Transformer Winding Deformation Diagnosis Using Middle Band Frequency Response Analysis

被引:11
|
作者
Li, Yanming [1 ]
Liu, Gang [1 ]
Pang, Linhai [1 ]
Zhang, Longjun [1 ]
Lin, Zhiming [2 ]
机构
[1] South China Univ Technol, Sch Elect Power, Guangzhou 510640, Peoples R China
[2] Guangdong Power Grid Corp, Guangzhou Power Supply Bureau, Inst Power Test, Guangzhou 510310, Peoples R China
关键词
D O I
10.1109/ICSD.2007.4290904
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
The sensitivity of frequency response on different frequency spectrums is analyzed by sensitivity analysis. And more analysis is simulated by computer. Then the relation of transformer parameters' changing when the winding deformed are figured out by analysis of capacitance and inductance. Furthermore, dependent on the statistics of winding deformation, the probability of different kind of deformations are given. At last, the conclusion is that the middle band frequency response is the most sensitive in the testing of transformer winding deformation using FRA method,.
引用
收藏
页码:677 / +
页数:2
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