welding arc voltage

Voltage feedback control can automatically compensate to the distribution voltage wav and let the welding electric arc stability.

电压反馈控制，对电网电压波动能自动补偿，使焊接电弧稳定。

A PI regulator with variable parameters is adopted for flexible and accurate current-waveform control, and the arc-voltage becomes robust against the variations of welding parameters.

本文采用变参数数字PI调节器，取得了好的脉冲电流波形控制效果，波形的一致性和可重复性好；弧压调节方法实现了在当前脉冲内即可控制弧压为给定电压。

A new FB-ZVZCS-PWM soft-switching inverter arc welding power supply was introduced, which adopted the auxiliary transformer and limited bipolar control mode. The principles of realizing zero voltage switching ( ZVS) for leading leg by capacitor and ZCS for lagging leg by auxiliary transformer were explained.

文中介绍了采用原边辅助变压器、有限双极性控制的新型FB-ZVZCS-PWM软开关弧焊逆变电源实现超前臂零电压开关和滞后臂零电流开关的工作原理。

This article introduces DSP controlled CO 2 welding short-circuit process control system, short-circuit waveform control method and arc waveform control with PI arthmetic, also it gives welding current and voltage waveforms.

介绍了数字信号处理器（DSP）控制CO2焊短路过渡控制系统，DSP软件进行短路波形控制方案和燃弧波形控制的PI算法，给出了软件控制的焊接电流、电压波形。

The electric network voltage wave can be compensated automatically. The welding electric arc is stability.

具备电网电压波动自动补偿功能, 焊接电流稳定.

Arc voltage and welding current are signal source.

以电弧电压和焊接电流为采集的信号源。