WO2010142263A2 - Éolienne comportant un processus de recyclage d'un fluide de refroidissement - Google Patents

Éolienne comportant un processus de recyclage d'un fluide de refroidissement Download PDF

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Publication number
WO2010142263A2
WO2010142263A2 PCT/DE2010/000574 DE2010000574W WO2010142263A2 WO 2010142263 A2 WO2010142263 A2 WO 2010142263A2 DE 2010000574 W DE2010000574 W DE 2010000574W WO 2010142263 A2 WO2010142263 A2 WO 2010142263A2
Authority
WO
WIPO (PCT)
Prior art keywords
wind turbine
tower
components
exhaust air
space
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/DE2010/000574
Other languages
German (de)
English (en)
Other versions
WO2010142263A3 (fr
Inventor
Peter Krämer
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.)
Aerodyn Engineering GmbH
Original Assignee
Aerodyn Engineering GmbH
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 Aerodyn Engineering GmbH filed Critical Aerodyn Engineering GmbH
Priority to CA2763082A priority Critical patent/CA2763082A1/fr
Priority to CN201080026150.XA priority patent/CN102483042B/zh
Publication of WO2010142263A2 publication Critical patent/WO2010142263A2/fr
Publication of WO2010142263A3 publication Critical patent/WO2010142263A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/60—Cooling or heating of wind motors
    • 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
    • F05B2260/20—Heat transfer, e.g. cooling
    • F05B2260/205—Cooling fluid recirculation, i.e. after having cooled one or more components the cooling fluid is recovered and used elsewhere for other purposes
    • 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 invention relates to a wind energy plant comprising a tower, a nacelle arranged on the tower, an energy conversion unit arranged in the nacelle, a rotor connected to the energy conversion unit, which has at least one rotor blade connected to a hub, and a space arranged externally in the wind energy plant Fresh air supplying and exhaust air to the outside laxative device for cooling arranged in the space wind turbine components.
  • the removal of the power loss occurring in the form of heat takes place regularly by a guided in the wind turbine airflow or by air cooled in a heat exchanger cooling liquids, which are brought to the corresponding heat loss components of the wind turbine. It takes from the outside into the wind turbine fresh air guided the heat loss directly to the heat loss components or to the heat exchanger elements of a cooling unit and is discharged as a warm, the power loss of the components or the heat exchanger laxative exhaust air from the wind turbine.
  • the refrigeration-sensitive and the heat-sensitive components are regularly arranged together next to one another in the same space or compartment of the wind turbine, e.g. in the tower, in the nacelle or in the hub, and at a reduced by a reduced fan speed flow velocity of the cold air through the space in the wind turbine sufficient dissipation of the heat loss of heat-sensitive components can not be adequately ensured.
  • the object of the invention is therefore to provide a wind turbine, which can be controlled by simple means, especially in cold climates so that sufficient cooling heat-sensitive wind turbine components without lowering the room temperature is ensured below critical for cold-sensitive wind turbine components temperature values.
  • the basic idea of the invention is to return a partial flow of the fresh air heated by the heat emitted by the components of the wind energy plant, which is usually completely removed as exhaust air from the wind energy plant, into the space of the wind energy plant so that the inflow of cold fresh air exceeds the proportion in determines the space recycled exhaust air, fresh air and exhaust air mixed together and a critical for the operation of the wind turbine low temperature can be avoided while still ensuring adequate cooling.
  • the invention will be explained in more detail with reference to an exemplary embodiment illustrated in the drawings and particularly preferred. Showing:
  • Fig. 1 is a perspective view of a wind turbine according to the invention.
  • Fig. 2 is a schematic representation of the air circulation inside the
  • FIG. 1 shows a perspective view of a particularly preferred embodiment
  • Wind energy plant 10 has a tower 20, a gondola 30 arranged on the tower 20 and an energy conversion unit (not visible) arranged in the gondola 30.
  • the energy conversion unit is connected to a rotor, which in the example shown has three rotor blades 50a, 50b, 50c connected to a hub 40, it being irrelevant to the execution of the invention how many rotor blades are actually provided.
  • the wind turbine 10 For cooling the components arranged in one of the rooms set up in the wind turbine 10, e.g. Transmission, bearings, hydraulic systems, rectifiers, transformers, heat exchangers, etc., the wind turbine 10 further has a space, z. As the gondola 30, outside fresh air supply and exhaust to the outside laxative device, which dissipates the heat loss of the arranged in the nacelle 30 wind turbine components 60. Alternatively or additionally, the wind turbine 10 further cooling devices for the same room or other rooms, eg. As the tower 20 or the hub 40, have. The space may occupy only a portion of the tower 20, the nacelle 30 or the hub 40.
