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Open-Circuit Fault-Tolerant Control of Five-Phase PM Machine Based on Reconfiguring Maximum Round Magnetomotive Force

机器翻译基于重构最大圆磁电动势的五相永磁电机开路容错控制

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【摘要】This paper investigates the open-circuit fault-tolerant current control for a five-phase fault-tolerant permanent-magnet (PM) machine used for electric vehicles. By relieving the common constraint of zero neutral point current in the existing fault-tolerant control strategies and reconfiguring the maximum round rotating magnetomotive force under different fault conditions, the new current sets, which enable the five-phase PM machine to output the maximum smooth torque, are obtained by the analytical method. Compared with the existing fault-tolerant control strategy, larger torque and lower torque ripple can be obtained with the proposed fault-tolerant control strategy, and the five-phase PM machine can safely operate with the loss of up to three phase windings. The proposed fault-tolerant control strategy is verified by both finite-element analysis and experimental results. The developed fault-tolerant current control strategy can be generalized into any multiphase PM machines.

【作者】Yi Sui; Ping Zheng; Zuosheng Yin; Mingqiao Wang; Chuanze Wang;

【作者单位】School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin, China; School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin, China; School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin, China; School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin, China; School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin, China;

【年(卷),期】2019,66,1

【页码】48-59

【总页数】12

【正文语种】eng

【中图分类】;

【关键词】Torque; Fault tolerance; Fault tolerant systems; Windings; Circuit faults; Torque measurement; Stator windings;