WO2009033925A2 - Éolienne comprenant un système d'échangeur thermique - Google Patents
Éolienne comprenant un système d'échangeur thermique Download PDFInfo
- Publication number
- WO2009033925A2 WO2009033925A2 PCT/EP2008/060942 EP2008060942W WO2009033925A2 WO 2009033925 A2 WO2009033925 A2 WO 2009033925A2 EP 2008060942 W EP2008060942 W EP 2008060942W WO 2009033925 A2 WO2009033925 A2 WO 2009033925A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- heat
- unit
- generator
- nacelle
- power plant
- Prior art date
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
- F05B2260/60—Fluid transfer
- F05B2260/64—Aeration, ventilation, dehumidification or moisture removal of closed spaces
-
- 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 turbine with a generator arranged in a nacelle and a rotor hub, wherein the rotor hub has at least one rotor blade, and a heat exchanger system with a heat receiving unit, a heat dissipation unit, a conduit system connecting the two units and a circulating pump. Furthermore, the invention relates to a method for operating such a wind turbine.
- Such energy converters are, for example, generators, the installation of these generators usually taking place at high altitudes (on- and off-shore).
- the power output, in particular the electrical energy of such generators is proportional to the generator size.
- Wind power generators today usually consist of large electric machines, the basic structure of such generators is known.
- the electric machine i.
- the generator consists of two large components, a stator and a rotor.
- the generator is dimensioned according to the wind conditions and the desired performance as an aggregate. This unit is usually very large and heavy. As a result, assembly, maintenance and repair require heavy and expensive equipment, such as load helicopters or load lifting cranes.
- the generator is usually housed in a so-called gondola.
- the size and weight of the gondola which is up to about 100 meters above the ground or the sea level, are limited due to the carrying capacity of currently feasible supporting structures, such as a tower. Nevertheless, the aspiration remains forever larger outputs of a wind turbine.
- the maximum mass of a nacelle at a height of approx. 100 meters is currently limited to approx. 500 tons, taking into account the technical and economic constraints.
- a wind turbine and a method for operating a wind turbine is known, for example, an indirect cooling is provided for the generator.
- the generator releases waste heat to a coolant of a heat exchanger.
- An air stream flows through the heat exchanger and absorbs the waste heat emitted by the generator. Subsequently, the waste heat is released to the environment.
- Both the generator and the heat exchanger are arranged in the nacelle. The flow path of the air flow thus passes through the nacelle, whereby their construction is relatively complex. Furthermore, there is a risk that be entered with the air flow dirt or dust in the nacelle.
- the object of the present invention is to provide a wind turbine with an effective generator cooling, wherein the generator is arranged protected within the nacelle. Furthermore, the object of the invention to provide a method for cooling a generator of such a wind turbine.
- the object is solved by the features of claims 1 and 15. Advantageous developments can be found in the dependent claims.
- the wind turbine according to the invention has one in a
- the rotor hub has at least one rotor blade, wherein generally three rotor blades are arranged on the rotor hub.
- the wind turbine has a heat exchanger system, which has a heat receiving unit, a heat dissipation unit, a line system connecting the two units and a circulation pump.
- the heat-absorbing unit is arranged inside the nacelle in and / or on the generator, and the heat-dissipating unit is arranged outside the nacelle on its surface. Because the heat absorption unit is arranged in and / or on the generator, the heat loss of the generator is directly absorbed and dissipated. It ensures effective heat dissipation.
- the heat-dissipating unit is arranged outside the nacelle on its surface, whereby the waste heat can be discharged directly into the ambient air, but the ambient air or the ambient air flow does not have to enter the nacelle.
- the nacelle can be prepared as before, in which case the heat dissipation unit is to be arranged only on its surface.
- the heat dissipation unit is easily accessible from the outside, for example in the case of a repair.
- a liquid forced cooling of the generator is provided.
- a cooling circuit is formed between the heat-absorbing unit and the heat-dissipating unit, with a liquid, in particular water, being provided as the transfer medium for the waste heat to be transported.
- a liquid in particular water
- other fluid transfer media may also be provided.
- the heat-dissipating unit is arranged outside on the surface of the nacelle and can be acted upon by a cooling air flow.
- the heat-dissipating unit is preferably designed as a liquid-air heat exchanger.
- a useful effect can be achieved.
- the higher the wind speed the higher the cooling capacity of the liquid-air heat exchanger.
- With a high generator output (high wind speed) a high cooling capacity is available.
- low generator power (low wind speed) a low cooling capacity is available.
- the cooling capacity is always adjusted according to the generator power.
