Fault Simulation and Diagnostic Test for Abnormal Voltage of Secondary Coil of Capacitor Voltage Transformer

被引：0
|
作者：
Yu, Hua [1 ]
Yang, Gang [1 ]
Shang, Rongyan [2 ]
Chen, Yutong [1 ]
Lu, Zhumao [1 ]
Liu, Yongxin [1 ]
机构：
[1] State Grid Shanxi Elect Power Res Inst, Taiyuan 030001, Peoples R China
[2] Hua Qiao Univ, Xiamen 361021, Peoples R China
来源：
2015 5TH INTERNATIONAL CONFERENCE ON ELECTRIC UTILITY DEREGULATION AND RESTRUCTURING AND POWER TECHNOLOGIES (DRPT 2015) | 2015年
关键词：
Capacitor voltage transformer; Secondary loop; Abnormal voltage; High Voltage test;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The transformer protection action is investigated and studied caused by over-excitation due of capacitor voltage transformer secondary coil voltage that is increased. In order to find the reasons of the transformer protection action, routine tests, diagnosis tests are conducted and theses data are accord with national standards. According to infield inspection, faults simulation and analysis method are proposed which results indicated that the protection action caused by electromagnetic interference of the secondary loop. In order that prevent the occurrence of similar failures, some suggestions for operation and maintenance of capacitor voltage transformers arc concluded.
引用
收藏
页码：1617 / 1623
页数：7
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