WO2019242182A1 - Système de dissipation de chaleur pour unité de générateur d'énergie éolienne et unité de générateur d'énergie éolienne - Google Patents

Système de dissipation de chaleur pour unité de générateur d'énergie éolienne et unité de générateur d'énergie éolienne Download PDF

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Publication number
WO2019242182A1
WO2019242182A1 PCT/CN2018/111643 CN2018111643W WO2019242182A1 WO 2019242182 A1 WO2019242182 A1 WO 2019242182A1 CN 2018111643 W CN2018111643 W CN 2018111643W WO 2019242182 A1 WO2019242182 A1 WO 2019242182A1
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WO
WIPO (PCT)
Prior art keywords
heat dissipation
hub
air
dissipation system
hole
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/CN2018/111643
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English (en)
Chinese (zh)
Inventor
尹冉
方涛
高杨
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.)
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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Filing date
Publication date
Application filed by Beijing Goldwind Science and Creation Windpower Equipment Co Ltd filed Critical Beijing Goldwind Science and Creation Windpower Equipment Co Ltd
Publication of WO2019242182A1 publication Critical patent/WO2019242182A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • 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
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20—Wind motors characterised by the driven apparatus
    • F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • 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 the technical field of wind power generation, in particular to a heat radiation system for a wind power generator and a wind power generator including the same.
  • the wheel hub is one of the important components of a wind turbine, and an electric control cabinet such as a pitch control cabinet is usually installed inside the wheel hub.
  • the components for example, controllers, capacitors, communication modules, etc.
  • the components installed in the electric control cabinet will generate heat during the operation of the wind turbine, and the generated heat will be dissipated into the hub. Due to the limited space inside the hub, the temperature inside the hub will increase as the components continue to generate heat. When the wind turbine is operating in a relatively high temperature environment (eg, summer), the temperature inside the hub can be higher.
  • the air duct can be provided to the position of the electric control cabinet, the air duct will occupy the internal space of the hub and cause maintenance personnel to inconveniently perform maintenance on other components in the hub.
  • the installation of air ducts will increase the cost of wind turbines and the difficulty of installation and maintenance.
  • an object of the present invention is to provide a heat radiation system for a wind power generator set and a wind power generator set to solve problems such as inconvenience of installation and maintenance in the existing heat radiation system.
  • a cooling system for a wind turbine may include a nacelle cover, a shroud, a hub, and a fixed shaft of the generator.
  • the fixed shaft of the generator is a hollow shaft formed with a through hole.
  • the heat dissipation system may include: an air inlet, the air inlet is formed on the nacelle cover; an air outlet, the air outlet is formed on the air guide cover; a air guide device, the air guide device is installed in the through hole, so as to enter from the air inlet The air flows through the through-holes and enters the hub to dissipate the wind turbine.
  • the deflector can be arranged near the nacelle side of the wind turbine. By placing the deflector close to the cabin side, maintenance and replacement of the deflector can be facilitated.
  • the deflector may be installed in the through hole by a mounting member, wherein the mounting member may include: a support frame, the support frame is fixed to the inner wall of the fixed shaft of the generator for supporting the deflector, and a fixing plate is provided.
  • the support frame is used for holding the deflector.
  • the heat dissipation system may further include a sealing plate, which may be installed in the stator shaft of the generator, for sealing a portion of the radial section of the through hole other than the portion occupied by the flow guide device to prevent flowing into the hub Air returns.
  • a sealing plate By providing a sealing plate, air can be prevented from flowing back, so the heat radiation effect of the hub can be improved.
  • the sealing plate can be fixed on the support frame.
  • the flow guiding device may be coaxially provided with the through hole, and the support frame may be located at a lower portion of the through hole, wherein the upper portion of the through hole may be installed with a sealing plate mounting frame, and the sealing plate may be fixed on the sealing plate mounting frame.
  • the support frame and the seal plate mounting frame can improve the installation stability of the seal plate.
