WO2012009478A1 - Système hydraulique de stockage d'énergie éolienne et de génération d'énergie électrique - Google Patents

Système hydraulique de stockage d'énergie éolienne et de génération d'énergie électrique Download PDF

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Publication number
WO2012009478A1
WO2012009478A1 PCT/US2011/043916 US2011043916W WO2012009478A1 WO 2012009478 A1 WO2012009478 A1 WO 2012009478A1 US 2011043916 W US2011043916 W US 2011043916W WO 2012009478 A1 WO2012009478 A1 WO 2012009478A1
Authority
WO
WIPO (PCT)
Prior art keywords
generation system
electrical energy
power storage
energy generation
wind power
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
Application number
PCT/US2011/043916
Other languages
English (en)
Inventor
Jeffrey Brooks
Gregory Johnson
Douglas Courter
Keith Bratten
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NATURE'S ENERGY BANC
Original Assignee
NATURE'S ENERGY BANC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NATURE'S ENERGY BANC filed Critical NATURE'S ENERGY BANC
Publication of WO2012009478A1 publication Critical patent/WO2012009478A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20—Wind motors characterised by the driven apparatus
    • F03D9/28—Wind motors characterised by the driven apparatus the apparatus being a pump or a compressor
    • 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
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/10—Combinations of wind motors with apparatus storing energy
    • F03D9/17—Combinations of wind motors with apparatus storing energy storing energy in pressurised fluids
    • 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
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20—Wind motors characterised by the driven apparatus
    • F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • 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
    • F05B2260/00—Function
    • F05B2260/40—Transmission of power
    • F05B2260/406—Transmission of power through hydraulic systems
    • 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
    • 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
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
    • 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
    • Y02E70/00—Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00—Climate change mitigation technologies for sector-wide applications
    • Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier

Definitions

  • a system is disclosed to harness the kinetic energy of the wind by use of wind turbines attached to a closed loop hydraulic storage system.
  • alternator/generator through a speed increasing transmission. Because a wind turbine may turn up to about 60 rpm in a steady wind of 20 mph, but typical generators requires a constant input shaft speed of about 1200 to 1800 rpm, depending on the type of generator, to produce quality power. Accordingly, it has been known to provide variable speed generators.
  • variable speed generator the power output of a variable speed generator must be conditioned before it can be fed into a power grid.
  • FIG. 1 is a schematic of an exemplary wind turbine hydraulic power generation system
  • FIG. 2 is a schematic of a hydraulic system control for use in a wind turbine hydraulic power generation system of FIG. 1;
  • FIG. 3 is a schematic of an exemplary wind turbine integrated pole and tank design.
  • FIG. 1 is a schematic of an exemplary wind turbine hydraulic power generation system 10.
  • System 10 includes at least one wind turbine 12 that is operatively connected to a hydraulic pump 14.
  • a plurality of wind turbines 12 are provided, with each wind turbine 12 being provided with a hydraulic pump 14.
  • Hydraulic pump 14 is operatively connected to a pressurized holding tank 16.
  • a hydraulic motor 18 is operatively connected to the pressurized holding tank 16.
  • a power generator 20 is connected to hydraulic motor 18.
  • a non-pressurized return tank 22 is also included.
  • system 10 includes a plurality of wind turbines 12 that are mounted on shafts 24, and each shaft is connected to an individual hydraulic pump 14. As wind causes vanes 26 of wind turbines 12 to turn, this action causes shafts 24 to rotate. The shaft rotation turns hydraulic pumps 14 resulting in delivery of pressurized fluid to holding tank 16.
  • Pressurized holding tank 16 contains compressed air and hydraulic fluid.
  • pressurized holding tank utilizes water with a biodegradable glycol as a hydraulic fluid.
  • system 10 may further comprise a UV light to control bacterial growth within tanks 16 and 22.
  • Pressurizing holding tank 16 is configured to release the collected pressure generated by hydraulic pumps 14 at a steady rate to hydraulic motor 18. Because the pressure is released from holding tank 16 at a steady state, variations of wind speed have little, to any, effect on power generation. Hydraulic motor 18, in turn, drives an electrical power generator 20. Power generator 20 provides an electrical output which can then be processed for connection to any suitable power grid. Unpressurized fluid is then returned to pumps 14 via suitable conduits 28 to complete a closed circuit.
  • a pressurized portion of the fluid loop 50 in system 10 may be seen, including an exemplary arrangement of flow control logic. More specifically, to operate a 1 kW hydraulic motor 18, pumps 14 direct compressed air to pressurized holding tank 16 along a fluid line 52. In one exemplary arrangement, pumps 14 direct the compressed air along a common fluid line 52, as shown. There are two exit ports 54, 56 from pressurized holding tank 16. The exit ports 54, 56 are fluidly connected to a flow control regulator 58, which, in turn, is connected to motor 18. [0019] Disposed within the flow paths of the exit ports are check valves 60. In the exemplary arrangement disclosed, check valves 60 are 100 psi pilot operated check valves designed to permit pressurized fluid to operate motor 18. However, to prevent a blow out, fluid loop 50 may also include 145 psi Pilot operated check valves 62. A 5 psi check valve 64 may also be provided to prevent reverse blow back in fluid loop 50.
  • System 10 advantageously requires low maintenance and allows storage of energy for selective and steady, controlled release of energy, regardless of wind speeds. Further, unlike systems that employ air compressors, system 10 is quiet.
  • FIG. 3 An alternative exemplary arrangement of a storage and generation system 100 is shown in FIG. 3.
  • Storage and generation system 100 is disposed in a stacked manner, with a pressurized holding tank 102 being disposed beneath a non pressurized return tank 104.
  • tanks 102 and 104 may be concealed within a hollow tube or tower member.
  • Wind turbines 106 are arranged along a common axial shaft 108 and shaft is operatively connected to a hydraulic pump (not shown) which is fluidly connected to pressurized holding tank 102. Similar to the previously described embodiment, a hydraulic motor 110 receives pressurized fluid from pressurized holding tank 102 at a predetermined and controlled rate. Hydraulic motor 110 is operatively connected to an electrical power generator 112. Unpressurized fluid is then returned to non-pressurized return tank 144.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Wind Motors (AREA)

