Control and fault-tolerant operation of TPOW-PMSM for electric vehicle

被引：0
|
作者：
Zhang H.-S. [1 ]
Li Z.-M. [1 ]
Bian D.-X. [1 ]
Xing X.-N. [1 ]
机构：
[1] School of Electrical and Electronic Engineering, Shandong University of Technology, Zibo
来源：
Jilin Daxue Xuebao (Gongxueban)/Journal of Jilin University (Engineering and Technology Edition) | 2020年 / 50卷 / 03期
关键词：
Fault tolerant control; Space vector pulse width modulation (SVPWM); TPOW-PMSM; Vehicle engineering;
D O I：
10.13229/j.cnki.jdxbgxb20190033
中图分类号：
学科分类号：
摘要：
A new electric vehicle (EV) integrated driving and charging topology was designed. The mathematical model of three phase open winding permanent magnet synchronous motor (TPOW-PMSM) in the two-phase rotating d and q coordinate system was established. The voltage space vector distribution of two parallel inverters supplied by a single power supply was analyzed. When the system is in normal operation state, a medium vector hexagon (MVH) space vector pulse width modulation (SVPWM) control strategy was adopted, the speed and current double closed-loop vector control system was designed, which could realize non-zero-sequence voltage operation of the system. Taking single-tube fault and fault phase open-circuit as an example, the voltage space vector distribution after fault of two parallel inverters was studied, and the two parallel inverters could be topologically reconstructed into two-phase 2H-bridge inverter. An improved small vector hexagonal (SVH) SVPWM control strategy was proposed and the implementation method was given. The simulation waveforms and experimental results of TPOW-PMSM system show that the proposed control strategy can ensure the TPOW-PMSM system to keep good operation before and after fault tolerance. The effectiveness and correctness of the proposed control strategy is verified, which guarantee the reliable operation of the system. © 2020, Jilin University Press. All right reserved.
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页码：784 / 795
页数：11
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