摘要
介绍了电力系统中运行SF_6断路器事故情况,指出了ABB公司ELF系列进口产品和上海华通开关厂有限公司LW系列SF_6断路器国产化产品所采用的气动机构和气动柜运行中的质量问题,有必要进行维护改造和液压弹簧机构替代的可行性。
The article introduced troubled circumstance of revolved SF_6 circuit breakers at power system. It
Point out to put touse troubles of pneumatic drives and pneumatice cubicles of ELF(LW) series SF_6 circuit
breakers. It must be to remake and improved Hydraulic spring drives.