摘要
提出了一种适用于弧焊电源的新型电路拓扑──电荷转移式零电流开关功率变换器，对其工作原理作了详细讨论，结合具体应用实例阐述了一种简单实用的脉冲频率控制方法，给出了该焊机的输出外特性曲线。研制结果表明，采用零电流功率开关有利于降低开关损耗和提高交换器的容量与效率。
A new electric circuit for arc electric source-electric charge shift zero electric current switch power charger is advance and work principle is detailed discussed A pulse frequency control method is expounded while specific use example. The electric welding machine output characteristic curve is gived Research fruit make known, while zero electric current power switch is used, it is favourable for reduce switch loss and advanced capacity and efficiency of charger.
出处
《电焊机》
1998年第1期13-15,共3页
Electric Welding Machine
关键词
弧焊电源
零电流开关
功率变换器
arc welding electric source, zero electric current switch, power chargeroutput characteristic
