Thermal analysis on auxiliary cooling sections of a permanent magnet direct-driven wind turbine

WANG Dinghui; LIU Guanglin; YANG Huaiyu

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Thermal analysis on auxiliary cooling sections of a permanent magnet direct-driven wind turbine

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- Thermal analysis on auxiliary cooling sections of a permanent magnet direct-driven wind turbine
- Thermal Power Generation Vol. 43, Issue 1, Pages: 118-121(2014)
- 作者机构：
  
  1. 国电联合动力技术有限公司
  2. 华北电力大学低品位能源多相流与传热北京市重点实验室
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM315
- Published：2014
- 稿件说明：
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WANG Dinghui, LIU Guanglin, YANG Huaiyu. Thermal analysis on auxiliary cooling sections of a permanent magnet direct-driven wind turbine[J]. Thermal power generation, 2014, 43(1): 118-121.
DOI：

WANG Dinghui, LIU Guanglin, YANG Huaiyu. Thermal analysis on auxiliary cooling sections of a permanent magnet direct-driven wind turbine[J]. Thermal power generation, 2014, 43(1): 118-121. DOI：

摘要

以某2.5MW永磁直驱风力发电机热损值为依据

针对100、150、200、250、300mm5种不同管径辅助散热段的散热效果进行了仿真计算。结果表明:阶增加辅助散热段可有效利用风场自然风对发电机进行散热;在单管管径为100mm时

其辅助散热段散热量最高

占总散热量的41.8%

其单位重量热负荷为16.11 W/kg。因此通过增加辅助散热段

可利用风电场优越自然风对发电机进行间接散热

有效减小原有板式换热器占用机舱的空间。

Abstract

On the basis of heat loss of a 2.5MW permanent magnet direct-driven wind power generator

numerical simulation on heat dissipation effects of the auxiliary cooling sections with tube diameter of 100mm

150mm

200mm

250mm and 300mm were performed.The results showed that

the heat dissipation of each auxiliary cooling section was 41%

25.3%

31.3%

23.3% and 19.8%of the total heat dissipation of each plate heat exchanger

respectively.The heat load per unit mass of the auxiliary cooling section with tube diameter of 100mm was 16.11W/kg.Therefore

by adding auxiliary cooling section

the superior natural wind from wind farm can be used to cool the generator indirectly

thus to effectively attenuate the space that the plate heat exchanger occupied.

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