- the use of a liquid-to-air heat exchanger can not result in undesired condensation of humidity in the nacelle since the heat exchanger is located outside and not within the nacelle.
- one or more air guide arranged, wherein by means of this air guide the cooling air flow is selectively directed to the heat emitting unit.
- the heat absorption unit is arranged in or on the stator.
- the heat absorption unit is formed by means of liquid-flowed cooling channels, cooling tubes or cooling coils.
- liquid-flowed cooling tubes are in an iron-laminated core or in wicket Lungsnuten the stator arranged.
- the heat absorption unit is formed on an outer side of the stator by means of a coolant jacket through which liquid flows.
- the stator or the generator can have a housing, wherein the heat absorption unit is arranged in the form of cooling tubes or cooling channels in or on the housing.
- Heat absorption unit and heat dissipation unit are connected to each other by means of a conduit system, wherein the conduit system comprises connecting pipes or connecting hoses.
- Connecting hoses offer the advantage that they can be designed to be flexible and thus easy to arrange.
- Connecting pipes on the other hand, are inexpensive to manufacture.
- the transfer medium is moved or circulated or pumped between the heat absorption unit and the heat output unit.
- the circulation pump is integrated directly into the heat dissipation unit.
- a compact component is provided which can be arranged as a unit on the surface of the nacelle.
- the circulation pump is designed to be controllable or controllable, so that the cooling capacity can be regulated via the delivery rate of the circulation pump.
- a control circuit for example, a stator temperature, an outside air temperature or a wind speed can be used. As a result, the thermal cycling of the stator can be reduced and so its life can be increased.
- the loss or waste heat of the generator for heating or heating is available. Heating of certain parts of the wind turbine, such as transmissions, bearings or electronics, may be required or required under cryogenic conditions such as in winter or in cold climates. to be in part.
- the connecting tubes or connecting tubes of the conduit system are designed to be flexible, so that the connecting tubes can be guided past components that are sensitive to cold.
- the generator is preferably designed as a permanent magnet synchronous machine, wherein the generator is designed in particular as a pancake generator with a disk-shaped stator and a disk-shaped rotor.
- the generator can also be designed as any other known electric machine.
- the disk-shaped stator and the disk-shaped rotor are arranged relative to one another such that a disk-like air gap is formed between the stator and the rotor.
- the disk-like structure of the electric machine differs from a cylindrical structure of an electrical machine, that although a rotational movement through the electric machine is still executable, but the magnetic fields on the air gap no radial orientation to the axis of rotation learn, but an alignment parallel to Rotary axis of the electric machine.
- the disk-shaped electric machine designed in this way is comparable to a linear motor which is forced onto a circular path.
- the disk-shaped stator is preferably designed so that individual stator segments are arranged on a disk or a ring.
- Each stator segment in this case has windings, with a primary part that can be used for a linear motor being used in particular for forming the disk-like stator.
- a disk-shaped stator can be easily produced in which primary parts for linear motors are simply used as modules for forming the disk-shaped stator.
- the disk-shaped rotor has, for example, a permanent magnet, which is arranged opposite the stator segments. are net. If, instead of the permanent magnets, the rotor has only means for guiding a magnetic field, this means having a tooth structure, this tooth structure is also positioned on the rotor such that the tooth structure is opposite that part of the stator which is provided for forming the electromagnetic fields , If the rotor has no active means for generating magnetic fields, two means, for example winding and permanent magnets, for generating magnetic fields can be arranged in the stator.
- the disc-shaped design allows a particularly compact design. Furthermore, the use of primary parts of linear motors allows a flexible and modular design of the electric machine. This is possible in particular because such primary parts of electric linear motors are provided for individual mounting or for individual connection.
- the inventive method for operating the described wind power plant with a generator arranged in a nacelle and a rotor hub, wherein the rotor hub has at least one rotor blade, and a heat exchanger system comprises the following method steps:
- the inventive method describes a liquid forced cooling of the generator.
- the heat loss generated by the current flow in the stator of the generator is dissipated via a liquid cooling circuit.
- the fluid transfer medium is water, although all other media which are suitable for cooling can also be used.
- the cooling air flow is directed by means of one or more air guide body to the heat emitting unit, i. the liquid-air heat exchanger, passed.
- the air guide bodies are arranged in the region of the heat dissipation unit, wherein advantageously a plurality of individual air guide bodies are arranged in an annular manner around the nacelle on their surface.
- the air guide bodies are arranged according to the arrangement of the heat exchangers, i. Each heat exchanger is assigned at least one air guide body.