  • the heat dissipation system may further include a wind deflector, and the wind deflector may be disposed at the front of the hub for changing the flow direction of the air entering the hub through the air guiding device.
  • the air inlet can be formed at the rear of the nacelle cover, and an air inlet damper and a filter are provided.
  • an air inlet damper and a filter are provided.
  • an exhaust port may be formed on a portion of the hub near the generator side of the wind turbine, and an exhaust port damper may be provided on the exhaust port.
  • An exhaust air damper is installed on the hub to prevent unfiltered outside air from flowing into the hub when the heat dissipation system is not running.
  • the air outlet may be formed between the shroud and a root of a blade of the wind power generator set.
  • the heat dissipation system may further include a heat dissipation control cabinet and a temperature sensor, and the temperature sensor is disposed in the hub, wherein the heat dissipation control cabinet may control the air inlet damper, the air outlet damper, and the diversion based on the temperature value sensed by the temperature sensor. Turn the device on and off.
  • a wind turbine is provided, wherein the wind turbine includes a heat dissipation system as described above.
  • the flow guide device by installing the flow guide device in a through hole of the fixed shaft of the generator, the flow guide device can be prevented from rotating with the hub, so the service life of the flow guide device can be extended, and the flow guide device can be facilitated. Perform maintenance and replacement.
  • the heat dissipation system of the present invention by providing a flow guide device in the through hole of the fixed shaft of the generator and by providing a windshield at the front end of the hub, the airflow direction is changed so that the air flows through the heat source in the hub without additional installation. Ventilation ducts, thus reducing the cost of wind turbines.
  • external air can flow through the base, the generator stator shaft, and the hub after flowing into the cabin, so the engine compartment, the base, the generator stator shaft, and the hub can be dissipated at the same time, and Electrical components and other components on the circulation path provide a suitable temperature environment, which can extend the service life of the electrical components and other components and improve reliability.
  • FIG. 1 is a schematic diagram illustrating a heat dissipation system for a wind turbine according to an embodiment of the present invention.
  • FIG. 2 is a schematic view showing that a flow guide device of a heat dissipation system according to an embodiment of the present invention is installed in a through hole.
  • FIG. 2 3 and 4 are side views showing FIG. 2.
  • 10 nacelle cover; 11: air inlet damper; 12: filter; 20: shroud; 30: wheel hub; 31: pitch control cabinet; 32: air outlet damper; 33: windshield; 34: temperature Sensor: 40: tower; 50: base; 60: generator; 61: generator fixed shaft; 61a: coupling protrusion; 62: sealing plate; 62a: support rod; 62b: connecting rod; 62c: handle; 70: blade 80: guide device; 81: support frame; 81a: support rod; 81b: fixed rod; 81c: connecting rod; 81d: reinforced rod; 82: fixed plate; 90: heat dissipation control cabinet.
  • the wind turbine may include a nacelle cover 10, a shroud 20, a hub 30, a tower 40, a base 50, a generator 60, a blade 70, and the like.
  • the nacelle cover 10 may form a nacelle for accommodating various components of a wind turbine.
  • the base 50 may be provided in the nacelle, and may be formed with a base opening for operation and maintenance personnel to pass through.
  • the blades 70 may be mounted on the hub 30 and rotate together with the hub 30.
  • the shroud 20 may be installed on the front side of the nacelle for protecting the hub 30. Internal components such as a pitch control cabinet 31 may be installed in the hub 30 to control the operation of the wind turbine.
  • the generator 60 may include a generator fixed shaft 61.
  • the generator fixed shaft 61 may be a hollow shaft formed with a through hole, and the through hole is an original through hole for the operation and maintenance personnel of the generator fixed shaft 61.
  • the nacelle cover 10, the shroud 20, the hub 30, the base 50, the generator 60 and the blade 70 may be supported by the tower 40.
  • the heat dissipation system may include an air inlet, an air outlet, and a flow guiding device 80.