Abstract

L'invention concerne un système de stockage d'énergie éolienne et de génération d'énergie électrique. Le système comprend au moins une éolienne; une pompe hydraulique reliée fonctionnellement à chaque éolienne; un réservoir de maintien sous pression; un moteur hydraulique; un générateur électrique; et un réservoir de retour qui n'est pas sous pression.
PCT/US2011/043916 2010-07-13 2011-07-13 Système hydraulique de stockage d'énergie éolienne et de génération d'énergie électrique Ceased WO2012009478A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US36394310P 2010-07-13 2010-07-13
US61/363,943 2010-07-13

Publications (1)

Publication Number Publication Date
WO2012009478A1 true WO2012009478A1 (fr) 2012-01-19

Family

ID=45469796

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2011/043916 Ceased WO2012009478A1 (fr) 2010-07-13 2011-07-13 Système hydraulique de stockage d'énergie éolienne et de génération d'énergie électrique

Country Status (1)

Country Link
WO (1) WO2012009478A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112610419A (zh) * 2020-12-16 2021-04-06 南京工程学院 一种基于plc和mscⅱ控制的液压型风电机组

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070138798A1 (en) * 2005-07-27 2007-06-21 Mcclintic Frank J Methods and apparatus for advanced wind turbine design
US20070187617A1 (en) * 2006-02-14 2007-08-16 Hosung Kong Method and device for monitoring oil oxidation in real time by measuring fluorescence
US20090107567A1 (en) * 2007-10-26 2009-04-30 Crary Peter B Combination water tower and electrical wind turbine generator
US20100104439A1 (en) * 2008-10-29 2010-04-29 Mitsubishi Heavy Industries, Ltd. Hydraulic system and wind turbine generator provided therewith

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070138798A1 (en) * 2005-07-27 2007-06-21 Mcclintic Frank J Methods and apparatus for advanced wind turbine design
US20070187617A1 (en) * 2006-02-14 2007-08-16 Hosung Kong Method and device for monitoring oil oxidation in real time by measuring fluorescence
US20090107567A1 (en) * 2007-10-26 2009-04-30 Crary Peter B Combination water tower and electrical wind turbine generator
US20100104439A1 (en) * 2008-10-29 2010-04-29 Mitsubishi Heavy Industries, Ltd. Hydraulic system and wind turbine generator provided therewith

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112610419A (zh) * 2020-12-16 2021-04-06 南京工程学院 一种基于plc和mscⅱ控制的液压型风电机组

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