... current is stable3.Control circuit:the use of high-power IGBT inverter switching devices after the buck ... so that the host weight,body weight siginificantly decreased,efficiency increased by 30% or more:it's advantages: ... As the plasma temperature is very high,you can cut carbon steel,high-speed steel,tool steel,alloy steel ... *580 730*320*580 770*360*810 High efficiency plasma inverter cutting (CCC&CE)