一起微机保护误动的原因分析与改进

Analysis and Improvement on Error Acting of 220 kV Microcomputor Protection

主要分析了一起太钢第九降压站220kV进线微机保护误动的原因,提出并论述了改进方法,以及实施后的效果。

Comprehensively analysis the cause on error acting of the ninth transformer substation of Tiayuan Iron and Steel Co.Ltd. 220 kV microcomputor protection,the improvement method were raised and expound.and the effictiveness after reformed.