1233 .
- the rotating belt 1233 may be configured, for example, in the form of a conveyor belt or chain.
- the rail 10 may be configured to form a loop.
- the rail 2110 may further include an upper frame supported by a plurality of upper frame supports, and the upper frame includes blades 2130 provided in the movable body 2120 . It may be configured to improve the standing stability of the blades 2130 by remaining movable.
- the movement path of the plurality of blades and/or the movable body may have a circulating structure.
- each of the plurality of blades 2130 is based on the information about the direction of the target movement determined according to the position of each of the plurality of blades 2130 in the loop and information about the direction of the wind, the target movement It may be configured to rotate adaptively to maximize power in the direction.
- each of the plurality of blades 2130 is made of a flexible material and provided with a plurality of air pockets, and in a target movement direction determined according to the position of each of the plurality of blades in the loop. It may be configured to be deformed into a shape that maximizes power in a target movement direction by controlling an air filling amount for at least one air pocket among the plurality of air pockets based on the information about the information about the air and the direction of the wind.
- the loop formed by the rail 10 includes, for example, a first portion 1010 providing a movement path in a first direction, a first direction and A second portion 1030 provides a travel path in an opposite second direction, a first joint portion 1020 provides a travel path from the first portion to the second portion, and movement from the second portion to the first portion may include a second joint portion 1040 that provides a path.
- the blades may be configured to move clockwise within the loop, so the target movement direction of the blades in the first portion 1010 may be the (right ⁇ left) direction in FIG. 10 , the first joint portion
- the target movement direction of the blades in 1020 is, according to the degree to which the blade has moved from the first part 1010 to the second part 1030, in the (right ⁇ left) direction, in the (bottom ⁇ up) direction, and again It changes gradually in the (left ⁇ right) direction.
- the target movement direction of the blades in the second portion 1030 is determined in the (left ⁇ right) direction
- the target movement direction of the blades in the second joint portion 1040 is the blade in the second portion 1030
- the target movement direction of the blades may be determined differently according to the position of each blade in the loop.
- each blade is configured to adaptively rotate so that the orientation of each blade is changed to maximize the power in the target movement direction of each blade can do. For example, rotation of each of the plurality of blades may be performed based on a rotation axis perpendicular to the ground.
- each of the plurality of blades is configured to rotate in a direction to perform a downwind category in response to determining that the target direction of movement coincides with a direction of wind, and in response to determining that the direction of target movement is opposite to the direction of wind.
- it may be configured to rotate in a direction that performs the wind category.
- the blade when the wind direction is a (right ⁇ left) direction, the blade is rotated in a direction performing a downwind category in the first part 1010, and in the second part 1030 in a direction performing a windup category.
- the blade can rotate.
- the blades may be rotated to maximize power according to the target movement direction according to the positions of each of the blades.
- each blade may be configured in a shape such as a sail of a sailing yacht.
- Each blade is provided with a support, and it may be configured such that a thin film in the form of a sail is held by the support. Therefore, it is possible to configure the wind power generation system according to an aspect of the present invention at a significantly reduced facility cost compared to a conventional wind power generator having a large rotary blade.
- the sail-shaped thin film may be formed of a tent material such as a linen or cotton cloth, or a synthetic fiber such as Tetron, or a polymer fusion material may be used.
- each of the blades 2130 it is possible to deform each of the blades 2130 to have a shape that maximizes the power in the target moving direction.
- Bernoulli's theorem by varying the airflow velocity on both sides of the blade by increasing the gradient on one side of the blade and making it larger relative to the gradient on the other side, from one side of the blade to the opposite side may be configured to generate power.
- each of the plurality of blades may be made of a flexible material, and has a plurality of air pockets, and is configured to selectively change the amount of air filling in a specific air pocket among the plurality of air pockets. Accordingly, it is possible to implement a shape in which the blade has power in a desired direction under a predetermined wind condition.
- An air pump can be used, for example, to change the air fill.
- a blade in the form of a thin film that does not have a separate air pocket can be controlled by a support in the form of a grid that can change the angle in units of segments, and the wind given by changing the amount of rotation in units of each grid It may be configured to deform the blade into a shape that maximizes power in a desired direction of movement under conditions.
