Broadband Electromagnetic Compatibility Modeling for Three-Phase Synchronous Motor of Armored Vehicle

被引：0
|
作者：
Xiong Y. [1 ]
Li X. [1 ]
Zhou W. [2 ]
Li N. [1 ]
Jiao M. [1 ]
Li Y. [1 ]
Du X. [1 ]
Nie X. [1 ]
Ji X. [3 ]
机构：
[1] EMC Laboratory, China North Vehicle Research Institute, Beijing
[2] Beijing Military Delegation Office of the Army, Beijing
[3] Research Institute for Armored Forces, Beijing
来源：
Binggong Xuebao/Acta Armamentarii | 2022年 / 43卷 / 07期
关键词：
armored vehicle; electric drive system; electromagnetic compatibility; high-frequency equivalent circuit model; three-phase synchronous motor;
D O I：
10.12382/bgxb.2021.0387
中图分类号：
学科分类号：
摘要：
Broadband and high-amplitude electromagnetic interference exists in the working process of an electric drive system,posing a significant threat to the system itself and other electronic and electrical equipment. This paper proposes an innovative method for modeling the three-phase synchronous motor while taking the parasitic effect of interference into consideration. The method can help researchers analyze EMI risks and improve the system. First,the frequency domain characteristics of the common-mode and differential-mode impedance of the motor's three-phase port are obtained upon tests. Then,the characteristics of the single-phase common-mode and differential-mode impedance of the motor are obtained upon mathematical derivation,and high-frequency equivalent circuit models of the single-phase port of the motor are developed through vector fitting. Finally,a complete three-phase circuit model of the motor is constructed based on star connection of single-phase equivalent circuits. Based on this method, an equivalent model of a 140 kW permanent magnet synchronous motor is built,and the accuracy of the model is validated by tests. Results show that this method is compatible with a wide frequency range and has good convergence and high accuracy, and can be cascaded with other electronic and electrical modules to form a complete electric drive system model. The innovative and practical approach can effectively support fast analysis and prediction of system-level EMI and electromagnetic sensitivity. © 2022 China Ordnance Society. All rights reserved.
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页码：1467 / 1477
页数：10
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