WO2009049599A2 - Temperature regulation for gearboxes which are coupled to one another, and a generator in a wind energy installation - Google Patents
Temperature regulation for gearboxes which are coupled to one another, and a generator in a wind energy installation Download PDFInfo
- Publication number
- WO2009049599A2 WO2009049599A2 PCT/DE2008/001672 DE2008001672W WO2009049599A2 WO 2009049599 A2 WO2009049599 A2 WO 2009049599A2 DE 2008001672 W DE2008001672 W DE 2008001672W WO 2009049599 A2 WO2009049599 A2 WO 2009049599A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- generator
- transmission
- cooling circuit
- cooling
- rotor
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/48—Special means compensating for misalignment of axes, e.g. for equalising distribution of load on the face width of the teeth
-
- 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
- F03D80/70—Bearing or lubricating arrangements
-
- 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 device for controlling the temperatures of a gearbox and a generator for a wind turbine, which converts wind energy into electrical energy, the device comprising the gearbox and the generator, wherein the gearbox and the generator are fixedly connected to one another wherein the generator comprises at least one rotor (131), at least one stator (129), at least one conductor winding and / or a permanent magnet (135), which comprises the stator (129) or the rotor (131), and a rotor ( 131) and the stator (129) comprising generator housing (127) and having a generator temperature, wherein the transmission at least one output stage, at least one drive stage, wherein the speed or the torque of the drive stage is converted into a speed or torque of the output stage, and a transmission housing comprising the drive stage and the output stage (107) and having a transmission temperature, wherein de r generator means for cooling and a corresponding cooling circuit having a cooling medium, wherein the transmission comprises a lubricant, in particular for lubrication, wherein
- Wind turbines or wind turbines are set up at different latitudes of this world.
- a standard wind turbine must be adjusted to a wide variety of climatic conditions. But even through the conditions set by seasonal temperature changes at a location a wind turbine must be operated as possible all year round, otherwise the economy is not given.
- Germany typically must be considered temperature ranges between -20 and +40 0 C.
- tempera Below freezing temperatures gear lubricants do not have the optimum viscosity for starting up or operating a wind turbine.
- the temperature of the lubricating oil is determined in a transmission by means of a temperature sensor and heated at low temperatures of the oil sump by means of immersion heaters. Due to lack of convection, this causes the oil to be heated locally on the immersion heater, but the heat does not distribute itself ideally in the oil. In particular, the use of an immersion heater causes the oil in the vicinity of the immersion heater burns and thereby deteriorates the quality of the lubricant.
- DE 100 16 913 A1 discloses a wind turbine with a rotor unit optionally with a gearbox and a generator, with a heat exchanger system consisting of a heat absorption unit arranged in the region of the generator and optionally of the transmission, a heat dissipation unit arranged in the region of the tower.
- a heat exchanger system consisting of a heat absorption unit arranged in the region of the generator and optionally of the transmission, a heat dissipation unit arranged in the region of the tower.
- one of the two units interconnected power systems, consisting of a flow line and a return line and a circulation pump shown.
- DE 3 625 840 A1 discloses a wind energy plant consisting of a rotor which is connected to a generator via a transmission, the transmission and the generator being accommodated in a common housing.
- the housing is rotationally symmetrical and serves on the outside of the thus coaxial storage of the scar of the rotor.
- the rotor blades of the rotor are arranged centrally with respect to the annular base body of the scar, at the two axial end portions thereof. bearing points are located.
- the power transmission from the rotor via a arranged on the inside of the scoring gear on the gearbox.
