CN106640555B - Wind power generating set and its cooling system and cooling control method - Google Patents

Wind power generating set and its cooling system and cooling control method Download PDF

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Publication number
CN106640555B
CN106640555B CN201611225516.1A CN201611225516A CN106640555B CN 106640555 B CN106640555 B CN 106640555B CN 201611225516 A CN201611225516 A CN 201611225516A CN 106640555 B CN106640555 B CN 106640555B
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China
Prior art keywords
cabin
cooling
impeller
temperature
air
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CN106640555A (en
Inventor
方涛
吴凯
武占海
邓刚
方志祥
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Beijing Goldwind Science and Creation Windpower Equipment Co Ltd
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Beijing Goldwind Science and Creation Windpower Equipment Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00Function
    • F05B2260/20Heat transfer, e.g. cooling
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00Function
    • F05B2260/20Heat transfer, e.g. cooling
    • F05B2260/232Heat transfer, e.g. cooling characterised by the cooling medium
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

Abstract

Disclose a kind of wind power generating set and its cooling system and cooling control method, cooling system includes: impeller radiator, it is mounted in the cabin of wind power generating set, the hot-air in the wheel hub of wind power generating set is introduced in the impeller radiator by guide duct and is exchanged heat with the fluid media (medium) in the impeller radiator;Cabin heat dissipation device is mounted in the cabin, and the hot-air in the cabin is inhaled into the cabin heat dissipation device and exchanges heat with the fluid media (medium) in the cabin heat dissipation device.Above-mentioned cooling system is realized while being radiated to impeller system and cabin, while automatically carrying out intelligent control to radiation processes according to temperature change.

