开关式场效应管弧焊电源的研究  

DEVELOPMENT OF THE SWITCHED MOSFET ARC WELDING POWER SOURCE

作　　者：黄石生[1] 范雪红[1] 伍月华[1] 邝明察 王志强[1] 

机构地区：[1]华南理工大学机械二系

出　　处：《华南理工大学学报（自然科学版）》1989年第3期75-80,共6页Journal of South China University of Technology(Natural Science Edition)

摘　　要：本文主要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,并提出了一种新颖的低压引弧电路。利用所研制的开关式场效应管弧焊电源进行引弧试验和工艺试验,结果表明此电源具有良好的引弧性能和工艺性能,是一种发展前景较远大的电子弧焊电源之一。This paper mainly deals with the basic principles of the switched MOSFET arc welding power source.This power source uses the feed- back of current to obtain the constant current characteristics.In this paper a new low voltage arc-ignition circuit is put forward too.The experimental results show that this power source has a good property of arc-ignition and a good property of welding pro- cess,and this switched MOSFET arc welding power source is one of the electronic arc welding power sources with a wide developing prospect.

关 键 词：焊机 电源 场效应晶体管 

分 类 号：TG434.1[金属学及工艺—焊接]