Research of the Cooling Performance of Wind Generator under Radial Multiple Structure Features

DING Shu-ye; XIA Lei; LIU Jian-feng; WANG Yue; LIU Ye

doi:10.15938/j.jhust.2018.06.011

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Research of the Cooling Performance of Wind Generator under Radial Multiple Structure Features

更新时间：2026-08-31

- Research of the Cooling Performance of Wind Generator under Radial Multiple Structure Features
- Vol. 23, Issue 6, Pages: 57-61(2018)
- 作者机构：
  
  哈尔滨理工大学电气与电子工程学院,哈尔滨,150080
- 作者简介：
- 基金信息：
- DOI：10.15938/j.jhust.2018.06.011
  CLC： TM315
- Published：2018
- 稿件说明：
移动端阅览
DING Shu-ye, XIA Lei, LIU Jian-feng, et al. Research of the Cooling Performance of Wind Generator under Radial Multiple Structure Features[J]. 2018, 23(6): 57-61.
DOI：

DING Shu-ye, XIA Lei, LIU Jian-feng, et al. Research of the Cooling Performance of Wind Generator under Radial Multiple Structure Features[J]. 2018, 23(6): 57-61. DOI： 10.15938/j.jhust.2018.06.011.

摘要

摘要:为了提升风力发电机的通风冷却性能，降低其运行时的温升，以一台3MW永磁风力发电机为例，结合发电机的通风冷却性能及结构特点，在基本假设的基础上，建立发电机定转子流固耦合的三维物理模型，并给出求解条件。根据流体力学以及传热学理论

采用有限体积元法对电机内流体场与温度场进行了数值计算。同时，对径向通风沟提出了多种结构方案，并对不同方案下电机内流体流动特性及各主要部件温升进行了对比分析。研究结果表明：在一定范围内通过减小径向通风沟的轴向尺寸，能有效提高电机的冷却效果。当采用结构方案Ⅲ时，求解域内最高温升较原模型低604K。

Abstract

Abstract:In order to improve cooling effects of permanent magnet wind generator and reduce the operation temperature

a 3 MW permanent magnet wind generator was taken as an example

physical model of three dimensional stator and rotor fluid solid coupled was established on the basis of the basic assumptions considering ventilation characteristics and structure feature of generator

and the solution conditions was given.According to hydromechanics and heat transfer theory

temperature field and fluid field was calculated numerically using finite volume method.At the same time

some structures were proposed in view of radial ventilation ducts

and the fluid flow performance and main components temperature of different schemes were analyzed.The results indicate that

by reducing the axial size of the radial ventilation duct can effectively improve the cooling performance of the motor.The maximum temperature rise in solution was 6.04K lower than the original one when adopt schemeⅢ.

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