摘要：介绍了电力系统中运行SF6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SF6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.
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