Modeling and Detection of Stator Inter-turn Short Circuit Fault in Induction Motor#br#

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SHI Yong-qian, JIANG Bin, MAO Ze-hui

Control Engineering of China ›› 2020, Vol. 27 ›› Issue (1) : 22-27.

Control Engineering of China ›› 2020, Vol. 27 ›› Issue (1) : 22-27.

Modeling and Detection of Stator Inter-turn Short Circuit Fault in Induction Motor#br#

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Abstract

The stator inter-turn short circuit fault of asynchronous motor is one of the typical stator faults. To ensure the safe operation of the motor, it needs to detect the fault in time and take measures immediately. Mechanism modeling of asynchronous motor with stator inter-turn short circuit fault is built in the two-phase synchronous rotating coordinate system, which is transformed into the form of state equation. Based on the asynchronous motor of CRH2, simulation research is carried. It detects the fault by multiple model matching with inter-turn short circuit coefficient. The simulation results verify the accuracy and effectiveness of the model, and the fault of asynchronous motor is detected by multiple model matching.

Key words

Asynchronous motor / inter-turn short circuit / fault model / multiple model matching / fault detection

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SHI Yong-qian, JIANG Bin, MAO Ze-hui. Modeling and Detection of Stator Inter-turn Short Circuit Fault in Induction Motor#br#
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[J]. Control Engineering of China, 2020, 27(1): 22-27

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