  • the outside of the room supplying fresh air and exhaust air to the outside laxative device may be formed as a simple inlet and outlet opening (s), wherein in addition a fan and various filters may be provided.
  • the air flows of fresh air and exhaust air as shown schematically in Fig. 2, for example, performed as follows.
  • One in the space 100 of the wind turbine 10, such as tower 20, nacelle 30 or hub 40, arranged component 60, such as the transmission, the generator, a hydraulic actuator or a heat exchanger, is supplied from the outside of the wind turbine 10 from the outside cool fresh air.
  • the passing past the component 60 or the component 60 flowing through fresh air absorbs the output from the component 60 heat loss and is discharged from the interior 100 of the wind turbine 10 as exhaust air to the outside environment.
  • an actuator 70 is now provided which is operated manually or automatically and which is a partial flow of the exhaust air, i. a partial flow of the heat loss of the component 60 with leading air, back into the space 100 of the wind turbine 10.
  • the actuator 70 is preferably set up so that the (volume) proportion of the partial flow can be determined on the total exhaust air, wherein the proportion of the partial flow may be 100%, for example when starting the system at low outdoor temperatures. Circulating the exhaust air in the space 100 of the wind turbine 10 prevents at a time when there is no need for cooling, the entry of fresh air into the room 100. In further operation and increasing heating of the components, the proportion of
  • Partial flow is reduced to a lower value than 100% of the total exhaust air, so that a portion of the exhaust air is discharged to the outside and cold fresh air in the room 100 is tracked by the suction effect when removing the exhaust air.
  • warm exhaust air and cold entering the room 100 fresh air mixed together and leads with appropriate control of the proportion of recirculated exhaust air partial flow or the amount of fresh air replenished thereby to a favorable for the operation of the system room temperature.
  • a control acting on the actuator 70 which controls the proportion of the partial flow to the total exhaust air in dependence on various parameters.
  • the controller feeds the partial flow of exhaust air or - when several actuators 70 - a plurality of partial exhaust air streams to the respective components 60, so that their temperature does not fall below a predetermined limit.
  • the temperature limit value can be determined individually for each individual component, for example, or for a plurality of components 60 arranged in an inner space 100 that highest temperature value may not be exceeded for a specific component 60 arranged therein.
  • a table of the components 60 can be stored in the control, in which the minimum and / or the maximum permissible temperature value is arranged hierarchically, so that that component 60 whose minimum or maximum permissible temperature value is exceeded or exceeded, the proportion of the partial flow of Exhaust air determined on the total volume of exhaust air.
  • the actuator 70 may be formed in the simplest case as an element that determines the cross section of the exhaust air provided for the outlet (and to avoid excessive overpressure in the wind turbine 10 and the intended for the fresh air inlet). However, the actuator 70 can also be set up such that a partial volume of the exhaust air can be divided into different partial flows by means of corresponding lines and can be sent to different components 60 of the wind turbine 10 in different proportions.
  • Advantage of the invention is that wind turbines can be operated even in extremely cold climates, without it - in addition to the already required as absolutely necessary heating elements - additional structures for the heating of components 60 of the wind turbine 10 requires the drop in temperature To prevent components 60 from operating below a critical limit.
  • the Invention in a simple manner a uniform temperature of all critical areas within the system.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (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 une éolienne (10) dotée d'un mât (20), d'une gondole (30) disposée sur le mât (20), d'une unité de conversion d'énergie disposée dans la nacelle (30), d'un rotor relié à l'unité de conversion d'énergie et présentant au moins une pale (50a, 50b, 50c) de rotor reliée à un moyeu (40), et d'un dispositif acheminant de l'air frais venant de l'extérieur vers une chambre (100) se trouvant dans l'éolienne (10) et évacuant l'air vicié vers l'extérieur afin de refroidir des composants (60) de l'éolienne disposés dans la chambre (100), caractérisée en ce qu'un élément de régulation (70) recycle dans la chambre (100) un flux partiel de l'air vicié.
PCT/DE2010/000574 2009-06-11 2010-05-26 Éolienne comportant un processus de recyclage d'un fluide de refroidissement Ceased WO2010142263A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA2763082A CA2763082A1 (fr) 2009-06-11 2010-05-26 Eolienne comportant un processus de recyclage d'un fluide de refroidissement
CN201080026150.XA CN102483042B (zh) 2009-06-11 2010-05-26 具有冷却流再循环特征的风力涡轮机

