Identifying faulty insulator strings by detecting insulator corona pulse current

C R Li,Qian Shi,Yang Chun Cheng,Guo Lin,Huang Xingquan

Power System Technology, 1998. Proceedings. POWERCON '98. 1998 International Conference（1998）

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摘要

The resolution to identify faulty insulator strings by detecting insulator corona current pulse was investigated in our laboratory. The influences of some facts on the detection resolution were also discussed, including the characteristics of insulators close to line, the resistance of faulty insulators, the locations of the faulty insulators, and the amount of insulators on the string. The results showed that the corona pulse analysis could be used for identifying faulty insulator strings in the laboratory

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关键词

corona,electric current measurement,fault location,insulator testing,pulse measurement,corona pulse analysis,detection resolution,faulty insulator strings identification,faulty insulators resistance,insulator corona pulse current detection,fault detection,oscilloscopes,voltage

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