- DE 20 2006 006 326 Ul represents a cabinet for receiving electrical and electronic components and switching elements, which is exposed to rotation and the at least one cooling device with a lying in its interior cold-emitting device part and a lying outside the circuit heat-emitting device part wherein the cooling device is preferably designed as a Peltier element, wherein the control cabinet is arranged for example in the tower head of a wind turbine, which consists of a tower, the tower head, a wind-driven turbine and an electric generator arranged in the tower head, wherein the turbine is rotated by wind , The rotational movement is transmitted via a rotor shaft or a gearbox to the electric generator, which converts the rotational energy into electricity, wherein the lying in the interior of the cabinet cold side of the in a wall of the control cabinet ang eordneten cooling device is arranged a condensate ring as a cup-shaped sump for accumulating condensation, the interior of which is connected to a led out of the interior of the cabinet hose, which is formed in the
- An object of the invention is to improve the state of the art.
- a device for controlling the temperatures of a transmission and a generator for a wind turbine, which wind energy in electrical energy converts wherein the device comprises the transmission and the generator, wherein the transmission and the generator are fixedly connected to each other, wherein the generator at least one rotor, at least one stator, at least one conductor winding and / or a permanent magnet, which the stator or the rotor comprises, and a generator housing comprising the rotor and stator and having a generator temperature, the transmission at least one output stage, at least one drive stage, wherein the speed or the torque of the drive stage is converted into a speed or torque of the output stage and a transmission housing comprising the drive stage and the output stage and having a transmission temperature, wherein the generator comprises means for cooling and a corresponding cooling circuit with a cooling medium, wherein the transmission comprises a lubricant, in particular for lubrication, wherein the means for cooling to temper be used in the transmission.
- a two-stage planetary gear can be used with or without downstream spur gear in a preferred manner.
- multi-stage planetary gear can be used with or without downstream spur gear.
- the term "generator” is understood to mean, in particular, devices which convert mechanical energy into electrical energy.
- the generator can be designed so that in the yoke or corresponding rotor (yoke is also called rotor hereinafter) are permanent magnets which induce a voltage in the coils of the stator during rotation of the yoke.
- the generator can be configured as a double stator and a monotor.
- Conductor coil is essentially an arrangement of conductor loops, which form a magnetic field when energized or generate current when passing through a magnetic field.
- the conductor loop may be configured to extend over inner and outer stators.
- the magnet in the rotor can be configured as a current-excitable magnet.
- the fixed connection between the generator and the transmission can be configured as a flanged connection. This detachable attachment allows replacement of components and easier maintenance.
- a plate which transfers the heat from the generator to the transmission or in the reverse direction be mounted between the gearbox and generator, while still a firm connection between the gearbox and generator can be realized.
- the drive stage and the output stage can mesh with each other so that a speed or torque conversion takes place.
- further devices can be provided, which implement further conversions of the rotational speed or enrovend of the torque between the drive stage and the output stage.
- the generator may include cooling means which regulate the temperature of the generator resulting from induction and hence current flow in the conductor loops.
- cooling means which regulate the temperature of the generator resulting from induction and hence current flow in the conductor loops.
- water or water / glycol mixtures can be used as the coolant in the cooling circuit.
- a coolant pump can pump the coolant through the cooling circuit.
- the cooling circuit can be actively and / or passively cooled.
- the active cooling can take place by means of a cooling unit.
- the cooling unit is supplied with a power source which provides the necessary energy for the cooling.
- the passive cooling can be done via a heat sink.
- This heat sink can be mounted outside the housing or the wind turbine.
- the cooling takes place via heat-conducting cooling fins, which can be in exchange with cooling air.
- the tempering may be passive and / or active.
- the passive tempering can be done by extending the cooling circuit to the transmission.
- the cooling circuit is designed so that a temperature exchange between the cooling circuit of the generator and the transmission (oil) takes place.
- the cooling circuit extended into the transmission can be switched on by means of a switching element.
- the transmission may have a cooling circuit with coolant.
- the transmission can be connected via switchable valves, which are mounted between the cooling circuit of the transmission and the generator, the cooling circuit of the transmission with that of the generator.
- the coolant flows through both the transmission and the generator.
