【摘要】 本文介绍集成度高、抗干扰能力强、调节方便的可控硅弧焊电源的控制电路。使传统焊机中的波形产生电路,移相控制电路和脉冲整形电路等分立系统由一块集成电路来实现,简化了三相控制系统。更多还原

【Abstract】 The control circuit of SCR arc welding power source with good integration,very capable antijamming and easy adjustment is introduced in this paper.The spit modes of waveshaping circuit, phaseshift control circuit and pulse-shappi ng circuit in the traditional welding machines arc realized by a integrated circuit.The 3-phase control system is simplified.更多还原