  • the air inlet may be formed on the nacelle cover 10.
  • the air outlet may be formed on the air shroud 20.
  • the deflector 80 may be installed in the through hole.
  • the original through hole of the fixed shaft 61 of the generator can be used for installing the air guiding device 80 and can be used as a passage for air circulation without forming another air duct.
  • the deflector 80 allows the air entering from the air inlet to flow into the hub 30 through the through hole, thereby dissipating heat from the wind turbine.
  • the heat dissipation system according to the present invention may be an air-cooled system that uses external air to dissipate the wind power generator set.
  • the external air can flow into the cabin through the air inlet, and can flow into the hub 30 through the opening of the base and the through hole under the action of the air guiding device 80.
  • the external air flowing into the hub 30 exchanges heat with the air in the hub 30, and the heat-exchanged air can be discharged through the air outlet, so that internal components such as the hub 30 and the pitch control cabinet 31 provided in the hub 30 can be exchanged. Cooling.
  • the air inlet may be formed at the tail portion (specifically, the side portion or the lower portion) of the cabin cover 10 to prevent rainwater or the like from flowing into the cabin.
  • the air inlet may be provided with an air inlet damper 11 and a filter 12.
  • the air inlet damper 11 may be installed at the air inlet of the nacelle cover 10 through a flange or the like, for example.
  • the air inlet damper 11 may be an electric damper or a mechanical check valve, etc., and may be controlled in linkage with the flow guiding device 80.
  • the air inlet damper 11 can be opened when the cooling system is activated to allow external air to flow into the cabin, and can be closed when the cooling system is stopped to prevent external air from flowing into the cabin.
  • the air inlet damper 11 may be opened before the deflector 80 is activated, and may be closed after the deflector 80 is stopped.
  • the filter 12 may be mounted on the air inlet damper 11 through a flange or the like.
  • the filter 12 can be used to filter particulates in the external air to avoid the introduction of dust to the internal environment and electrical control components of the wind turbine.
  • the filter 12 can avoid contact with the outside air for a long time by closing the air inlet damper 11, so the service life of the filter 12 can be extended.
  • the air outlet may be formed on the air shroud 20. Specifically, the air outlet may be formed between the shroud 20 and the root of the blade 70. In other words, the air outlet can be an original gap between the shroud 20 and the root of the blade 70, and does not need to be formed separately.
  • an exhaust port may be formed on a portion of the hub 30 near the generator side, so that the air flowing into the hub 30 smoothly flows through the hub 30 to the air outlet.
  • the air outlet may be an existing opening formed by the hub 30 for weight reduction. That is to say, the original opening on the hub 30 can be used as an air outlet without being formed separately.
  • An air outlet damper 32 may be provided on the air outlet.
  • the air outlet damper 32 may be mounted on the hub 30 through, for example, a flange or the like. Similar to the air inlet damper 11, the air outlet damper 32 can also be an electric damper or a mechanical check valve, etc., and can be controlled in conjunction with the air guiding device 80.
  • the exhaust air damper 32 may be opened when the heat dissipation system is activated to allow air to flow out of the hub 30, and may be closed when the heat dissipation system is stopped to prevent outside air from entering the hub 30.
  • the air outlet damper 32 may be opened before the deflector 80 is activated, and may be closed after the deflector 80 is stopped.
  • the front of the hub 30 may be provided with a windshield 33 for changing the air flow direction.
  • the air whose flow direction is changed may be discharged through the air outlet through the pitch control cabinet 31 provided in the hub 30.
  • the heat dissipation system may further include a heat dissipation control cabinet 90.
  • the heat dissipation control cabinet 90 may be disposed in the cabin to avoid raising the temperature in the hub 30, but is not limited thereto.
  • the heat dissipation system may further include a temperature sensor 34, and the temperature sensor 34 may be disposed in the hub 30 for sensing the temperature in the hub 30 in real time.