- the active tempering can be carried out by bringing the lubricant to the means for cooling.
- a pump may be attached, which conveys the lubricant to the points in the transmission, where a good exchange of heat with the coolant can be done.
- the pump can be designed mechanically as well as electrically.
- the mechanical pump can be designed as a gear pump.
- the conductor windings in the generator may be powered by an external power source. This causes the current flow to heat the conductor winding. This heat can be absorbed by the coolant and used to warm the lubricant in the generator.
- the cooling of the coolant can be omitted during the warm-up. This can be done by switching off the cooling unit or thermally conductive separation of the passive coolant (eg through a valve in the access to the passive coolant).
- one phase of the power source may be used to power the conductor windings.
- the conductor winding can be impressed with a corresponding current profile, by means of which the heat development is optimally configured for the warming-up of the coolant.
- the rotor which is coupled to the output stage for the production of electrical energy, can be decoupled from the output stage. This causes the rotor to rotate and the generator to act as a motor. This ensures that the shaft does not rotate despite the rotating rotor.
- the decoupling can be done circuit technology by controlling a bolt or bolt.
- the object is achieved by a method for tempering, in particular warming up a transmission and / or a generator of a wind power plant, wherein the transmission and the generator are fixedly connected to each other, wherein generator and transmission each comprise a cooling circuit , in which, especially when starting the wind turbine, the generator, the gearbox or the gearbox tempered the generator.
- Both the cooling circuit of the generator and the cooling circuit of the transmission can each include coolant, cooling pumps and cooling units.
- the cooling circuits may form a common overall cooling circuit and this overall cooling circuit may comprise a coolant pump which pumps a cooling medium or coolant through the entire cooling circuit.
- this overall cooling circuit may comprise a coolant pump which pumps a cooling medium or coolant through the entire cooling circuit.
- the entire cooling circuit can advantageously be configured via a connection of the cooling circuits with the gearbox and the generator.
- the connection can be designed such that both an inflow and an outflow can be realized.
- the compound can split into two separate compounds, which essentially a supply and an outflow is feasible.
- connection can be switched via at least one valve.
- the connection can be switched via at least one valve.
- the object can be achieved by a method for controlling the temperature of a transmission of a wind turbine, wherein the wind turbine comprises a generator, wherein generator and transmission each comprise a cooling circuit, wherein the cooling circuit of the transmission and the cooling circuit of the generator form a total cooling circuit through a connection, wherein the generator is energized, whereby by the generator, the function of an engine can be realized, which emits heat to the cooling circuit of the generator.
- connection between the cooling circuit of the transmission and the cooling circuit of the generator can be switched via valves.
- the cooling circuit of the transmission can be switched on at the time when the temperature of the coolant in the cooling circuit of the generator has reached a certain temperature.
- This temperature is in particular above the freezing point of water. For warming up, this temperature may also be above the operating temperature of the generator or transmission.
- the case is encompassed that in the engine operation of the generator, the transmission is operated in a defined manner. This defined starting can be generated by the mechanical friction of the components in the transmission heat. This heat can heat up the gearbox or the lubricant accordingly.
- the wind turbine can comprise a rotor blade, which is flanged on a scar on the transmission, and the transmission is configured with respect to the scar or corresponding rotor blade freewheeling.
- the generator motor operation advantageously does not have to drive the rotor blade.
- the generator may comprise a rotor (yoke) which forms a substantially fixed connection with the gear, wherein the rotor rotatably in a power generation direction and opposite to the power generation direction, which corresponds in particular to the motor rotation direction of the generator , can be designed free-running.
- the generation of the heat can be carried out essentially in the generator.
- the rotor of the generator can be made lockable and the lock can be activated in a connectable manner. It can be advantageously generated without the rotation of components heat over the energized coils of the generator. This heat is stored in the cooling circuit and preferably provided to the transmission at a defined time, where the tempered coolant heat the lubricant and mechanical components.
