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Soft-switching is the application of resonant technique, which make switchdevice turn一on- and off in the situation of zero一voltage(zero一current)．It ha ...展开
s． thecharacteristics of lower loss and electric一magnetic一interference．According to thecharacteristic of一electronic’arc load (repeat action of open circuit-load一shortcircuit)，soft-switching welding power makes use of resonant technique andimproves the reliability of hard一switching welders．There are all kinds of soft-switching circuit structures，which have their own applied condition．A novelzero一voltage full一bridge PWM converter for high power application is proposed inthe paperTheprincip 收起
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