500kV变电站非倒闸操作的危险点实例分析

Analysis on the samples of risk-existing non-switching operation in 500 kV substation

通过对500kV变电站3起事故实例的分析,指出了500kV变电站在非倒闸操作环节中存在的危险点比倒闸操作的危险点更隐蔽、危害更大,务必引起运行人员特别是管理部门的调度重视。同时,提出了针对性的预控措施。

By analyzing three accidents taking place in 500 kV substation, risk existing points in non-switching operation are found to be more harmful and concealed than that existing in switching damage, which should draw operation staff, especially administration department great attention. Meanwhile, specific prevention measures are presented.