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《High Voltage Apparatus》 2006-05
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Measurement and Several Problems in Partial Discharge Test of Large Transformers

ZHANG Ke1, YU Xiao-peng1, WANG Yu-xue2 (1. Henan Electric Power Research Institute, Zhengzhou 451000, China; 2. Xuchang Electric Power Bureau, Xuchang 461000, China)  
In this paper, the operation principle and the test connecting of frequency conversion power supply are introduced in detail. Some notable problems in field test are analyzed, and the concrete solutions are also put forward according to field practicing. Based on this method, the partial discharge test for the first domestic transformer, three phase in one tank, 500 kV 720 MV·A, is accomplished successfully. This is also a beneficial attempt about partial discharge field measurement of high voltage, huge capacity transformer.
【CateGory Index】: TM835
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Chinese Journal Full-text Database 1 Hits
1 HU Xiao-cen1,HE Hu2,LIAN Jian-hua1,ZHANG Yong-chun1,QIN Xu-gang1 (1.Electric Power Research Institute,Shanxi Provincial Electric Power Corp.,Taiyuan 030001,Shanxi Province,China; 2.State Grid AC Project Construction Co., Ltd.,Xicheng District,Beijing 100140,China);On-Site Long-Duration Induced AC Voltage Withstand Test With Partial Discharge Measurement of 1 000 kV Transformer[J];Power System Technology;2009-10
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