The Tapping switch damaged of a main transformer which power is 370MVA was analyzed, the handling process the measure of preventing accident were provided.
对一起370MVA主变压器分接开关损坏的原因进行了分析，介绍了处理经过，提出了反事故技术措施。
The ascertaining means of a transformer shunting tapping is discussed. These means are used in running control of factory transformer getting good results.
探讨了变压器分接抽头确定的实用方法，这些方法用在工矿企业的变压器的运行控制中取得了较好的效果。
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