春城站10kV开关柜弹簧操动机构的改进

Improvement of spring mechanism of 10 kV switchgear in Chuncheng Substation

通过对 2 2 0kV春城站 10kV开关柜弹簧操动机构出现多起拒分、合闸和烧毁储能电机等事故的分析 ,并提出了对原控制回路和中间继电器触点的改进方案。整改方案实施后 ,开关已动作多次 。

The spring mechanism of 10 kV switchgear in 220 kV Chuncheng Substation refused to open and close and the energy storage motor burned for many times. Consequently,an analysis was conducted,an improvement on the control circuit and the intermediate relay contact made and satisfactory results achieved.