小浪底反调节电站220kV断路器手动分闸后自动重合原因分析

Analyis of the causes of 220 kV circuit breaker auctomatic re-closing after manual disconnection of the Xiaolangdi anti-regulation hydropower station

简要叙述了小浪底反调节电站220kV黄霞2线路断路器手动分闸后自动重合的故障现象,针对现象进行深入分析。通过检查装置接线、分析电气控制回路、实际模拟试验等手段,成功得出故障出现的原因,并针对该问题提出解决办法。

A fault of automatic re-closing after manual disconnection of the 220 kV circuit breaker Huangxia 2 of the Xiaolangdi Anti-regulation Hydropower Station is briefly described and analyzed. After inspection of equipment wiring, analysis of the electrical control circuit and simulation testing, the reasons have been successfully found and solutions of the problem are given.