摘要
针对IGBT逆变弧焊机可靠性问题讨论 ,提出了采用电流型PWM控制电路逐个脉冲进行检测的控制方法。试验结果表明 :该控制方法具有控制线路简单 ,可靠性高的特点。
This paper discusses some problems of reliability about arc welding inverter. A method of use the current mode PWM controller to adjust each pulse is set up.The test result features that:the electric circuit is simple and reliability is high.
出处
《电焊机》
2000年第2期14-15,38,共3页
Electric Welding Machine
关键词
逆变弧焊机
可靠性
IGBT
过流保护
PWM
焊接
arc welding inverter
reliability
IGBT over current protection
current mode PWM
