The experiment expressed that the square wave unit and EFT drive unit designed work very well,and the high frequency AC square wave welding machine has alraedy used to welding thin steel sheed successfully.

• 实验证明,设计的方波信号发生器与场效应管驱动器工作稳定可靠,所研制的方波交流高频弧焊电源已成功地对薄钢板进行了焊接。