  • the heat dissipation control cabinet 90 can control the opening of the air guiding device 80 and the air inlet air valve 11 and the air outlet air valve 32 according to the temperature value sensed by the temperature sensor 34.
  • the heat dissipation control cabinet 90 can control the opening of the air guiding device 80 and the air inlet valve 11 and the air outlet valve 32.
  • the heat dissipation control cabinet 90 can control the diversion device 80 and the air inlet air valve 11 and the air outlet air valve 32 to be closed.
  • the term “opening” includes controlling the opening degree of the air inlet damper 11 and the air outlet damper 32 and the operating power of the deflector 80 according to the temperature value sensed by the temperature sensor 34.
  • the above set value may be subdivided into a first set value and a second set value, and the second set value is greater than the first set value.
  • the controller may control the air inlet air valve 11 and the air outlet air valve 32 to be partially opened and control the air guiding device 80 to operate in the first Power operation; when the temperature value sensed by the temperature sensor 34 is greater than the second set value, the controller can control the air inlet valve 11 and the air outlet valve 32 to be fully opened and control the deflector 80 to be larger than the first operating power. Second operating power operation. Therefore, appropriately adjusting the amount of air entering the hub 30 according to the temperature value sensed by the temperature sensor 34 can save energy.
  • the above set values are not limited to the first set value and the second set value.
  • the opening degree of the air inlet valve 11 and the air outlet valve 32 and the operating power of the deflector 80 can be adaptively designed according to actual conditions .
  • the deflector 80 may be a power component for the air flow of the heat dissipation system, and its role is to overcome the resistance of the entire heat dissipation airflow path to drive the air flow. Under the effect of the pressure difference, the external air is introduced into the hub 30 and is connected with the hub The heat exchanged air within 30 is discharged to the outside of the wind turbine. Preferably, the directions of the incoming air and the outgoing air of the air guiding device 80 can be the same to better guide the air flow.
  • the deflector 80 may be a fan, and preferably, it may be an axial fan.
  • the structure of the deflector 80 is not limited to this, and may be a centrifugal fan or the like, or other devices other than the fan, as long as the airflow can flow through the through hole and enter the hub 30.
  • the deflector 80 may be disposed in the through hole.
  • the deflector 80 may be disposed near the cabin side to facilitate installation and maintenance.
  • the air inlet of the air guiding device 80 may be flush with the end surface of the generator stator shaft 61 near the nacelle side.
  • the installation position of the deflector 80 is not specifically limited, as long as the air entering from the air inlet can flow through the through hole and enter the hub 30.
  • the deflector 80 may be installed in the through hole by a mounting member.
  • the mounting member may be configured such that the deflector 80 is arranged coaxially with the through hole to more efficiently guide the air.
  • the mounting member may include a support frame 81 and a fixing plate 82.
  • the support bracket 81 may be provided at a lower portion of the through hole and fixed to an inner wall of the generator fixed shaft 61.
  • the fixing plate 82 may be disposed on the supporting frame 81.
  • the support frame 81 may include two support rods 81a, two fixing rods 81b, and two connection rods 81c.
  • the two fixing rods 81b may be oppositely disposed
  • the two connecting rods 81c may be oppositely disposed
  • the two fixing rods 81b and the two connecting rods 81c are connected end to end to form a quadrangular frame.
  • the first ends of the two support rods 81 a may be coupled to two vertices on the same side of the quadrangular frame, and the second ends of the two support rods 81 a may be fixed to two coupling protrusions 61 a on the inner wall of the stator shaft 61 of the generator.
  • the deflector 80 may be fixed to the two fixing rods 81b by fasteners such as bolts.
  • the fixing plate 82 may be provided on the two fixing rods 81b.
  • the fixing plate 82 may have an edge portion corresponding to an outer surface of the flow guiding device 80 to hold the flow guiding device 80.
  • the mounting member may further include two reinforcing rods 81d.
