Influence of rotor windings inter-turn short circuit fault on electric machine shaft voltage

被引：0
|
作者：
Li, He-Ming [1 ]
Wu, Yu-Cai [1 ]
Li, Yong-Gang [1 ]
机构：
[1] School of Electrical and Electronic Engineering, North China Electric Power University, Baoding 071003, Hebei Province, China
来源：
Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering | 2009年 / 29卷 / 36期
关键词：
Winding - Magnetic circuits - Timing circuits;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The relations between rotor windings inter-turn short circuit fault and electric machine shaft voltage was researched. Air-gap conductance method was adopted to analyze electrical machine air-gap magnetic field, and the air gap permeance model was built by taking stator slot effect into consideration. When inter-turn short circuit fault happens, the fault characteristic frequency corresponding to the number of stator slots is predicted to appear in shaft voltage signal, which can be used as the criterion of rotor windings inter-turn short circuit fault. The simulation experiment on fault simulation unit verified the feasibility of the method. © Chin. Soc. for Elec. Eng.
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页码：96 / 100
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