介绍了新的IEC60076—4电力变压器和电抗器雷电冲击和操作冲击试验导则，它是IEC722（1982）的新版，比原导则增加与完善了新的内容。

This paper introduced the new IEC60076 -4 test guidance of lightning surge and switching surge for power transformer and reactor, which is the new edition of IEC722 (1982).

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大型电力变压器和高压电抗器是输变电系统的重要设备，对其故障进行及时和正确的诊断，并给予检修，关系到整个电网的安全运行，十分重要。

Large power transformer and high voltage reactor are important equipments in power system, so the correct and in-time diagnosis of their faults and operation maintenance are very important.

youdao

大型电力变压器和高压电抗器是输变电系统的重要设备，对其故障进行及时和正确的诊断，并给予检修，关系到整个电网的安全运行，十分重要。

Large power transformer and high voltage reactor are important equipments in power system, so the correct and in-time diagnosis of their faults and operation maintenance are very important.

youdao