某抽水蓄能电站500 kV变压器低压侧箱沿过热故障分析与处理

Fault Analysis and Treatment of Low Voltage Box Edge Overheating of 500 kV Transformer in a Pumped-storage Power Station

介绍了某抽水蓄能电站500 kV变压器低压侧箱沿过热故障,分析了箱沿过热原因,采取了焊接铜排的方法,消除了变压器箱沿过热问题。

The overheating fault of 500 kV transformer low-voltage side box edge in a pumped storage power station is introduced.The cause of overheated box edge is analyzed.The method of welding copper bars was adopted,which eliminated the problem of overheating along the transformer box.