- FIG. 36 shows a side view of a section of a generator flanged to a gearbox.
- the gear housing 107 includes a flanged to the hub 101 hollow shaft 103, which is designed as a ring gear 103 of the transmission.
- This ring gear is mounted in the gear housing by bearings 105.
- the teeth of this ring gear 103 engage in the planet 110 mounted by means of flex pins 119.
- These planets 110 in turn transmit the rotation to the hollow sun 115, which at the same time is designed as a ring gear 115 for the output stage.
- the drive stage in this case comprises the ring gear 103, the planetary gears 110 and the hollow sun 115.
- the output stage comprises the ring gear 115, which is non-rotatably connected to the hollow sun 115 of the drive stage, the planet 111 mounted by means of FlexPins 109 and the hollow sun 113, which its Rotation to the shaft 117 gives off.
- the planets 111 of the output stage are additionally mounted in the ring gear 103. This leads to a power distribution and thus has the output stage described here at the same time also has the function of a drive stage.
- the shaft 117 is further supported by bearings 121, 122.
- the rotor of the generator 131 is flanged by means of controllable brakes or holding elements 133.
- the rotor 131 follows the rotation of the shaft 117.
- permanent magnets 135 are inserted so as to interact with the conductor coils or conductor windings 129 of the inner and outer stators, respectively.
- a voltage is thus induced in the conductor windings (conductors).
- the generator housing 127 includes the rotor 131, the stators with conductor windings 129 and a part of the cooling circuit 125, which is filled with a coolant and is in heat exchange with the conductor windings 129.
- the conductor windings can be flowed around by the coolant or, as illustrated here, via conductive materials with the cooling circuit 125 in contact.
- the generator housing 127 is flanged to the transmission housing 107 via a heating plate 123. A further part of the cooling circuit 125 is integrated in the heating plate.
- the coolant is cooled by the cooling unit 137. This can also be done passively via metal ribs 143.
- the cooling unit 137 comprises a pump (not shown), which pumps the coolant through the cooling circuit 125.
- the transmission cooling circuit 141 is connected to the cooling circuit 125. This connection can also be controlled via two switchable valves (not shown).
- the transmission cooling circuit 141 is in heat exchanging contact with the oil sump (not shown) of the transmission.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Motor Or Generator Cooling System (AREA)
- Wind Motors (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112008002661T DE112008002661A5 (en) | 2007-10-15 | 2008-10-15 | Temperature control of coupled gearbox and generator in a wind turbine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007049599A DE102007049599A1 (en) | 2007-10-15 | 2007-10-15 | Temperature control of coupled gearbox and generator in a wind turbine |
DE102007049599.6 | 2007-10-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2009049599A2 true WO2009049599A2 (en) | 2009-04-23 |
WO2009049599A3 WO2009049599A3 (en) | 2010-01-07 |
Family
ID=40514139
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2008/001672 WO2009049599A2 (en) | 2007-10-15 | 2008-10-15 | Temperature regulation for gearboxes which are coupled to one another, and a generator in a wind energy installation |
Country Status (2)
Country | Link |
---|---|
DE (2) | DE102007049599A1 (en) |