- each blade may be performed based on a rotation axis perpendicular to the ground, for example.
- 7 is a cross-sectional view of a blade support according to one side.
- the support of each blade may include an upper support 31 configured to support a sail-shaped thin film and a lower support 32 to which the upper support 31 is rotatably coupled. have.
- the lower support 32 provides a cavity through which the blade rotation shaft 35 coupled to the upper support 31 can pass.
- the blade rotation shaft 35 is connected to the motor shaft 34 to rotate the upper support by rotating based on the rotational force from the motor 33, and to adjust the orientation of the sail-shaped thin film in a desired direction. .
- FIG. 8 is an exemplary view of a highly separated blade according to one side.
- a suitable blade size for maximizing power production efficiency may be a fairly large size, and the direction of the wind may be different depending on the altitude. Therefore, in order to maximize the power in the target movement direction of the blade 30, even when the wind direction is different depending on the altitude, the blade is divided according to the altitude of the first part 37a and the second part 37b.
- each of the plurality of blades 30 includes a first partial blade and a second partial blade separated in the height direction, and the first partial blade and the second partial blade are configured to be rotatable independently of each other, The first partial blade and the second partial blade may be rotated to maximize the power in the target movement direction of the blade 30 based on the information about the direction of the wind at each disposed height.
- Acquisition of position information for determining the target moving direction of the blade, information about the wind direction, etc. can be achieved by employing any of the conventional sensor systems, and the control system for determining and changing the orientation of the blade is also Any of the conventional control systems may be selected.
- the information on the position of each of the plurality of blades in the loop, the position signal receiving device provided in each of the plurality of blades, from at least one of the plurality of position identification signal generating devices provided in the loop may be obtained by receiving a location identification signal of
- location information of each blade may be determined by a positioning system such as GPS.
- the target movement direction according to the position of the blade may be determined according to table information stored in the database, or the computing device may be configured to calculate in real time based on each position and the loop shape.
- the information about the wind direction may be obtained from a wind direction sensor provided in each of the plurality of blades, and accurate information about the wind direction for each blade may be used.
- the control system for performing calculations such as orientation determination may be set to be provided with a separate computing device or processor for each blade, or an integrated control system configured to transmit and receive information to and from each blade so that the integrated control system is It can also be configured to perform control for each blade.
- the wind power generation system 100 may include a plurality of nacelles.
- the nacelle 40 may include a generator having a generator central shaft gear 45-1, and a separate nacelle including an additional generator having a generator central shaft gear 45-2 is further provided.
- a generator central shaft gear 45-1 may be included in the wind power generation system 100.
- a separate nacelle including an additional generator having a generator central shaft gear 45-2 is further provided.
- the generator provided in the nacelle 40 may be configured to have a predetermined target rotation speed. Alternatively, it may be required to adjust the target rotation speed as necessary.
- the plurality of movable bodies 2120 are each movable on the rail 2110 , so that an interval between the movable bodies 2120 may be changed.
- 10 is a top view of the wind power generation system according to one side
- FIG. 11 is a top view of the wind power generation system with adjustable blade spacing.
- the rail may include a straight section 1110 and curved sections 1120 - 1 and 1120 - 2 , and the plurality of blades are curved sections than when positioned in the straight section 1110 .
- the rail may include a straight section 1110 and curved sections 1120 - 1 and 1120 - 2 , and the plurality of blades are curved sections than when positioned in the straight section 1110 .
- the wind power generation system in a situation in which the normal operation of the wind power generation system is not guaranteed, such as the occurrence of a typhoon, measures to protect the blades may be required.
- measures to protect the blades may be required.
- a hangar for the storage of the blades is installed, a fastening between the blades is made, or the protection measures of the blades may be performed in the form that the blades are folded toward the ground.
- the wind power generation system provides a hangar 1430 in which a plurality of blades are stored, a junction 1410 included in the rail, and a movement path from the junction to the hangar. It further includes a containment rail 1420 that is configured to be stored, and the plurality of blades 30 may be configured to be stored in the hangar 1430 via the junction 1410 and the containment rail 1420 .
