Fault-Tolerant Control for Reducing Harmonic Distortion of Dual Three-Phase Permanent Magnet Synchronous Motor

Liping Zhao, Baojun Ge, Hanying Gao and Dajun Tao
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Liping Zhao: School of Electrical and Electronic Engineering, Harbin University of Science and Technology, Harbin 150080, China
Baojun Ge: School of Electrical and Electronic Engineering, Harbin University of Science and Technology, Harbin 150080, China
Hanying Gao: School of Electrical and Electronic Engineering, Harbin University of Science and Technology, Harbin 150080, China
Dajun Tao: School of Electrical and Electronic Engineering, Harbin University of Science and Technology, Harbin 150080, China

Energies, 2022, vol. 15, issue 11, 1-20

Abstract: Aiming at the open circuit fault of a dual three-phase permanent magnet synchronous motor, a normalized current method is used for open circuit fault diagnosis. Then, a fault-tolerant control strategy for reducing the harmonic distortion of a dual three-phase permanent magnet synchronous motor is proposed, which is based on current model prediction control and keeps the decoupling transformation matrix unchanged. The fault-tolerant control method based on current model prediction considers the influence of the control quantity on the future state of the system, and effectively reduces the total harmonic distortion. Two fault-tolerant control strategies for the motor are analyzed, with minimizing stator copper consumption and maximizing torque output as control objectives. Through simulation and experiment of fault-tolerant control strategies for a dual three-phase permanent magnet synchronous motor, the results verify the effectiveness and feasibility of the strategy.

Keywords: DTP-PMSM; fault tolerant; copper consumption; model prediction (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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