- the power density of the generator at the design point is increased by at least 50% compared with a self-cooled or air-cooled electric machine by using a heat exchanger system.
- a self-cooled or forced-air cooled generator with the same generator construction volume and / or weight, either more electric power can be converted in the generator or the temperature of the generator can be reduced.
- a generator of the wind turbine with heat exchanger system according to the invention can, due to its higher performance Densify more power.
- the deliverable electrical power is usually limited by the insulating materials used in the stator due to the damaging thermal load (essentially ohmic losses).
- the specific thermal load (transmittable power loss or temperature) in the stator is higher in an electric machine with forced liquid cooling than in an electric machine without forced liquid cooling.
- the service life and reliability of a wind power generator in a wind power plant according to the invention is disproportionately increased by the heat exchanger system due to the lower thermal load of the insulation materials used (disproportionately slow aging). Due to the high demands on the availability of a wind turbine over a period of at least 20 years, this can bring a significant economic advantage.
- FIG. 1 shows a detail of a wind power plant according to the invention.
- FIG shows a section of a wind turbine 1 according to the invention, wherein a longitudinal section is shown in particular by the nacelle 2 of the wind turbine 1.
- the wind turbine 1 has the nacelle 2, wherein in the nacelle 2, a generator 3 is arranged.
- the generator 3 may be formed as a conventional electric machine or as a disc rotor machine.
- the rotor hub 4 is arranged.
- At least one rotor blade 5, in the present case however two rotor blades 5, is arranged on the rotor hub 4. net.
- three rotor blades 5, each spaced apart by 120 °, are arranged on the rotor hub 4.
- the rotor hub 4 is arranged on a horizontal axis 14. At the rotor hub 4 concentric with the axis 14 is an approximately circular disc-shaped end plate 12 at.
- the generator 3 is also arranged concentrically on the axis 14.
- the generator 3 has a heat absorption unit 6, the heat absorption unit 6 being arranged in and / or on the stator (not shown) of the generator 3.
- the heat absorption unit 6 is formed by means of built-in heat-conducting devices, such as liquid-flowedderoh- re.
- the heat receiving unit 6 is shown only schematically.
- the heat-emitting unit 7, which is designed in particular as a liquid-air heat exchanger, is arranged.
- the heat-dissipating unit 7 may be arranged annularly on the surface 9 of the nacelle 2 around the nacelle 2. However, the heat-dissipating unit 7 can also be arranged only partially annular around the nacelle 2. Depending on the cooling requirement, the heat-dissipating unit 7 can be arranged in a continuous ring or only in sections.
- Heat absorption unit 6 and heat dissipation unit 7 are connected to the conduit system 8 with each other.
- the resulting in the operation of the generator 3 heat loss, which preferably in the stator, not shown, in particular in the winding heads, is formed is received by means of the heat receiving unit 6 by a fluid transfer medium.
- the fluid transfer medium in particular water, is conducted to the heat-dissipating unit 7, where it is cooled by the cooling-air flow 10.
- a circulating pump which is preferably integrated in the heat-dissipating unit 7, the cooled transfer medium is returned to the generator 3 via the lines 8 pumped. Due to the (not shown) circulation pump, the transfer medium is pumped continuously.
- the air guide 11 can be seen, which direct the cooling air flow 10 to the heat dissipation unit 7.
- one or more air-guiding bodies 11 are arranged around the entire surface 9 of the nacelle 2 or only partially on the surface 9 of the nacelle 2.