- each movable body 2120 when the blades 2130 provided in each movable body 2120 are configured to be slidably movable on the rail 2110, the movable body provided with the blade 2130 at a time when protection measures are required ( The 2120 are arranged to be moved from the junction 1410 on the rail 2110 to the containment rail 1420 , and can be slid along the containment rail 1420 to be contained in the hangar 1430 .
- the wind power generation system according to an embodiment of the present invention further includes a hangar 1530 configured to pass through the rail 10 , and the plurality of blades 30 includes the rail 10 . It may be configured to move along and be stored in the hangar 1530 . Also in the embodiment illustrated by FIG. 15 , as in FIG. 14 , the blades 30 may be moved to the hangar 1530 in various ways according to the coupling relationship of the movable body and/or the blade with the rail. In the third embodiment, the plurality of movable bodies 2120 may be configured to move along the rail 2120 and be stored in the hangar.
- FIG. 16 is an exemplary view of a fastening form between blades. As shown in FIG. 16 , a plurality of blades of the blade 1630 - 1 to the blade 1630 - 2 can be coupled to each other when protection measures against typhoons are required.
- each of the plurality of blades may include a fastening means for coupling with an adjacent blade when the distance between the plurality of blades is minimized. That is, through the fastening between adjacent blades, as a result, all of the plurality of blades are combined, thereby improving resistance to typhoons.
- the plurality of blades includes a first blade 1630-1 positioned on the leftmost side and a second blade 1630-2 positioned on the rightmost side when the distance between the plurality of blades is minimized,
- the first blade 1630 - 1 and the second blade 1630 - 2 each have a fastening means, so that the plurality of blades are coupled by the fastening means of the first blade and the fastening means of the second blade are fastened to each other.
- a configuration in which a plurality of blades are coupled through various embodiments is possible.
- each of the plurality of blades may be configured to be foldable toward the ground direction.
- the blades which are normally located in the normal position 1730 and generate power based on the energy of the wind, are folded to the ground adjacent position 1740 at a time when protective measures are required, such as a typhoon risk, to minimize the influence of the wind.
- the wind power generation system according to an aspect of the present invention can achieve improved power generation efficiency and reduced noise generation compared to the conventional large fan type wind power generator.
- a computer fluid dynamics model for the wind power generation system of the experimental example may be implemented under the following design conditions.
- a plurality of blades are sequentially arranged on a rail forming a loop to form driving energy based on wind
- a computational hydrodynamic analysis was used to measure the amount of power generation based on the energy generated by the moving blades of the model in a straight region on the rail, and compared with the efficiency of the conventional wind power generation system.
- a hub (gear) is connected to the rail and configured to transmit torque to the central axis of the generator nacelle.
- the properties of the hub and nacelle were determined by a reference wind turbine of 5 MW NREL ( see https://www.nrel.gov/docs/fy09osti/38060.pdf ).
- Table 1 below shows the calculated output values for each wind direction.
- FIG. 23 shows a comparison result of the output of a conventional wind power generator and a wind power generation system according to an embodiment of the present invention.
- the predicted power output compared to a conventional wind power generator (NREL's EMD turbine installed in California, USA (rotor diameter 77m)) is shown.
- NREL's EMD turbine installed in California, USA (rotor diameter 77m)
- the individual turbines subjected to the tailwind, where the maximum output occurs show similar or higher output compared to the general-purpose wind turbine.
- the pressure loss related to the generation of noise was as small as 65/1/65 of the existing general-purpose turbine (260 Pa, based on the maximum pressure loss) (Reference: Li et al., 2020, Renewable Energy).
- the wind power generation system has fewer driving units compared to a conventional wind turbine, and has a simple structure, so that when a larger-scale turbine is used, additional output improvement can be expected.
- the pressure loss directly related to the noise of wind power generation is 1/65 (based on the maximum pressure loss) compared to the existing wind turbines of the same size, indicating that it has the strength of low noise operation.