Description

Wind power generating set and its cooling system and cooling control method
Technical field
The present invention relates to wind power generation fields, specifically, the present invention relates to a kind of wind power generating set and its heat dissipation systems System and cooling control method.
Background technique
In some wind power generating sets, the cooling system for cooling down cabin is mounted on nacelle exterior, the heat in cabin The heat exchanger being transmitted to by the road outside cabin is measured to radiate.Engine room inside space is saved in this way, can reduce cabin size.But It is that, since heat exchanger is obliquely installed in nacelle exterior, the effective area of actually generation heat exchange is smaller, the heat exchange needed Device quantity is more, and can cause deleterious effect to the appearance of wind power generating set.
In addition, the cooling system being arranged such can only cool down cabin space, it but cannot be simultaneously in impeller system Portion space carry out it is cooling and will be within the scope of the temperature that be maintained at suitable inside it.Meanwhile this cooling system can not realize intelligence It can control, and adapt to the temperature of ambient temperature to adjust radiating mode.
Summary of the invention
The purpose of the present invention is to provide a kind of cooling systems and cooling control method for wind power generating set, with same When radiate to impeller system and cabin, while intelligent control is automatically carried out to radiation processes according to temperature change.
Another object of the present invention is to provide a kind of wind power generating sets.
To achieve the goals above, the present invention provides a kind of cooling system for wind power generating set, the heat dissipations System includes: impeller radiator, is mounted in the cabin of wind power generating set, the hot-air in the wheel hub of wind power generating set It is introduced in the impeller radiator by guide duct and is exchanged heat with the fluid media (medium) in the impeller radiator;Machine Cabin radiator is mounted in the cabin, the hot-air in the cabin be inhaled into the cabin heat dissipation device and with institute State the fluid media (medium) heat exchange in cabin heat dissipation device.
Preferably, the cooling system further includes external radiating device, and the external radiating device is mounted on the cabin Outside, with the fluid media (medium) being heated in the cooling impeller radiator and the cabin heat dissipation device.
Preferably, the impeller radiator includes: impeller heat exchanger, and hot-air and fluid from the wheel hub is made to be situated between Matter exchanges heat and the air after cooling is discharged in the cabin;Impeller hot-swappable fans, will be in the wheel hub by the guide duct Blowing hot air to the impeller heat exchanger;Pipeline conveys between the impeller heat exchanger and the external radiating device Fluid media (medium).
Preferably, the cabin heat dissipation device includes: cabin heat exchanger, makes hot-air and fluid media (medium) in the cabin It exchanges heat and the air after cooling is discharged in cabin;Cabin hot-swappable fans, by the blowing hot air in the cabin to the machine Cabin heat exchanger;Pipeline, the trandfer fluid medium between the cabin heat exchanger and the external radiating device.
Preferably, it is provided with electrodynamic pump on the pipeline, so that fluid media (medium) flows in the pipeline.
Preferably, the impeller radiator and the cabin heat dissipation device are mounted on the top in the cabin.
Preferably, the external radiating device includes external heat exchanger, is made from the impeller radiator and the cabin The received fluid media (medium) of radiator and outside air exchange heat.
According to an embodiment of the invention, providing a kind of cooling control method for wind power generating set, the heat dissipation Control method controls the operation of above-mentioned cooling system, comprising: the temperature in the wheel hub reaches T1When, start the impeller and dissipates Thermal;Temperature in the cabin of wind power generating set, which reaches, compares T1Big T2When, start the cabin heat dissipation device;Institute State the highest threshold temperature T that the temperature in cabin reaches wind power generating set3When, shut down wind power generating set;In the machine Temperature in cabin is from T3Drop to T2When, deactivate the cabin heat dissipation device;Temperature in the cabin is from T2Drop to and compares T1 Small T4When, deactivate the impeller radiator.
Preferably, the temperature in the wheel hub reaches T1When, start external radiating device.
Preferably, the temperature in the cabin, which reaches, compares T2Greatly and compare T3Small T5When, start electrodynamic pump.
Preferably, the temperature in the cabin is from T3Drop to T2When, also deactivate the electrodynamic pump.
According to another embodiment of the present invention, a kind of wind power generating set is additionally provided, the wind power generating set includes Above-mentioned cooling system.
Preferably, the hot-air in the tower of wind power generating set is entered in cabin by stack effect, to pass through cabin Radiator radiates.
Preferably, after the hot-air in wheel hub is inhaled into the impeller heat exchanger of impeller radiator, in wheel hub Interior formation negative pressure, so that outside air enters in wheel hub.
Preferably, after air after cooling is discharged in cabin by the cabin heat exchanger in cabin heat dissipation device, in machine Positive pressure is formed in cabin, to form flow circuit between wheel hub and the air of cabin.
Provided cooling system and cooling control method through the invention, achieve it is following the utility model has the advantages that
1, the impeller radiator for being used to cool down wheel hub is mounted in cabin, increases the inner space of wheel hub, simplified Installation in wheel hub, while considerably reducing the failure rate of impeller radiator;
2, the heat dissipation of wheel hub and the heat dissipation of cabin and tower combine, and use a set of secondary heat exchange system jointly, The cooling system for simplifying complete machine reduces unit failure rate;
3, external radiating device is set in nacelle exterior, carries out heat exchange as cold source using outside air, has reached nothing Need extra power, so as to using the hot water in outside air cooling heat radiation system, while can be improved machine set system can By property;
