A Unified Fault-tolerant Vector Control for Tubular Permanent Magnet Motors

被引：0
|
作者：
Zhou H. [1 ]
Zhou C. [1 ]
Liu G. [1 ]
Gao M. [1 ]
机构：
[1] School of Electrical and Information Engineering, Jiangsu University, Zhenjiang, 212013, Jiangsu Province
来源：
Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering | 2019年 / 39卷 / 05期
基金：
中国国家自然科学基金;
关键词：
Fault-tolerant vector control; Open-circuit fault; Short-circuit fault; Tubular permanent magnet motor (TPMM);
D O I：
10.13334/j.0258-8013.pcsee.180825
中图分类号：
学科分类号：
摘要：
To obtain the high dynamic performance and smooth thrust force after open-circuit and short-circuit faults occurrence, a novel unified fault-tolerant vector control (UFT-VC) for five phase tubular permanent magnet motor (TPMM) was proposed. According to the fault-tolerant currents of the remaining healthy phases, a new reduced-order orthogonal transformation matrix was derived. Based on the relationship between the short-circuit current and its fault-phase back electromotive force, a voltage compensator was designed. Then, a unified mathematic model was built when TPMM was with open-circuit or short-circuit fault. Finally, the reduced-order orthogonal transformation matrix was used to substitute for the Clarke's matrix, and the voltage compensator was added in the two-phase stationary frame. Therefore, the high steady-state and dynamic performances can be achieved, and also the strategy is easy to implement. The validated results of experiments demonstrate the feasibility of the proposed strategy. © 2019 Chin. Soc. for Elec. Eng.
引用
收藏
页码：1479 / 1487
页数：8
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