Journal of Electrical Engineering and Technology

  • 제12권4호
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  • Pages.1566-1574
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  • 2017
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  • 1975-0102(pISSN)
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  • 2093-7423(eISSN)
대한전기학회 (The Korean Institute of Electrical Engineers)
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Research on the Influence of Inter-turn Short Circuit Fault on the Temperature Field of Permanent Magnet Synchronous Motor

  • Qiu, Hongbo (Dept. of Electrical and Information Engineering, Zhengzhou University of Light Industry) ;
  • Yu, Wenfei (Dept. of Electrical and Information Engineering, Zhengzhou University of Light Industry) ;
  • Tang, Bingxia (Dept. of Electrical and Information Engineering, Zhengzhou University of Light Industry) ;
  • Yang, Cunxiang (Dept. of Electrical and Information Engineering, Zhengzhou University of Light Industry) ;
  • Zhao, Haiyang (Chongqing University of Posts and Telecommunications)
  • 투고 : 2016.10.06
  • 심사 : 2017.05.09
  • 발행 : 2017.07.01
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초록

When the inter-turn short circuit (ITSC) fault occurs, the distortion of the magnetic field is serious. The motor loss variations of each part are obvious, and the motor temperature field is also affected. In order to obtain the influence of the ITSC fault on the motor temperature distribution, firstly, the normal and the fault finite element models of the permanent magnet synchronous motor (PMSM) were established. The magnetic density distribution and the eddy current density distribution were analyzed, and the mechanism of loss change was revealed. The effects of different forms and degrees of the fault on the loss were obtained. Based on the loss analysis, the motor temperature field calculation model was established, and the motor temperature change considering the loop current was analyzed. The influence of the fault on the motor temperature distribution was revealed. The sensitivity factors that limit the motor continuous operation were obtained. Finally, the correctness of the simulation was verified by experiments. The conclusions obtained are of great significance for the fault and high temperature demagnetization of the permanent magnet analysis.

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참고문헌

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