4, by installing each heat exchanger and fan in nacelle top, stack effect is utilized, can save energy and Arrived saving cabin space, and can reduce cabin, in wheel hub and tower temperature purpose, also maintain the beauty of cabin shape;
5, according to the temperature in wheel hub and cabin, the intelligentized control method to radiation processes, temperature in adaptive unit are realized Degree carries out adaptive cooling.
Detailed description of the invention
Fig. 1 is the schematic diagram of the cooling system of embodiment according to the present invention;
Fig. 2 is the schematic diagram of embodiment according to the present invention cooling control method.
Specific embodiment
In order to enable those skilled in the art to better understand the present invention, with reference to the accompanying drawing to specific reality of the invention Example is applied to be described in detail.
Referring to Fig.1, Fig. 1 is the schematic diagram of the cooling system of embodiment according to the present invention.
According to an embodiment of the invention, providing a kind of cooling system for wind power generating set, which is used Wheel hub and cabin are cooled down in simultaneously, while a degree of cooling can be carried out to tower by stack effect.
The cooling system includes the impeller radiator being installed in cabin 3 and cabin heat dissipation device and is mounted on machine External radiating device outside cabin 3, the hot-air in wheel hub 15 are entered impeller heat dissipation dress by the guidance of guide duct 13 It in setting, and exchanges heat with the fluid media (medium) in impeller radiator, air after cooling is discharged in cabin 3.In this way, taking turns It is siphoned away in 15 internal cause portion of air of hub, so generating tiny structure, outside air can enter wheel by the gap on wheel hub 15 In hub 15, to reduce the temperature in wheel hub 15, all parts in wheel hub 15 are cooled down.
Hot-air in cabin 3 can be taken directly in cabin heat dissipation device, and with the fluid in cabin heat dissipation device Medium exchanges heat, and air after cooling is discharged in cabin 3.In this way, 3 internal temperature of cabin is minimized, and cool All parts in cabin 3.
Since air after cooling is all discharged in cabin 3 by impeller radiator and cabin heat dissipation device, so as to Micro-positive pressure is formed in cabin 3, simultaneously because wheel hub 15 can form tiny structure when being cooled down, so that the air in cabin 3 can Wheel hub 15 is flowed to, so that untreated outside air will not enter cabin 3, pollution cabin 3 is avoided, reduces engine room inside The failure rate of each component.
The raised fluid media (medium) of temperature can after being exchanged heat in impeller radiator and cabin heat dissipation device with hot-air External radiating device is flowed to, to be cooled down, so that impeller can be flow back into again by external radiating device fluid media (medium) after cooling Radiator and cabin heat dissipation device continue to exchange heat with hot-air.
Above-mentioned fluid media (medium) can be specifically water or other suitable coolants.
Specifically, impeller radiator may include impeller hot-swappable fans 12 and impeller heat exchanger 11, impeller hot-swappable fans 12 suck the hot-air in wheel hub 15 by guide duct 13, and make stream of hot air through impeller heat exchanger 11.At this moment, due to wheel hub 15 The tiny structure of interior formation, outside air can enter in wheel hub 15.Hot-air can in impeller heat exchanger 11 with the fluid of low temperature Medium exchanges heat, and the air after impeller heat exchanger 11 reduces temperature later is discharged in cabin 3, to realize to wheel hub 15 Heat dissipation.Impeller heat exchanger 11 can be installed to the top of cabin 3 by mounting bracket 8.
The pipeline of impeller radiator may particularly include outlet pipe 7 and return pipe 4, and the entrance of impeller heat exchanger 11 can divide Not Tong Guo outlet pipe 7 and return pipe 4 be connected to external radiating device, to realize the circulation of fluid media (medium).
Cabin heat dissipation device may include cabin hot-swappable fans 10 and cabin heat exchanger 9, and cabin hot-swappable fans 10 suck cabin 3 Interior hot-air, and make stream of hot air through cabin heat exchanger 9, such hot-air can in cabin heat exchanger 9 with the stream of low temperature Body medium exchanges heat, and the air after cabin heat exchanger 9 can reduce temperature later is discharged in cabin 3, to realize to machine The heat dissipation in cabin 3.Equally, cabin heat exchanger 9 can be installed to the top of cabin 3 by mounting bracket 8.
The pipeline of cabin heat dissipation device may particularly include outlet pipe 7 and return pipe 4, and the entrance of cabin heat exchanger 9 can divide Not Tong Guo outlet pipe 7 and return pipe 4 be connected to external radiating device, to realize the circulation of fluid media (medium).Cabin heat exchanger 9 goes out The outlet pipe and return pipe of water pipe and return pipe and impeller heat exchanger 11 can share same outlet pipe and same return pipe.
External radiating device may include external heat exchanger 6, by what is flowed out from impeller heat exchanger 11 and cabin heat exchanger 9 The raised fluid media (medium) of temperature exchanges heat with outside air, to reduce the temperature of fluid media (medium).
Specifically, the raised fluid media (medium) of temperature flows to outside through outlet pipe 7 in impeller heat exchanger 11 and cabin heat exchanger 9 In portion's heat exchanger 6, with outside air heat exchange and after temperature reduction, fluid media (medium) flow back into impeller heat exchanger through return pipe 4 11 and cabin heat exchanger 9 in.
In order to promote the fluid media (medium) in pipeline to flow, electrodynamic pump 5 can be set on outlet pipe 7, so as to accelerate to dissipate Fluid media (medium) in hot systems circulates between heat exchanger in cabin and cabin external heat exchanger, promotes heat dissipation.
In addition, mesh enclosure 14 can be set on guide duct 13.
Meanwhile the quantity of above-mentioned impeller radiator, cabin heat dissipation device and external radiating device can be according to actual installation Situation and radiating requirements are suitably set, for example, settable two cabin heat dissipation devices.
