逆变弧焊电源中IGBT管的保护

The Protection of IGBT in the Inverter Arc Power Source

本文分析了ＩＧＢＴ管应用中经常损坏的原因，提出了两种ＩＧＢＴ保护的新方法，并对其进行了试验．

The main reasons why IGBT are often destroyed in its applications. With contrasting experiment, two new ways to protect it against failure also was proposed.