MAO Wen-qi, HU Xu, DENG Ji, et al. Analysis of lightning failure of 608 CB in 220kV substation[J]. 2009, 29(1): 30-31+34.DOI:
某220kV变电站608断路器雷击故障分析
摘要
分析了某220 kV变电站608断路器故障的情况。进行了解体检查及计算分析
判断故障原因为雷击引起断路器断口绝缘击穿
并提出了相应的反事故措施。
Abstract
The failure of 608 CB in one 220kV substation was analyzed.The CB was disassembled for inspection and the lightning model was simulated by the ATP.It was found that the cause of the failure was the insulation breakdown by lightning.The appropriate countermeasures were put forward.