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- 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
La présente invention concerne une éolienne (1) comprenant un générateur (3) disposé dans une nacelle (2) et un moyeu de rotor (4) présentant au moins une pale de rotor (5), ainsi qu'un système d'échangeur thermique comprenant une unité de captage de chaleur (6), une unité d'émission de chaleur (7), un système de conduite (8) reliant les deux unités (6, 7) et une pompe de circulation. L'unité de captage de chaleur (6) se trouve dans la nacelle (2) dans et/ou sur le générateur (3) et l'unité d'émission de chaleur (7) se trouve à l'extérieur de la nacelle (2) à sa surface (9). L'invention a également pour objet un procédé pour faire fonctionner une éolienne (1) de ce type.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020117006758A KR20110046560A (ko) | 2008-08-21 | 2009-08-25 | 2-히드록시-이소부티레이트 (2-hiba)의 효소적 생산 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007042338A DE102007042338A1 (de) | 2007-09-06 | 2007-09-06 | Windkraftanlage mit Wärmetauschersystem |
DE102007042338.3 | 2007-09-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2009033925A2 true WO2009033925A2 (fr) | 2009-03-19 |
WO2009033925A3 WO2009033925A3 (fr) | 2009-11-05 |
Family
ID=40339919
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2008/060942 WO2009033925A2 (fr) | 2007-09-06 | 2008-08-21 | Éolienne comprenant un système d'échangeur thermique |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE102007042338A1 (fr) |
WO (1) | WO2009033925A2 (fr) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010085962A3 (fr) * | 2009-01-30 | 2011-04-14 | Vestas Wind Systems A/S | Éolienne présentant un dispositif de refroidissement supérieur |
DE102010000756A1 (de) * | 2010-01-08 | 2011-07-14 | Wobben, Aloys, 26607 | Windenergieanlage |
JP2012007485A (ja) * | 2010-06-22 | 2012-01-12 | Fuji Heavy Ind Ltd | 風力発電装置 |
GB2488394A (en) * | 2011-10-05 | 2012-08-29 | Patrick Vernon Stenfalt | Air driven Tesla turbine with Halbach array generator |
US20130011272A1 (en) * | 2010-03-22 | 2013-01-10 | Vestas Wind Systems A/S | Nacelle for a wind turbine, the nacelle comprising side units |
EP2546515A1 (fr) * | 2011-07-14 | 2013-01-16 | Siemens Aktiengesellschaft | Agencement de refroidissement d'une éolienne |
WO2014023835A1 (fr) * | 2012-08-10 | 2014-02-13 | youWINenergy GmbH | Système de refroidissement intégré pour une nacelle d'une turbine éolienne |
US9039368B2 (en) | 2009-01-30 | 2015-05-26 | Vestas Wind Systems A/S | Wind turbine nacelle with cooler top |
US9039369B2 (en) | 2009-01-30 | 2015-05-26 | Vestas Wind Systems A/S | Wind turbine nacelle with cooler top |
US9657719B2 (en) | 2014-06-16 | 2017-05-23 | General Electric Company | Ventilation arrangement |
US12031519B2 (en) | 2020-02-17 | 2024-07-09 | Vestas Wind Systems A/S | Nacelle for a wind turbine and a method of making a wind turbine |
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US8047774B2 (en) | 2008-09-11 | 2011-11-01 | General Electric Company | System for heating and cooling wind turbine components |
IT1393707B1 (it) | 2009-04-29 | 2012-05-08 | Rolic Invest Sarl | Impianto eolico per la generazione di energia elettrica |
DE102009032880A1 (de) | 2009-07-13 | 2011-01-20 | Siemens Aktiengesellschaft | Wicklungsschema für einen segmentierten Ständer einer dynamoelektrischen Maschine |
DE102009032883A1 (de) | 2009-07-13 | 2011-01-27 | Siemens Aktiengesellschaft | Wickelkopfanordnung |
DK2325483T3 (da) | 2009-11-24 | 2012-11-19 | Siemens Ag | Indretning med en modulær nacelle med en udstråler |
EP2325485B1 (fr) | 2009-11-24 | 2012-08-29 | Siemens Aktiengesellschaft | Agencement d'une nacelle avec un radiateur rentrant |
IT1398060B1 (it) | 2010-02-04 | 2013-02-07 | Wilic Sarl | Impianto e metodo di raffreddamento di un generatore elettrico di un aerogeneratore, e aerogeneratore comprendente tale impianto di raffreddamento |
IT1399201B1 (it) | 2010-03-30 | 2013-04-11 | Wilic Sarl | Aerogeneratore e metodo di rimozione di un cuscinetto da un aerogeneratore |
IT1399511B1 (it) | 2010-04-22 | 2013-04-19 | Wilic Sarl | Generatore elettrico per un aerogeneratore e aerogeneratore equipaggiato con tale generatore elettrico |
