Abstract

The induced electromotive force signals of air gap were sampled by detection coil’s electromotive. Fault mechanism of inter-turn short circuit was analysed. Then we constructed a math model. Performance and parameter characteristics of armature winding’s air gap electromotive were analysed by BP neural network algorithm, and applied into inter-turn short circuit’s treatment process, and then we constructed the fault detection system of motor’s inter-turn short circuit. The system realises fault diagnosis and can find fault slot’s location.

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