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新型软开关弧焊逆变器主电路的仿真与实验
Simulation and Experiments of the Novel Main Circuit of Arc-Welding Inverter with Soft-Switching
【摘要】 利用UC3879移相控制集成电路,设计出了一种新型的全桥移相式软开关弧焊逆变器主电路,利用变压器次级饱和电感的磁开关作用,大大拓宽了主电路中滞后桥臂的软开关范围。
【Abstract】 A novel main circuit of arc-welding inverter is designed by using the phase-shifted control IC-UC3879. The soft-switching range of the lagging leg is expanded by using the functions of magnetic switcher of the saturable inductor in secondary side of the power transformer.
【关键词】 弧焊逆变器;
软开关;
计算机仿真;
移相控制;
【Key words】 arc-welding inverter; soft-switching; computer simulation; phase-shifted control;
【Key words】 arc-welding inverter; soft-switching; computer simulation; phase-shifted control;
【基金】 国家自然科学基金资助项目(50375054)
- 【文献出处】 航空精密制造技术 ,Aviation Precision Manufacturing Technology , 编辑部邮箱 ,2004年03期
- 【分类号】TM464
- 【被引频次】2
- 【下载频次】127