Analysis Report of A Phase CVT Fault in 220kV Auxiliary Section I of 500kV Substation

Yu Bing,Yang Zhi,Zhou Luyao,Zhao Lin,Lin Haofan,Yang Yong

2021 6th International Conference on Integrated Circuits and Microsystems (ICICM)（2021）

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摘要

An accident occurred in the substation due to a 220 kV voltage transformer failure that caused a bus differential protection alarm. This article comprehensively analyzes the cause of the failure based on the cause of the incident, the on-site test and inspection situation and the disassembly situation of the factory. The article comprehensively uses protection monitoring waveform analysis, infrare...

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关键词

Temperature measurement,Micromechanical devices,Substations,Phase measurement,Voltage transformers,Maintenance engineering,Transformers

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