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。
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。
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。
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