A review on turn-turn short circuit fault management

Permanent Magnet (PM) machines are increasingly being used in safety critical systems in aerospace and automotive applications. In such applications, reliability and availability are key concerns. Numerous works have been presented in literature which take into account both system reliability and availability in the event of single fault within the PM machine. This paper mainly focuses on a turn Short-Circuit (SC) fault and presents a systematic review on proposed methodologies to accommodate such faults. The possible methods to reduce the likelihood of the winding SC fault, and the available fault mitigation techniques related to such faults, are reviewed. It is shown that there is a tradeoff involved between reliability and the machines' performance.

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