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Abstract
Description
| 풍향 | X 방향 힘 | Y 방향 힘 | 추산된 전력 | |
| 0° - headwind | 338.0 KN | -48.9 KN | -87.7 KW | |
| 45° - headwind | 245.3 KN | 136.8 KN | 245 KW | |
| 90° - crosswind | 57.9 KN | 166.2 KN | 298.1 KW | |
| 180° - tailwind | 전 | -23.9 KN | 1183 KN | 2122 KW |
| 후 | -13.1 KN | 725 KN | 1300 KW |
Claims (20)
- 풍력 발전 시스템으로서,수평 방향의 이동 경로를 제공하는 레일;상기 레일의 이동 경로에 따라 슬라이딩 되어 이동하도록 구성된 이동체;상기 이동체에 설치되어 바람에 따른 에너지를 기반으로 상기 이동체의 이동을 위한 동력을 제공하는 복수의 블레이드; 및상기 이동체 및 블레이드 중 적어도 하나의 이동에 연동하여 회전함으로써 전력을 생성하는 발전기가 구비된 나셀 (nacelle) 을 포함하는, 풍력 발전 시스템.
- 제 1 항에 있어서,상기 발전기는 발전기 중심 회전 축 및 상기 발전기 중심 회전 축에 결합된 원형 톱니 기어를 구비하고,상기 이동체 및 블레이드 중 적어도 하나의 상기 발전기를 대향하는 면에는 복수 개의 톱니 산이 구비되며,상기 이동체 및 블레이드 중 적어도 하나의 이동에 따라 상기 톱니 산이 상기 원형 톱니 기어와 맞물려 이동함에 따라 상기 발전기 중심 회전 축이 회전하도록 구성되는, 풍력 발전 시스템.
- 제 1 항에 있어서,상기 풍력 발전 시스템은, 상기 이동체 및 블레이드 중 적어도 하나의 이동에 연동하여 회전하는 동력 전달 샤프트를 더 포함하고,상기 동력 전달 샤프트에 구비된 회전 풀리와 상기 발전기의 발전기 중심 회전 축에 구비된 회전 풀리가 회전 벨트에 따라 회전 연동하도록 구성되는, 풍력 발전 시스템.
- 제 1 항에 있어서,상기 레일은 루프를 형성하고,상기 복수의 블레이드들 각각은, 상기 루프 내에서의 상기 복수의 블레이드들 각각의 위치에 따라 결정되는 목표 이동 방향에 관한 정보 및 바람의 방향에 관한 정보를 기반으로, 상기 목표 이동 방향으로의 동력을 최대화시키도록 적응적으로 회전하도록 구성되는, 풍력 발전 시스템.
- 제 4 항에 있어서,상기 복수의 블레이드들 각각의 회전은,지면에 수직인 회전축을 기준으로 수행되는, 풍력 발전 시스템.
- 제 1 항에 있어서,상기 레일은 루프를 형성하고,상기 복수의 블레이드들 각각은, 가요성을 가지는 소재로 구성되어 복수의 에어 포켓을 구비하며, 상기 루프 내에서의 상기 복수의 블레이드들 각각의 위치에 따라 결정되는 목표 이동 방향에 관한 정보 및 바람의 방향에 관한 정보를 기반으로, 상기 복수의 에어 포켓 중 적어도 하나의 에어 포켓에 대한 공기 충전량을 제어함으로써 상기 목표 이동 방향으로의 동력을 최대화시키는 형상으로 변형되도록 구성되는, 풍력 발전 시스템.
- 제 4 항 또는 제 6 항에 있어서,상기 루프 내에서의 상기 복수의 블레이드들 각각의 위치에 대한 정보는,상기 복수의 블레이드들 각각에 구비되는 위치 신호 수신 장치가, 상기 루프 내에 복수 개 구비되는 위치 식별 신호 발생 장치 중 적어도 하나로부터의 위치 식별 신호를 수신하는 것에 의해 획득되는, 풍력 발전 시스템.
- 제 4 항 또는 제 6 항에 있어서,상기 바람의 방향에 관한 정보는,상기 복수의 블레이드들 각각에 구비되는 풍향 센서로부터 획득되는, 풍력 발전 시스템.
