摘要
本文对PWM开关调速方式进行了研究,介绍了一种采用功率MOSFET的送丝调速系统。其结构简单,运行可靠,具有优良的动、静态品质。
The mode of PWM off-on control speed is made astudy and the wire-feed regulation system adopted power MOSFET is introduced in this paper.It features simple structure, reliable performance and has good dynamic and static characteristics
出处
《电焊机》
1990年第5期1-4,共4页
Electric Welding Machine
关键词
气体保护焊
送丝系统
脉宽
调制
Gas shielded arc welding
Wire-feed system
pulsewidth modulation