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Thermal performance analysis of a 30 kW switched reluctance motor

机译：30 kW开关磁阻电动机的热性能分析

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摘要

The cooling performance of a 30 kW switched reluctance motor (SRM) has been evaluated numerically to investigate the cooling design for this motor. The physical model of the 3D motor with exact size has been established using Solidworks. Both JMAG-Designer and ANSYS-FLUENT commercial software were employed to study the electromagnetics, velocity and temperature field for numerical analysis. Aluminum cooling fins were fitted on the cooling casing of the motor in order to enhance the convection heat transfer. Fin design with the same heat transfer area has been discussed. Both air cool and water cool designs of the 30 kW SRM have been examined and discussed for comparison as well. Results show that the maximum temperature in SRM cannot be reduced to a requested operating temperature with air cooling only even with fin design on the casing. They also indicate that liquid cooling is a better approach for SRM cooling. In addition, the Reynolds number of liquid coolant is the key parameter which affects the thermal cooling of SRM. In present study, the temperature rise of motor winding in SRM has been reduced to 42% with liquid water cooling and the maximum temperature in SRM is approximately 128.8 °C.
机译：已对30 kW开关磁阻电机（SRM）的冷却性能进行了数值评估，以研究该电机的冷却设计。使用Solidworks已经建立了尺寸精确的3D电动机的物理模型。使用JMAG-Designer和ANSYS-FLUENT商业软件对电磁场，速度场和温度场进行研究以进行数值分析。铝制散热片安装在电动机的冷却箱上，以增强对流传热。讨论了具有相同传热面积的散热片设计。 30 kW SRM的风冷和水冷设计都经过检查和讨论以进行比较。结果表明，即使采用壳体上的散热片设计，也无法通过空气冷却将SRM中的最高温度降低到要求的工作温度。他们还表明，液体冷却是SRM冷却的更好方法。此外，液态冷却剂的雷诺数是影响SRM热冷却的关键参数。在目前的研究中，通过液态水冷却，SRM中的电机绕组的温度升高已降低至42％，SRM中的最高温度约为128.8°C。

著录项

  • 来源
    《International Journal of Heat and Mass Transfer》 |2017年第11期|145-154|共10页
  • 作者

    Chiu Hanchieh; Jang Jerhuan; Yan Weimon; Shiao Rueibin;

  • 作者单位

    Department of Mechanical Engineering, Taipei City University of Science and Technology, Taipei, Taiwan;

    Department of Mechanical Engineering/Battery Research Center of Green Energy, Ming Chi University of Technology, New Taipei City, Taiwan,Department of Mechanical Engineering, Chang Gung University, Taoyuann, Taiwan;

    Department of Mechanical Engineering, Taipei City University of Science and Technology, Taipei, Taiwan;

    Department of Energy and Refrigerating Air-Conditioning Engineering, National Taipei University of Technology, Taipei, Taiwan;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Air cooling; Fin design; Liquid cooling; Switched reluctance motor; Thermal performance;

    机译：空气冷却;散热片设计;液体冷却;开关磁阻电机;热性能;

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