WO (1) | WO2009049599A2 (en) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009048766A1 (en) | 2009-10-08 | 2011-04-14 | Robert Bosch Gmbh | Powertrain and wind turbine |
WO2011042084A2 (en) | 2009-10-08 | 2011-04-14 | Robert Bosch Gmbh | Drive train and wind turbine |
WO2010142263A3 (en) * | 2009-06-11 | 2011-07-21 | Aerodyn Energiesysteme Gmbh | Wind turbine featuring recirculation of a cooling stream |
EP2508753A1 (en) * | 2011-04-07 | 2012-10-10 | Siemens Aktiengesellschaft | Compact drive-generator unit for wind turbines |
WO2013021181A1 (en) * | 2011-08-05 | 2013-02-14 | David Brown Gear Systems Limited | A drive arrangement for a wind turbine |
US8393993B2 (en) | 2006-01-25 | 2013-03-12 | Vestas Wing Systems A/S | Wind turbine comprising at least one gearbox and an epicyclic gearbox |
US8536726B2 (en) | 2010-09-17 | 2013-09-17 | Vestas Wind Systems A/S | Electrical machines, wind turbines, and methods for operating an electrical machine |
US8568099B2 (en) | 2010-12-17 | 2013-10-29 | Vestas Wind Systems A/S | Apparatus for harvesting energy from a gearbox to power an electrical device and related methods |
EP2309125A3 (en) * | 2009-10-09 | 2014-03-12 | Gamesa Innovation & Technology, S.L. | Auxiliary refrigeration system and operating method |
CN103958889B (en) * | 2011-08-05 | 2016-11-30 | 英国戴维布朗风力有限公司 | A kind of driving means for wind turbine |
DE102019119473A1 (en) * | 2019-07-18 | 2021-01-21 | Renk Aktiengesellschaft | Drive train arrangement |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011008672A1 (en) | 2011-01-15 | 2012-07-19 | Hydac Filtertechnik Gmbh | Device for lubricating a gearbox and a bearing |
DE102014215020A1 (en) * | 2014-07-30 | 2016-02-04 | Zf Friedrichshafen Ag | Wind turbine gearboxes |
DE102015105543A1 (en) * | 2015-04-10 | 2016-10-13 | Wittenstein Ag | transmission cooling |
DE202019101918U1 (en) | 2019-03-08 | 2020-06-09 | Liebherr-Components Biberach Gmbh | Temperature control device for drive and / or gear units such as tunnel drill gear |
Citations (5)
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DE10016913A1 (en) * | 2000-04-05 | 2001-10-18 | Aerodyn Eng Gmbh | Offshore wind turbine with a heat exchanger system |
EP1375913A1 (en) * | 2002-06-28 | 2004-01-02 | High Technology Investments B.V. | Wind turbine with discoid generator |
US7168251B1 (en) * | 2005-12-14 | 2007-01-30 | General Electric Company | Wind energy turbine |
WO2007051464A1 (en) * | 2005-11-01 | 2007-05-10 | Vestas Wind Systems A/S | A method for prolonging and/or controlling the life of one or more heat generating and/or passive components in a wind turbine, a wind turbine, and use thereof |
WO2008131766A2 (en) * | 2007-04-30 | 2008-11-06 | Vestas Wind Systems A/S | A wind turbine, a method for controlling the temperature of fluid flowing in a first temperature control system of a wind turbine and use |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
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DE3625840A1 (en) * | 1986-07-30 | 1988-02-11 | Scholz Hans Ulrich | WIND TURBINE |
DE202006006326U1 (en) * | 2005-11-23 | 2007-03-29 | Pfannenberg Gmbh | Control cabinet with a cooling unit, which is exposed to rotation, and a cooling device for this purpose |
-
2007
- 2007-10-15 DE DE102007049599A patent/DE102007049599A1/en not_active Withdrawn
-
2008
- 2008-10-15 DE DE112008002661T patent/DE112008002661A5/en not_active Withdrawn