  • the reinforcing rod 81d may connect the supporting rod 81a and the connecting rod 81c to form a triangle-like structure, and thus may enhance stability.
  • mounting member Although the specific structure of the mounting member has been described above, it is not limited thereto, and other mounting members capable of mounting the flow guiding device 80 in the through hole may be used.
  • the heat dissipation system may further include a sealing plate 62.
  • the sealing plate 62 may be installed in the stator shaft 61 of the generator, and may seal a portion of the radial section of the through hole other than the portion occupied by the flow guide device 80.
  • the sealing plate 62 may be flush with the air inlet of the air guiding device to facilitate installation and maintenance.
  • the sealing plate 62 may be installed in the through hole through the support frame 81.
  • the sealing plate 62 may be mounted to the support rod 81a.
  • a sealing plate mounting bracket may be provided in order to stably mount the sealing plate 62.
  • the seal plate mounting frame may be arranged opposite to the support frame 81 in the circumferential direction of the stator shaft 61 of the generator, that is, mounted on an upper portion of the through hole.
  • the seal plate mounting bracket may include two support rods 62a and a connecting rod 62b.
  • the first ends of the two support rods 62a may be connected to the connecting rod 62b, and the second ends of the two support rods 62a may be fixed to two coupling protrusions 61a on the inner wall of the fixed shaft 61 of the generator.
  • the sealing plate 62 may be mounted on the two support rods 62a by a fastener.
  • the support frame 81 and the sealing plate mounting frame divide the cross section of the through hole into a plurality of sections, and the sealing plate 62 may have a plurality of corresponding sections to seal the radial section of the through hole in addition to the guide.
  • a handle 62c may be provided on the sealing plate 62 to facilitate installation and removal.
  • the sealing plate 62 is installed at the through hole through the support frame 81 and the sealing plate mounting frame, it is not limited thereto, and the sealing plate 62 may also be installed in other forms.
  • the sealing plate 62 may be formed with a coupling portion that can be combined with a coupling protrusion 61 a on an inner wall of the generator fixed shaft 61, thereby mounting the sealable plate 62 in the generator fixed shaft 61.
  • FIG. 1 illustrates the flow of air in the manner of arrows.
  • the heat dissipation control cabinet 90 sends out control signals for controlling the opening of the air guiding device 80 and the air inlet air valve 11 and the air outlet air valve 32.
  • the air inlet damper 11 and the air outlet damper 32 are opened, and the deflector 80 starts to operate. After the deflector 80 is operated, external air can flow from the air inlet through the air inlet damper 11 and the filter 12 into the cabin and the base 50 due to the pressure difference between the front and back.
  • the through hole of the generator stator shaft 61 flows into the hub 30.
  • the air flowing out of the through hole of the stator shaft 61 of the generator can have a predetermined pressure and wind speed, and can directly flow to the wind deflector 33.
  • the airflow can be changed, so that the air outlet damper 32 that can flow through the hub 30 is discharged to the outside of the hub 30.
  • the air discharged to the outside of the hub 30 may be discharged to the outside of the wind turbine generator through an air outlet formed between the shroud 20 and the root of the blade 70.
  • the outside air can enter into the hub 30 and flow in the hub 30, and can exchange heat with the air in the hub 30. Therefore, the temperature of the air in the hub 30 can be reduced, so that the hub 30 and the Internal components such as the pitch control cabinet 31 dissipate heat.
  • the heat dissipation control cabinet 90 sends out control signals for controlling the closing of the air guiding device 80 and the air inlet valve 11 and the air outlet valve 32.
  • the air inlet damper 11 and the air outlet damper 32 are closed, and the deflector 80 is stopped.
  • the flow guide device by installing the flow guide device in a through hole of the fixed shaft of the generator, the flow guide device can be prevented from rotating with the hub, so the service life of the flow guide device can be extended, and the flow guide device can be facilitated. Perform maintenance and replacement.