When being radiated, the hot-air in wheel hub 15 is drawn into impeller via guide duct by impeller hot-swappable fans 12 In heat exchanger 11, so that hot-air low fluid media (medium) opposite with temperature in impeller heat exchanger 11 carries out heat exchange, Zhi Houleng But the air after can be discharged in cabin 3, and form certain negative pressure since portion of air is sucked away in wheel hub 15, negative Under pressure effect, outside air can be flowed into wheel hub 15, to reduce the temperature of the air themperature and inner part in wheel hub 15. When air themperature in cabin 3 reaches the temperature to radiate, it is empty that cabin hot-swappable fans 10 suck the heat in cabin 3 Gas, so that the fluid media (medium) progress heat exchange that hot-air is relatively low with temperature in cabin heat exchanger 9, and air after cooling It can be discharged in cabin 3, to reduce the temperature of the air themperature and inner part in cabin 3.
Effect of the higher fluid media (medium) of temperature flowed out out of impeller heat exchanger 11 and cabin heat exchanger 9 in electrodynamic pump 5 Under flowed in external heat exchanger 6 via outlet pipe 7, thus in external heat exchanger 6 with outside air exchange heat, in this way, fluid be situated between The temperature of matter is minimized, and is flow back into impeller heat exchanger 11 and cabin heat exchanger 9 again via return pipe 4 later, continue into Row heat exchange.
Simultaneously as positive pressure in negative pressure and cabin 3 in wheel hub 15, so as in 15 inside of wheel hub and cabin 3 Interior formation air circulation.
In addition, there is also heat generating components, such as the components such as power control cabinet and cable, towers in the tower 1 of wind power generating set Hot-air in cylinder 1 can be upwardly into cabin 3 by stack effect, these hot-airs can be radiated by cabin heat exchanger 9, Temperature is minimized, and cabin heat dissipation device also reduces the temperature in tower 1 while radiating to cabin 3.
According to another embodiment of the present invention, a kind of cooling control method for controlling above-mentioned cooling system is provided, below This method is described referring to Fig. 2.
When the temperature in wheel hub 15 is less than T1, above-mentioned cooling system can not be started and radiated, impeller hot-swappable fans 12, Impeller heat exchanger 11 and cabin hot-swappable fans 10 and cabin heat exchanger 9 can be not turned on, and electrodynamic pump 5 does not also start.
When the temperature in wheel hub 15 reaches T1When, start impeller radiator and external radiating device, in wheel hub 15 It radiates in space in portion.Specifically, start impeller hot-swappable fans 12, impeller heat exchanger 11 and external heat exchanger 6, in wheel hub 15 Hot-air exchanges heat in impeller heat exchanger 11 with fluid media (medium), and the air after temperature reduces is discharged into cabin 3, and extraneous empty Gas is since the negative pressure in wheel hub 15 enters in wheel hub 15, to reduce the temperature in wheel hub 15.
When the temperature in cabin 3 reaches T2When, wherein T2Greater than T1, further start cabin heat dissipation device, to cabin 3 into Row heat dissipation.Specifically, start cabin hot-swappable fans 10 and cabin heat exchanger 9, the hot-air in cabin 3 is in cabin heat exchanger 9 It exchanges heat with fluid media (medium), the air after temperature reduces is discharged in cabin 3, to reduce the temperature in cabin 3.
When the temperature in cabin 3 reaches T5When, wherein T5Greater than T2, further start electrodynamic pump 5, to accelerate in pipeline The flowing of fluid media (medium) promotes the heat exchange in impeller heat exchanger 11, cabin heat exchanger 9 and external heat exchanger 6, makes wheel hub 15 and machine Temperature in cabin 3 quickly reduces.
When the temperature in cabin 3 reaches the highest threshold temperature T of wind power generating set3When, wind power generating set stops fortune Row, avoids unit from breaking down because of high temperature.
During compressor emergency shutdown, continue to radiate to cabin and wheel hub using cooling system, when the temperature in cabin 3 from T3Fall back to T2When, at this moment the temperature in cabin 3 is no longer excessively high, cabin heat-exchanger rig is deactivated, further, it is also possible to further deactivate Electrodynamic pump 5.
When the temperature in cabin 3 is further from T2Fall back to T4When, wherein T4Less than T1, the temperature in cabin and wheel hub at this time Degree is all relatively low, can no longer radiate, thus can deactivate impeller radiator, and so far cooling system is out of service.
It should be noted that the temperature in real-time measurement wheel hub and cabin is needed during above-mentioned control process, therefore, Multiple temperature sensors of measurement temperature are provided in cooling system, temperature data can be transmitted to wind by these temperature sensors The power control cabinet of power Wind turbines, power control cabinet control each hot-swappable fans and the components such as heat exchanger and electrodynamic pump according to these data Operation, to control radiation processes.
According to another embodiment of the present invention, a kind of wind power generating set is additionally provided, which has upper It states cooling system and uses above-mentioned cooling control method, radiate to wheel hub, cabin and tower, maintain unit to be in and be suitable for hair Within the scope of the temperature of electricity.
Provided cooling system and method through the invention, in situation about being installed in each radiator in cabin Under, it realizes while radiating to wheel hub and cabin, simplify the assembly of wheel hub, and reduce the failure rate of radiator. In addition, suitable radiating mode can select according to the temperature change in wheel hub and cabin, automatic intelligent to radiation processes It is controlled.
A specific embodiment of the invention is described in detail above, although having show and described some implementations Example, it will be understood by those skilled in the art that defined by the claims and their equivalents of the invention not departing from It in the case where principle and spirit, can modify to these embodiments and perfect, these are modified and improve also should be in the present invention Protection scope in.

