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。
Pulsed arc welding power source by thyristor DC chopper consists of common DC arc welding power source and DC chopper.
在弧焊逆变电源中采用LD C滤波电路，可以降低直流线上的电压纹波。
The LDC filter is introduced into a rc welding inverter power source and the voltage ripple of the DC line is decreased.
从而解决了《弧焊电源》课程实验和直流焊机动特性评定中存在的问题。
This derices can be used for course experiments of welding power source and property evaluation of the DC welder.
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