A statistical analysis to the failures of the distribution switchgear during 990～999 is made. The features of the SF and vacuum circuit breaker are analyzed. It then introduces some trends of the application of non oil high voltage switchgear.
A statistical analysis to the failures of the distribution switchgear during 990～999 is made. The features of the SF and vacuum circuit breaker are analyzed. It then introduces some trends of the application of non oil high voltage switchgear.
本文介绍了中国电力系统配电电压等级开关设备的现状 ,统计分析了配电开关设备 990～ 999年的事故情况以及SF、真空开关设备的故障特点 ,指出了高压开关设备无油化的若干趋势。