Pulsed arc welding power source by thyristor DC chopper consists of common DC arc welding power source and DC chopper.

采用晶闸管直流斩波器的脉冲弧焊电源是由普通的直流弧焊电源，附加晶闸管直流斩波器组成的。

youdao

With technology of DC chopper and H-bridge inverter used, IGBT is used as DC chopper and IPM is used as H-bridge inverter to realize a small volume of the power source.

采用了直流斩波和全桥逆变技术，以IGBT为直流斩波元件、IPM模块为全桥逆变元件实现了高压电源的高效小型化。

youdao