  • the heat dissipation system of the present invention by providing a flow guide device in the through hole of the fixed shaft of the generator and by providing a windshield at the front end of the hub, the airflow direction is changed so that the air flows through the heat source in the hub without additional installation. Ventilation ducts, thus reducing the cost of wind turbines.
  • external air can flow through the base, the generator stator shaft, and the hub after flowing into the cabin, so the engine compartment, the base, the generator stator shaft, and the hub can be radiated at the same time, and
  • the electrical components and other components on the circulation path provide a suitable temperature environment, thereby extending the service life of the electrical components and other components and improving reliability.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Wind Motors (AREA)
  • Motor Or Generator Cooling System (AREA)

Abstract

L'invention concerne un système de dissipation de chaleur pour une unité de générateur d'énergie éolienne et une unité de générateur d'énergie éolienne. L'unité de générateur d'énergie éolienne comprend un couvercle de cabine (10), un couvercle de guidage d'écoulement (20), un moyeu (30) et un arbre fixe de générateur (61), l'arbre fixe de générateur (61) étant un arbre creux formé avec un trou traversant. Le système de dissipation de chaleur comprend : une entrée d'air formée sur le couvercle de cabine (10); une sortie d'air formée sur le couvercle de guidage d'écoulement (20); et un dispositif de guidage d'écoulement (80). Le dispositif de guidage d'écoulement (80) est monté dans le trou traversant, de sorte que l'air entrant à partir de l'entrée d'air s'écoule à travers le trou traversant et pénètre dans le moyeu (30), de façon à dissiper la chaleur provenant de l'unité de générateur d'énergie éolienne. En montant le dispositif de guidage d'écoulement (80) dans le trou traversant de l'arbre fixe de générateur (61), le système de dissipation de chaleur peut empêcher le dispositif de guidage d'écoulement (80) de tourner avec le moyeu (30), prolongeant ainsi la durée de vie du dispositif de guidage d'écoulement (80), et facilitant l'entretien et le remplacement du dispositif de guidage d'écoulement (80).
PCT/CN2018/111643 2018-06-22 2018-10-24 Système de dissipation de chaleur pour unité de générateur d'énergie éolienne et unité de générateur d'énergie éolienne Ceased WO2019242182A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810654556.0 2018-06-22
CN201810654556.0A CN108843524B (zh) 2018-06-22 2018-06-22 用于风力发电机组的散热系统及风力发电机组

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WO2019242182A1 true WO2019242182A1 (fr) 2019-12-26

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WO2026057898A1 (fr) * 2024-09-11 2026-03-19 Surion Wind Systems, S.L. Nacelle ventilée d'aérogénérateur

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CN111749859A (zh) * 2019-03-26 2020-10-09 北京金风科创风电设备有限公司 风力发电机组及其散热系统、散热系统控制方法
CN110345012B (zh) * 2019-07-05 2020-10-30 湖南城市学院 一种便于散热的风力发电设备
CN111677638B (zh) * 2020-06-21 2021-07-13 嘉兴学院 一种风力发电机用内置降温装置
CN114658607B (zh) * 2020-12-22 2024-10-29 北京金风科创风电设备有限公司 风力发电机组
CN112896478A (zh) * 2021-02-08 2021-06-04 广西玉柴机器股份有限公司 船用推进系统
CN113153664A (zh) * 2021-04-23 2021-07-23 江苏迈景环保科技有限公司 一种横向浮动式风电叶片机舱罩
CN113623133B (zh) * 2021-10-12 2021-12-03 江苏利润友机械科技有限公司 一种具有防护功能的风电场功率控制装置
CN115419561B (zh) * 2022-09-01 2024-08-13 燕山大学 一种便于散热的风力发电机
CN117967532B (zh) * 2024-04-02 2024-06-11 国网山东省电力公司莱州市供电公司 一种风力发电机散热装置
CN118959258B (zh) * 2024-10-17 2025-01-28 大唐景泰新能源有限公司 一种风力发电机冷却回路

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