The speed of switching component is the primary factor that influences boosting frequency of inverter.Compared with IGBT,MOSFET can be used to improve dynamic responding speed.

• 开关管的开关速度是影响逆变焊机频率提高的主要因素,通过比较IGBT和MOSFET的优缺点,认为MOSFET焊机可以获得较好的动态响应速度。