Electronic Science and Technology ›› 2023, Vol. 36 ›› Issue (10): 24-31.doi: 10.16180/j.cnki.issn1007-7820.2023.10.004

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Research on EMI Synergy Analysis of New Energy Vehicle Motor Drive System

XU Zhijiang1,TAN Kangbo1,LI Min1,ZHAO Ziwen1,CHEN Tongshan2   

  1. 1. School of Electronic Engineering,Xidian University,Xi'an 710071,China
    2. Geely Automobile Group,Ningbo 315336,China
  • Received:2022-05-11 Online:2023-10-15 Published:2023-10-20
  • Supported by:
    National Natural Science Foundation of China(61086338)

Abstract:

In view of the electromagnetic interference problem of the motor drive system inside the electric vehicle, a prediction model of the electromagnetic interference of the vehicle motor drive system is established in this study. Based on the principle of electromagnetic compatibility, the electromagnetic interference mechanism of the in-vehicle motor drive system module is analyzed. The model of the IGBT power semiconductor device that causes interference in the module is constructed, and the influence of the parasitic parameters of the actual device is considered in the modeling process. Through the Simulink+Maxwell+Simplorer collaborative analysis technology, the electromagnetic interference signal acquisition of the motor drive system is realized. The comparison between the simulation and the measured data verifies the effectiveness of the method proposed in this study, and the errors of both are less than 10 dB.Based on the GB/T 18655-2018 electromagnetic compatibility standard, the results of the parts exceeding the standard are optimized and rectified.

Key words: new energy vehicle, motor drive system, electromagnetic interference, electromagnetic compatibility, permanent magnet synchronous motor, collaborative analysis, SVPWM algorithm, inverter

CLC Number: 

  • TN97