A current mode zero-voltage and zero-current switching (ZVZCS) inverter TIG welding machine is developed in this paper,which realizes ZVS for the leading leg and ZCS for the lagging leg.

• 研制了电流模式零电压零电流开关TIG焊机,其超前臂实现了零电压开关,滞后臂实现了零电流开关。