一台220kV变压器总烃超标异常分析及处理

来源 :第八届全国变压器技术学术年会 | 被引量 : 0次 | 上传用户:ninebirds88
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  220kV索河变电站1号主变为油浸强油风冷式,在投运后7年时间内对1号主变取油样,进行了色谱分析试验,发现本体油中总烃含量异常,改良三比值分析显示主变本体存在高温过热现象。同时对1号主变按检修周期进行了高压试验,各项试验数据合格。通过对变压器油定期化验分析,提前发现了变压器内部存在的故障,通过及时处理避免了一次重大设备损坏事故。在对变压器的运行维护工作中,应定期对其附属设备进行检查,避免设备的超期服役造成故障。
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