- 제 4 항에 있어서,상기 복수의 블레이드들 각각은,상기 목표 이동 방향이 바람의 방향과 일치한다는 결정에 응답하여, 풍하 범주를 수행하는 방향으로 회전하도록 구성되고,상기 목표 이동 방향이 바람의 방향과 반대라는 결정에 응답하여, 풍상 범주를 수행하는 방향으로 회전하도록 구성되는, 풍력 발전 시스템.
- 제 4 항에 있어서,상기 복수의 블레이드들 각각은, 높이 방향으로 구분된 제 1 부분 블레이드 및 제 2 부분 블레이드를 구비하고,상기 제 1 부분 블레이드 및 제 2 부분 블레이드는 서로 독립적으로 회전 가능하도록 구성되며,상기 제 1 부분 블레이드 및 제 2 부분 블레이드가 각각 배치된 높이에서의 바람의 방향에 관한 정보를 기반으로 각각 상기 목표 이동 방향으로의 동력을 최대화시키도록 적응적으로 회전하도록 구성되는, 풍력 발전 시스템.
- 제 4 항에 있어서,상기 레일이 형성하는 루프는,제 1 방향의 이동 경로를 제공하는 제 1 부분;상기 제 1 방향과 반대인 제 2 방향의 이동 경로를 제공하는 제 2 부분;상기 제 1 부분으로부터 상기 제 2 부분으로의 이동 경로를 제공하는 제 1 조인트 부분; 및상기 제 2 부분으로부터 상기 제 1 부분으로의 이동 경로를 제공하는 제 2 조인트 부분을 포함하는, 풍력 발전 시스템.
- 제 4 항에 있어서,상기 풍력 발전 시스템은, 상기 루프의 내부에 형성되어 상기 루프보다 더 짧은 이동 경로를 제공하는 내부 루프를 더 포함하고,상기 발전기는, 미리 결정된 목표 회전 속도를 가지도록 구성되며, 풍속에 관한 정보를 기반으로, 상기 목표 회전 속도에 더 가까운 회전 속도를 달성하도록 상기 루프 및 상기 내부 루프 중 어느 하나의 이동체 및 블레이드 중 적어도 하나의 이동에 연동하여 회전하도록 구성되는, 풍력 발전 시스템.
- 제 12 항에 있어서,상기 풍속에 관한 정보는, 풍속 센서로부터 획득되는, 풍력 발전 시스템.
- 제 1 항에 있어서,상기 복수의 블레이드들 각각은,상기 이동체에 대한 설치 위치가 변경 가능하도록 구성되는, 풍력 발전 시스템.
- 제 14 항에 있어서,상기 레일은 직선 구간 및 곡선 구간을 포함하고,상기 복수의 블레이드들은, 상기 직선 구간에 위치할 때보다 상기 곡선 구간에 위치할 때 더 좁은 간격으로 배치되는, 풍력 발전 시스템.
- 제 14 항에 있어서,상기 풍력 발전 시스템은,상기 복수의 블레이드들이 격납되는 격납고;상기 레일에 포함되는 분기점; 및상기 분기점으로부터 상기 격납고 까지의 이동 경로를 제공하는 격납 레일을 더 포함하고,상기 복수의 블레이드들은 상기 분기점 및 격납 레일을 경유하여 상기 격납고에 격납되도록 구성되는, 풍력 발전 시스템.
- 제 14 항에 있어서,상기 풍력 발전 시스템은,상기 레일이 관통하도록 구성된 격납고를 더 포함하고,상기 복수의 블레이드들은 상기 레일을 따라 이동하여 상기 격납고에 격납되도록 구성되는, 풍력 발전 시스템.
- 제 14 항에 있어서,상기 복수의 블레이드들 각각은, 상기 이동체에 대한 설치 위치 변경을 통해 상기 복수의 블레이드들의 간격이 최소화되었을 때 인접하는 블레이드와 결합되도록 하는 체결 수단을 포함하는, 풍력 발전 시스템.
