... inverter cutting 1.Easy to operation 2.IGBT Tech,stable current output 3.Stable,lightweight,energy-saving 4.CCC&CE plasma ... Feed-back circuit is controlled by advanced IGBT Tech,output current is stable3.Control circuit:the use of high-power IGBT ... rectifier,through the pulse-width modulation,(PWM) output power drive current source,so that the host weight,body weight siginificantly decreased,efficiency ...