Claims (12)

1. a kind of cooling system for wind power generating set characterized by comprising
Impeller radiator is mounted in the cabin (3) of wind power generating set, and the heat in the wheel hub (15) of wind power generating set is empty Gas be introduced in the impeller radiator by guide duct (13) and with the fluid media (medium) in the impeller radiator Heat exchange;
Cabin heat dissipation device is mounted in the cabin (3), and the hot-air in the cabin (3) is inhaled into the cabin and dissipates Thermal simultaneously exchanges heat with the fluid media (medium) in the cabin heat dissipation device,
Wherein, the impeller radiator includes:
Impeller heat exchanger (11) makes hot-air and the fluid media (medium) heat exchange from the wheel hub (15) and arranges the air after cooling In to the cabin (3);
Impeller hot-swappable fans (12), by the guide duct (13) by the blowing hot air in the wheel hub (15) to the impeller Heat exchanger (11).
2. cooling system according to claim 1, which is characterized in that the cooling system further includes external radiating device, The external radiating device is mounted on the cabin (3) outside, with the cooling impeller radiator and the cabin heat dissipation device In the fluid media (medium) being heated.
3. cooling system according to claim 2, which is characterized in that the impeller radiator further include:
Pipeline, the trandfer fluid medium between the impeller heat exchanger (11) and the external radiating device.
4. cooling system according to claim 2, which is characterized in that the cabin heat dissipation device includes:
Cabin heat exchanger (9) makes hot-air and fluid media (medium) in the cabin (3) exchange heat and the air after cooling is discharged to machine In cabin (3);
Cabin hot-swappable fans (10), by the blowing hot air in the cabin (3) to the cabin heat exchanger (9);
Pipeline, the trandfer fluid medium between the cabin heat exchanger (9) and the external radiating device.
5. cooling system according to claim 3 or 4, which is characterized in that electrodynamic pump (5) are provided on the pipeline, So that fluid media (medium) flows in the pipeline.
6. cooling system according to claim 1, which is characterized in that the impeller radiator and cabin heat radiation dress Set the top being mounted in the cabin (3).
7. cooling system according to claim 2, which is characterized in that the external radiating device includes external heat exchanger (6), make to exchange heat from the impeller radiator and the received fluid media (medium) of the cabin heat dissipation device and outside air.
8. a kind of cooling control method for wind power generating set, which is characterized in that the cooling control method control is as weighed Benefit require any one of 1 to 7 described in cooling system operation, comprising:
Temperature in the wheel hub (15) reaches T1When, start the impeller radiator;
Temperature in the cabin (3) of wind power generating set, which reaches, compares T1Big T2When, start the cabin heat dissipation device;
Temperature in the cabin (3) reaches the highest threshold temperature T of wind power generating set3When, stop wind power generating set Machine;
Temperature in the cabin (3) is from T3Drop to T2When, deactivate the cabin heat dissipation device;
Temperature in the cabin (3) is from T2Drop to and compares T1Small T4When, deactivate the impeller radiator.
9. cooling control method according to claim 8, which is characterized in that the temperature in the wheel hub (15) reaches T1 When, start external radiating device.
10. cooling control method according to claim 9, which is characterized in that the temperature in the cabin (3) reaches ratio T2Greatly and compare T3Small T5When, start electrodynamic pump (5).
11. cooling control method according to claim 10, which is characterized in that temperature in the cabin (3) is from T3Under Drop to T2When, also deactivate the electrodynamic pump (5).
12. a kind of wind power generating set, which is characterized in that including the cooling system as described in any one of claims 1 to 7.
CN201611225516.1A 2016-12-27 2016-12-27 Wind power generating set and its cooling system and cooling control method Active CN106640555B (en)

