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Research on Temperature Rise Characteristics of Vehicle Motors Under Bench Working Condition

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Abstract

The specific bench test specified by the product design standard is an important basis for judging whether the vehicle motor meets the requirements. To study the temperature rise characteristics of automotive permanent magnet synchronous motors under bench test conditions. Firstly, the bench condition was taken as the target we need to study, and the finite element method was used to calculate the loss of each part during the bench test condition. Secondly, use this loss as the heat source for temperature field calculation to simulate the temperature field of the motor under bench test conditions. Finally, a bench test platform was built for testing, and the test results and simulation results were compared and analyzed. Studies have shown that in the entire process of changing conditions, the temperature of each component is not the same as the sensitivity to changes in operating conditions. The maximum relative error between simulation and experiment was 9.4%, which verifies the effectiveness of this research method and process, which has certain guiding significance for the design and optimization of vehicle motors.

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Acknowledgements

This study is supported by the Graduate Student Innovation Program of Chongqing University of Technology (Grant No: clgycx 20201003), the Key Laboratory of Expressway Construction Machinery of Shaanxi Province Open Fund Project (Grant No: 300102251507), the China Postdoctoral Science Foundation-funded Project (Grant No: 2019M663443), and the Youth Project of Science and Technology Research Program of Chongqing Education Commission of China (Grant No: KJQN201901113).

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Authors and Affiliations

  1. School of Vehicle Engineering, Chongqing University of Technology, Chongqing, China

    Liange He, Wenjun Shi, Xinyang Wu, Hongling Chen & Xin Yan

  2. Chongqing Tsingshan Industrial, Chongqing, China

    Liange He

  3. Key Laboratory of Advanced Manufacturing Technology for Automobile Parts, Ministry of Education, Chongqing University of Technology, Chongqing, China

    Liange He

  4. Key Laboratory of Expressway Construction Machinery of Shaanxi Province, Xi’an, China

    Xiaohua Xia

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  1. Liange He
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  2. Wenjun Shi
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  3. Xiaohua Xia
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  4. Xinyang Wu
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  5. Hongling Chen
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  6. Xin Yan
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Correspondence to Xiaohua Xia.

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He, L., Shi, W., Xia, X. et al. Research on Temperature Rise Characteristics of Vehicle Motors Under Bench Working Condition. J. Electr. Eng. Technol. 16, 3135–3143 (2021). https://doi.org/10.1007/s42835-021-00853-y

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  • DOI: https://doi.org/10.1007/s42835-021-00853-y

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