摘要
本文介绍新型的开关式场效应管弧焊电源的工作原理,通过采用电流负反馈获得恒流外特性,并提出一种新颖的低压引弧电路。该电源具有良好的引弧性能和工艺性能。
Operating principle of a new arc welding power source with switch field-effect tube is introduced in this paper.Constant current external. characteristic have been obtained by current negative feedback.A new low- voltage stricking circuit is explored.The power source has a good stricking and technologic performance.
出处
《电焊机》
1989年第2期2-5,共4页
Electric Welding Machine
关键词
弧焊机
电源
场效应管
开关式
Arc welding power source
Switch field-effect tube
