干式变压器烧毁原因分析与配电系统技术改造
Cause Analysis of Dry-type Transformer's Burn-down and Technical Reform of Power Distribution System
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摘要: 通过现场勘查和试验室检测, 分析了忠武输气管道宜城输气站10kV配电系统干式变压器烧毁事故的原因, 结果表明, 线圈匝间绝缘层存在质量问题。提出了输气站配电系统的技术改进措施。Abstract: A dry-type transformer of 10kV power distribution system is burned down in Yicheng Gas Compressor Station of Zhongxian-Wuhan Gas Transmission Pipeline.Cause analysis on the accident is made by means of field investigation and laboratory observation.Analysis results show that poor quality in turns insulating barrier of coil is existed.Thus technical reform on power distribution system of gas compressor station is put forward.