- 2008-10-15 WO PCT/DE2008/001672 patent/WO2009049599A2/en active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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DE10016913A1 (en) * | 2000-04-05 | 2001-10-18 | Aerodyn Eng Gmbh | Offshore wind turbine with a heat exchanger system |
EP1375913A1 (en) * | 2002-06-28 | 2004-01-02 | High Technology Investments B.V. | Wind turbine with discoid generator |
WO2007051464A1 (en) * | 2005-11-01 | 2007-05-10 | Vestas Wind Systems A/S | A method for prolonging and/or controlling the life of one or more heat generating and/or passive components in a wind turbine, a wind turbine, and use thereof |
US7168251B1 (en) * | 2005-12-14 | 2007-01-30 | General Electric Company | Wind energy turbine |
WO2008131766A2 (en) * | 2007-04-30 | 2008-11-06 | Vestas Wind Systems A/S | A wind turbine, a method for controlling the temperature of fluid flowing in a first temperature control system of a wind turbine and use |
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8393993B2 (en) | 2006-01-25 | 2013-03-12 | Vestas Wing Systems A/S | Wind turbine comprising at least one gearbox and an epicyclic gearbox |
WO2010142263A3 (en) * | 2009-06-11 | 2011-07-21 | Aerodyn Energiesysteme Gmbh | Wind turbine featuring recirculation of a cooling stream |
WO2011042082A3 (en) * | 2009-10-08 | 2011-11-17 | Robert Bosch Gmbh | Drive train and wind turbine |
WO2011042082A2 (en) | 2009-10-08 | 2011-04-14 | Robert Bosch Gmbh | Drive train and wind turbine |
WO2011042084A2 (en) | 2009-10-08 | 2011-04-14 | Robert Bosch Gmbh | Drive train and wind turbine |
DE102009048766A1 (en) | 2009-10-08 | 2011-04-14 | Robert Bosch Gmbh | Powertrain and wind turbine |
WO2011042084A3 (en) * | 2009-10-08 | 2011-11-24 | Robert Bosch Gmbh | Drive train and wind turbine |
CN102667148A (en) * | 2009-10-08 | 2012-09-12 | 罗伯特·博世有限公司 | Drive train and wind turbine |
DE102009048767A1 (en) | 2009-10-08 | 2011-04-14 | Robert Bosch Gmbh | Powertrain and wind turbine |
EP2309125A3 (en) * | 2009-10-09 | 2014-03-12 | Gamesa Innovation & Technology, S.L. | Auxiliary refrigeration system and operating method |
US8536726B2 (en) | 2010-09-17 | 2013-09-17 | Vestas Wind Systems A/S | Electrical machines, wind turbines, and methods for operating an electrical machine |
US8568099B2 (en) | 2010-12-17 | 2013-10-29 | Vestas Wind Systems A/S | Apparatus for harvesting energy from a gearbox to power an electrical device and related methods |
EP2508753A1 (en) * | 2011-04-07 | 2012-10-10 | Siemens Aktiengesellschaft | Compact drive-generator unit for wind turbines |
WO2013021181A1 (en) * | 2011-08-05 | 2013-02-14 | David Brown Gear Systems Limited | A drive arrangement for a wind turbine |
KR20140088513A (en) * | 2011-08-05 | 2014-07-10 | 데이비드 브라운 윈드 유케이 리미티드 | A drive arrangement for a wind turbine |
CN103958889A (en) * | 2011-08-05 | 2014-07-30 | 英国戴维布朗风力有限公司 | A drive arrangement for a wind turbine |
AU2012293499B2 (en) * | 2011-08-05 | 2015-10-29 | Moventas Gears Uk Limited | A drive arrangement for a wind turbine |
US9413205B2 (en) | 2011-08-05 | 2016-08-09 | David Brown Wind Uk Limited | Drive arrangement for a wind turbine |
CN103958889B (en) * | 2011-08-05 | 2016-11-30 | 英国戴维布朗风力有限公司 | A kind of driving means for wind turbine |
DE102019119473A1 (en) * | 2019-07-18 | 2021-01-21 | Renk Aktiengesellschaft | Drive train arrangement |
US11466669B2 (en) | 2019-07-18 | 2022-10-11 | Renk Aktiengesellschaft | Drive train arrangement |
Also Published As
Publication number | Publication date |
---|---|
DE112008002661A5 (en) | 2010-07-01 |
DE102007049599A1 (en) | 2009-05-07 |
WO2009049599A3 (en) | 2010-01-07 |
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