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Winding turn-to-turn faults detection of five-phase fault-tolerant permanent-magnet machine based on parametric model

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3 Author(s)
Wei Tang ; Sch. of Electr. & Inf. Eng., Jiangsu Univ., Zhenjiang, China ; Guohai Liu ; Jinghua Ji

This paper presents and analyzes a parametric model for inter-turn fault detection in a five-phase fault-tolerant permanent-magnet synchronous machine (PMSM). The proposed model can investigate the effect of the short-circuit fault to various physical quantity of the machine. By comparing the calculated results with the machine running under different fault level conditions, an effective method for stator inter-turn fault detection of the machine is proposed. Additionally, simulations of the machine upon the operation of vector-controlled PMSM drives verify the feasibility of the proposed method, which shows that even single-coil short circuits faults also could be exactly detected.

Published in:

Electrical Machines and Systems (ICEMS), 2012 15th International Conference on

Date of Conference:

21-24 Oct. 2012