- 제 14 항에 있어서,상기 복수의 블레이드들은, 상기 이동체에 대한 설치 위치 변경을 통해 상기 복수의 블레이드들의 간격이 최소화되었을 때 가장 좌측에 위치하는 제 1 블레이드와 가장 우측에 위치하는 제 2 블레이드를 포함하고,상기 제 1 블레이드 및 상기 제 2 블레이드는 각각 체결 수단을 구비하며,상기 제 1 블레이드의 체결 수단 및 상기 제 2 블레이드의 체결 수단이 상호 체결되는 것에 의해 상기 복수의 블레이드들이 결합되도록 구성되는, 풍력 발전 시스템.
- 제 1 항에 있어서,상기 복수의 블레이드들 각각은, 지면 방향을 향해 폴딩 가능하도록 구성되는, 풍력 발전 시스템.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US17/779,574 US11965481B2 (en) | 2019-11-26 | 2020-05-26 | Wind power system |
| EP20893726.8A EP4067645A4 (en) | 2019-11-26 | 2020-10-30 | Wind power system |
| CN202080082554.4A CN114746644B (zh) | 2019-11-26 | 2020-10-30 | 风力发电系统 |
| JP2022530979A JP7377975B2 (ja) | 2019-11-26 | 2020-10-30 | 風力発電システム |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20190152863 | 2019-11-26 | ||
| KR10-2019-0152863 | 2019-11-26 | ||
| KR10-2020-0045177 | 2020-04-14 | ||
| KR1020200045176A KR102336867B1 (ko) | 2019-11-26 | 2020-04-14 | 풍력 발전 시스템 |
| KR10-2020-0045176 | 2020-04-14 | ||
| KR1020200045177A KR102336868B1 (ko) | 2019-11-26 | 2020-04-14 | 풍력 발전 시스템 |
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| Publication Number | Publication Date |
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| WO2021107424A2 true WO2021107424A2 (ko) | 2021-06-03 |
| WO2021107424A3 WO2021107424A3 (ko) | 2021-07-22 |
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| US (1) | US11965481B2 (ko) |
| EP (1) | EP4067645A4 (ko) |
| JP (1) | JP7377975B2 (ko) |
| CN (1) | CN114746644B (ko) |
| WO (1) | WO2021107424A2 (ko) |
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| CN116928027B (zh) * | 2023-07-27 | 2025-11-14 | 北京龙波之光新能源科技有限公司 | 一种双轴斜塔式链传动风力发电装置 |
Family Cites Families (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2297333A1 (fr) * | 1975-01-08 | 1976-08-06 | Berges Robert | Production de courant electrique par eolienne a translation horizontale |
| JPS58120880U (ja) | 1982-02-12 | 1983-08-17 | 株式会社日立製作所 | 格納式風力発電装置 |
| US4589344A (en) | 1982-12-27 | 1986-05-20 | Davison Fred E | Monorail conveyance system for wind or water powered generator apparatus |
| EP0139918A3 (de) * | 1983-08-25 | 1986-01-02 | Mtu Motoren- Und Turbinen-Union MàNchen Gmbh | Strömungsmaschine, insbesondere gasbeaufschlagte Kraftmaschinen |
| US4756666A (en) | 1984-07-19 | 1988-07-12 | Labrador Gaudencio A | United sail windmill |
| KR100455087B1 (ko) | 2001-10-19 | 2004-11-06 | 이구식 | 풍력발전장치 |
| JP2003206847A (ja) | 2002-01-11 | 2003-07-25 | Mitsubishi Heavy Ind Ltd | 翼長可変翼を備えた風車 |
| EP1331391A1 (en) | 2002-01-28 | 2003-07-30 | Koo Shik Lee | Wind power generating system |
| US6672522B2 (en) * | 2002-02-28 | 2004-01-06 | Koo Shik Lee | Wind power generating system |
| JP4134582B2 (ja) * | 2002-03-20 | 2008-08-20 | 株式会社デンソー | 風力発電装置 |
| JP2006052669A (ja) * | 2004-08-11 | 2006-02-23 | Rikio Arai | 風力発電装置 |
