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介绍一种零电压开关逆变电焊机，介绍了它的工作原理和设计要点。其输出电流范围７５－６００Ａ，最高工作频率达４００ｋＨｚ。
Describes a zero-voltage switch inverter welding machine, describes its working principle and design points. The output current range of 75-600A, the maximum operating frequency of 400kHz.