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009025118.9 2009-06-11
DE102009025118A DE102009025118A1 (de) 2009-06-11 2009-06-11 Windenergieanlage mit Kühlstromrückführung

Publications (2)

Publication Number Publication Date
WO2010142263A2 true WO2010142263A2 (fr) 2010-12-16
WO2010142263A3 WO2010142263A3 (fr) 2011-07-21

Family

ID=43069856

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2010/000574 Ceased WO2010142263A2 (fr) 2009-06-11 2010-05-26 Éolienne comportant un processus de recyclage d'un fluide de refroidissement

Country Status (4)

Country Link
CN (1) CN102483042B (fr)
CA (1) CA2763082A1 (fr)
DE (1) DE102009025118A1 (fr)
WO (1) WO2010142263A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2568169A1 (fr) 2011-09-09 2013-03-13 Areva Wind GmbH Éolienne dotée d'un système de climatisation en forme de tour utilisant de l'air extérieur

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102705179B (zh) * 2012-06-08 2014-05-14 华锐风电科技(江苏)有限公司 微正压发生装置
TWI486523B (zh) 2012-11-30 2015-06-01 Ind Tech Res Inst 應用於一風力發電機之輪轂冷卻裝置
CN104712503A (zh) * 2013-12-16 2015-06-17 上海电气风电设备有限公司 一种海上风力发电机组机舱冷却系统
CN107420273B (zh) * 2017-08-14 2020-09-25 山东中车风电有限公司 海上风力发电机组环境控制机构、系统及应用

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19947915A1 (de) * 1999-10-06 2001-04-12 Abb Research Ltd Kühlsystem für Baugruppen in einer Windkraftanlage
CN1166858C (zh) * 1999-11-29 2004-09-15 杨建新 一种多叶片风轮机驱动的风力发电机系统
DE202004007386U1 (de) * 2004-05-08 2004-09-02 Gebrüder Trox GmbH Lüftungssystem
DE102004061391B4 (de) * 2004-12-21 2010-11-11 Repower Systems Ag Temperaturregelung in einer Windenergieanlage
DE202006003069U1 (de) * 2006-02-22 2006-05-11 Hansa Ventilatoren Und Maschinenbau Neumann Gmbh & Co. Kg Klimagerät
JP4994944B2 (ja) * 2007-05-18 2012-08-08 三菱重工業株式会社 風力発電装置
JP4898621B2 (ja) * 2007-10-05 2012-03-21 三菱重工業株式会社 風力発電装置
DE102007049599A1 (de) * 2007-10-15 2009-05-07 Innovative Windpower Ag Temperaturregelung von aneinandergekoppeltem Getriebe und Generator bei einer Windenergieanlage
CN101451506B (zh) * 2007-11-30 2011-07-20 上海电气风电设备有限公司 一种风电冷却系统的防冻结构

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2568169A1 (fr) 2011-09-09 2013-03-13 Areva Wind GmbH Éolienne dotée d'un système de climatisation en forme de tour utilisant de l'air extérieur
WO2013034627A1 (fr) 2011-09-09 2013-03-14 Areva Wind Gmbh Éolienne avec système de climatisation du mât utilisant l'air extérieur
US10077760B2 (en) 2011-09-09 2018-09-18 Areva Wind Gmbh Wind turbine with tower climatisation system using outside air

Also Published As

Publication number Publication date
CN102483042B (zh) 2014-07-23
DE102009025118A1 (de) 2010-12-16
CN102483042A (zh) 2012-05-30
WO2010142263A3 (fr) 2011-07-21
CA2763082A1 (fr) 2010-12-16

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