Bai Bin. Cause Analysis on 500 kV SF6 Current Transformer Failure[J]. 2006, (4): 23-25.DOI:
500kV SF6电流互感器事故原因分析
摘要
介绍了某座变电站500 kV SF6电流互感器的事故发生过程
判别事故原因为绕制支柱绝缘子产生气泡
引起局部放电
导致支柱绝缘子内部沿面闪络击穿
并提出了相应的预防措施。
Abstract
The accident process of 500 kV SF
6
current transformer in a substation is introduced
the reason is distinguished that there is bubble on support insulator which has caused partial discharge and led to surface flashover of support insulator
and the corresponding preventive measures are put forward.