DE202010009460U1 (de) | 2010-06-23 | 2010-09-16 | Nordex Energy Gmbh | Vorrichtung zur Beheizung von Wettermasten |
DK2450570T3 (da) * | 2010-11-04 | 2013-09-02 | Siemens Ag | Køleindretning til et vindenergianlæg |
RU2562964C2 (ru) * | 2010-11-04 | 2015-09-10 | Воббен Пропертиз Гмбх | Ветроэлектрическая установка с синхронным генератором, а также медленно вращающийся синхронный генератор |
ITMI20110378A1 (it) | 2011-03-10 | 2012-09-11 | Wilic Sarl | Macchina elettrica rotante per aerogeneratore |
ITMI20110375A1 (it) | 2011-03-10 | 2012-09-11 | Wilic Sarl | Turbina eolica |
ITMI20110377A1 (it) | 2011-03-10 | 2012-09-11 | Wilic Sarl | Macchina elettrica rotante per aerogeneratore |
EP2546595A1 (fr) | 2011-07-15 | 2013-01-16 | Siemens Aktiengesellschaft | Dispositif et procédé de refroidissement |
WO2013111259A1 (fr) * | 2012-01-23 | 2013-08-01 | 株式会社日立製作所 | Équipement de génération d'énergie éolienne |
EP3591222B1 (fr) * | 2018-07-03 | 2023-09-06 | Siemens Gamesa Renewable Energy A/S | Éolienne et procédé de fonctionnement d'une éolienne |
EP3611372A1 (fr) * | 2018-08-13 | 2020-02-19 | youWINenergy GmbH | Nacelle pour une turbine éolienne, turbine éolienne avec la nacelle et procédé pour assembler la turbine éolienne |
EP3879097A1 (fr) | 2020-03-10 | 2021-09-15 | Siemens Gamesa Renewable Energy A/S | Ensemble thermique de turbine éolienne |
DE102021107905A1 (de) | 2021-03-29 | 2022-09-29 | Wobben Properties Gmbh | Luftkühlvorrichtung, Generator, Luftführungsvorrichtung, Windenergieanlage und Verfahren zur Herstellung eines Generators und einer Windenergieanlage |
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DE19802574A1 (de) | 1998-01-23 | 1999-03-11 | Siemens Ag | Windkraftanlage und Verfahren zum Betrieb einer Windkraftanlage |
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Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010085962A3 (fr) * | 2009-01-30 | 2011-04-14 | Vestas Wind Systems A/S | Éolienne présentant un dispositif de refroidissement supérieur |
US9074582B2 (en) | 2009-01-30 | 2015-07-07 | Vestas Wind Systems A/S | Wind turbine nacelle with cooler top |
CN102301134A (zh) * | 2009-01-30 | 2011-12-28 | 维斯塔斯风力***集团公司 | 在顶部具有冷却器的风力涡轮机机舱 |
US9039369B2 (en) | 2009-01-30 | 2015-05-26 | Vestas Wind Systems A/S | Wind turbine nacelle with cooler top |
US9039368B2 (en) | 2009-01-30 | 2015-05-26 | Vestas Wind Systems A/S | Wind turbine nacelle with cooler top |
JP2013516573A (ja) * | 2010-01-08 | 2013-05-13 | アロイス・ヴォベン | 風力発電プラント |
KR101391502B1 (ko) * | 2010-01-08 | 2014-05-07 | 워벤 알로이즈 | 풍력 장치 |
DE102010000756A1 (de) * | 2010-01-08 | 2011-07-14 | Wobben, Aloys, 26607 | Windenergieanlage |
US20170314535A1 (en) * | 2010-03-22 | 2017-11-02 | Vestas Wind Systems A/S | Nacelle for a wind turbine, the nacelle comprising side units |
US20130011272A1 (en) * | 2010-03-22 | 2013-01-10 | Vestas Wind Systems A/S | Nacelle for a wind turbine, the nacelle comprising side units |
US11274657B2 (en) * | 2010-03-22 | 2022-03-15 | Vestas Wind Systems A/S | Nacelle for a wind turbine, the nacelle comprising side units |
JP2012007485A (ja) * | 2010-06-22 | 2012-01-12 | Fuji Heavy Ind Ltd | 風力発電装置 |
EP2546515A1 (fr) * | 2011-07-14 | 2013-01-16 | Siemens Aktiengesellschaft | Agencement de refroidissement d'une éolienne |
GB2488394B (en) * | 2011-10-05 | 2013-01-09 | Patrick Vernon Stenfalt | Air Driven Electrical Generator (adeg) |
GB2488394A (en) * | 2011-10-05 | 2012-08-29 | Patrick Vernon Stenfalt | Air driven Tesla turbine with Halbach array generator |
WO2014023835A1 (fr) * | 2012-08-10 | 2014-02-13 | youWINenergy GmbH | Système de refroidissement intégré pour une nacelle d'une turbine éolienne |
CN104956075A (zh) * | 2012-08-10 | 2015-09-30 | 尤文能量有限责任公司 | 用于风力涡轮机的机舱的一体式冷却*** |
US9657719B2 (en) | 2014-06-16 | 2017-05-23 | General Electric Company | Ventilation arrangement |
US12031519B2 (en) | 2020-02-17 | 2024-07-09 | Vestas Wind Systems A/S | Nacelle for a wind turbine and a method of making a wind turbine |
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WO2009033925A3 (fr) | 2009-11-05 |
DE102007042338A1 (de) | 2009-03-12 |
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