Fault Diagnosis of the Inter-turn Short Circuit in Rotor Windings Based on Wavelet Analysisa

被引：0
|
作者：
Zhang, Zhimeng [1 ]
Li, Yonggang [1 ]
Zhang, Jianzhong [2 ]
机构：
[1] North China Elect Power Univ, Sch Elect Engn, Baoding 071003, Peoples R China
[2] Hebei Elect Power Res Inst, Shijiazhuang 052201, Peoples R China
来源：
ICEMS 2008: PROCEEDINGS OF THE 11TH INTERNATIONAL CONFERENCE ON ELECTRICAL MACHINES AND SYSTEMS, VOLS 1- 8 | 2008年
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A new fault diagnosis method of inter-turn short circuit detection in generator rotor windings based on wavelet transform is presented. The detection method is based on the singularity characteristics of the induced electromotive force signal of search coil in the air gap. Electromagnetism characteristic of turbo-generator rotor windings is analyzed. Wavelet transform was applied to the detection of the abruptly change signal based on detecting coil method, extracts the fault characteristics of the induced electromotive force signal and excludes noises, thus realize the detection of inter-turn short circuit fault in generator rotor windings. Simulation indicates the wavelet analysis method is suited to detecting fault of inter-turn short circuit in generator rotor windings.
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页码：778 / +
页数：2
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