| JP4461078B2 (ja) * | 2005-07-27 | 2010-05-12 | 三菱重工業株式会社 | 風力発電装置 |
| JP4873541B2 (ja) * | 2006-04-14 | 2012-02-08 | 株式会社テクノ菱和 | 人工気流を利用した風力発電装置 |
| US7453166B2 (en) * | 2006-06-06 | 2008-11-18 | Oceana Energy Company | System for generating electricity from fluid currents |
| JP2008075486A (ja) | 2006-09-20 | 2008-04-03 | Nova Kenkyusho:Kk | 風力走行体 |
| US8759997B2 (en) * | 2008-02-19 | 2014-06-24 | Jeffrey Ryan Gilbert | Energy recovery system for exhaust energy capture and electrical generation with generator built into fan |
| KR101635883B1 (ko) * | 2009-02-03 | 2016-07-20 | 엘지전자 주식회사 | 하향링크 참조 신호 송수신 기법 |
| US8618682B2 (en) | 2009-03-03 | 2013-12-31 | EverLift Wind Technology, Inc. | Looped airfoil wind turbine |
| WO2011087844A2 (en) * | 2009-12-22 | 2011-07-21 | Areion Corp. | Energy generation system and related methods |
| JP5486122B1 (ja) | 2013-08-21 | 2014-05-07 | 貞治 清原 | 風力発電装置 |
| JP2015052316A (ja) * | 2013-09-05 | 2015-03-19 | 有限会社大丸サービス | 台風時、安全格納庫付風車 |
| CN103790775B (zh) * | 2014-02-24 | 2016-05-18 | 严强 | 回旋体风力发电系统及其发电方法 |
| US9394883B2 (en) * | 2014-02-24 | 2016-07-19 | Qiang YAN | Circuit wind power system and method for generating electricity using the same |
| EP2910775B1 (en) | 2014-02-24 | 2018-02-21 | Qiang Yan | A wind power electricity generation system and method thereof |
| CH709743A2 (de) * | 2014-06-06 | 2015-12-15 | Agile Wind Power Ag | Vertikale Windkraftanlage sowie Verfahren zum Betrieb einer solchen Anlage. |
| CN104500332B (zh) * | 2014-11-30 | 2017-07-28 | 特木尔 | 广告牌式风帆式轨道式风动装置 |
| ES2586104B1 (es) * | 2015-03-10 | 2017-07-25 | Bound 4 Blue, S.L. | Sistema para la producción de hidrógeno a partir del agua marina |
| US9897071B2 (en) | 2015-04-02 | 2018-02-20 | Landers Energy, Inc. | Wind and water power generation system with multi-stage linear generators |
| JP6756489B2 (ja) | 2016-02-17 | 2020-09-16 | 株式会社日立製作所 | 風力発電装置の制御方法 |
| RU2665847C1 (ru) | 2017-05-22 | 2018-09-04 | Вячеслав Антонович Якимчук | Модуль преобразования энергии ветра |
-
2020
- 2020-05-26 US US17/779,574 patent/US11965481B2/en active Active
- 2020-10-30 WO PCT/KR2020/015025 patent/WO2021107424A2/ko not_active Ceased
- 2020-10-30 JP JP2022530979A patent/JP7377975B2/ja active Active
- 2020-10-30 EP EP20893726.8A patent/EP4067645A4/en active Pending
- 2020-10-30 CN CN202080082554.4A patent/CN114746644B/zh active Active
Non-Patent Citations (1)
| Title |
|---|
| LI ET AL., RENEWABLE ENERGY, 2020 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP7377975B2 (ja) | 2023-11-10 |
| US20220412304A1 (en) | 2022-12-29 |
| CN114746644A (zh) | 2022-07-12 |
| EP4067645A4 (en) | 2023-11-29 |
| WO2021107424A3 (ko) | 2021-07-22 |
| JP2023504402A (ja) | 2023-02-03 |
| US11965481B2 (en) | 2024-04-23 |
| CN114746644B (zh) | 2025-09-23 |
| EP4067645A2 (en) | 2022-10-05 |
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