Fault-Tolerant Control Strategy for Five-Phase PMSM With Third-Harmonic Current Injection | Zendy

Huang Qiu-Liang | Zendy; Chen Yong | Zendy; Xu Li | Zendy

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Fault-Tolerant Control Strategy for Five-Phase PMSM With Third-Harmonic Current Injection

Author(s) -

Huang Qiu-Liang,

Chen Yong,

Xu Li

Publication year - 2018

Publication title -

ieee access

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.587

H-Index - 127

ISSN - 2169-3536

DOI - 10.1109/access.2018.2873603

Subject(s) - aerospace , bioengineering , communication, networking and broadcast technologies , components, circuits, devices and systems , computing and processing , engineered materials, dielectrics and plasmas , engineering profession , fields, waves and electromagnetics , general topics for engineers , geoscience , nuclear engineering , photonics and electrooptics , power, energy and industry applications , robotics and control systems , signal processing and analysis , transportation

As the third-harmonic air-gap magnetic motive forces (MMFs) can be well utilized to improve the torque density, more and more research has been studying the postfault control for a five-phase permanent-magnet synchronous motor with trapezoidal back electromotive force (EMF). This paper presents a new reduced-order fault-tolerant control (FTC) scheme for the FPMSM with trapezoidal back EMF under single-phase open-circuit fault. Firstly, third reduced-order transformation matrices with third-harmonic current injection, the postfualt five-phase machines can not only realize an undisturbed MMF but also maintain high electromagnetic torque. Finally, the results verify that the proposed FTC strategy on reduced-order model can realize the single-phase open-circuit fault-tolerant and show fast dynamic response capability even under FTC condition.

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