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3421788A1 (en) * 2017-06-29 2019-01-02 Nissens A/S Integrally supported cooling device
CN108869204B (en) * 2018-05-22 2019-09-20 新疆金风科技股份有限公司 Cooling system, wind power generating set and heat dissipation support platform

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EP2143943A1 (en) * 2008-07-09 2010-01-13 Greenergy India Private Limited Wind turbine
CN101711311A (en) * 2007-04-30 2010-05-19 维斯塔斯风力系统有限公司 A wind turbine, a method for controlling the temperature of fluid flowing in a first temperature control system of a wind turbine and use
CN102171450A (en) * 2008-09-01 2011-08-31 斗山重工业株式会社 Nacelle cooling system for wind turbine
EP2505830A1 (en) * 2011-03-31 2012-10-03 Alstom Wind, S.L.U. Wind turbine
EP2743502A1 (en) * 2011-08-10 2014-06-18 Mitsubishi Heavy Industries, Ltd. Renewable energy type electric power generation device
EP2796712A1 (en) * 2013-04-26 2014-10-29 Mitsubishi Heavy Industries, Ltd. Wind turbine generator and method for cooling rotor hub of wind turbine generator

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1279746A (en) * 1997-12-08 2001-01-10 西门子公司 Wind power plant and method for cooling generator in a wind power plant
CN101711311A (en) * 2007-04-30 2010-05-19 维斯塔斯风力系统有限公司 A wind turbine, a method for controlling the temperature of fluid flowing in a first temperature control system of a wind turbine and use
EP2143943A1 (en) * 2008-07-09 2010-01-13 Greenergy India Private Limited Wind turbine
CN102171450A (en) * 2008-09-01 2011-08-31 斗山重工业株式会社 Nacelle cooling system for wind turbine
EP2505830A1 (en) * 2011-03-31 2012-10-03 Alstom Wind, S.L.U. Wind turbine
EP2743502A1 (en) * 2011-08-10 2014-06-18 Mitsubishi Heavy Industries, Ltd. Renewable energy type electric power generation device
EP2796712A1 (en) * 2013-04-26 2014-10-29 Mitsubishi Heavy Industries, Ltd. Wind turbine generator and method for cooling rotor hub of wind turbine generator

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