The determinant method of feedback, such as positive feedback and negative feedback, voltagefeedback and current feedback, series feedback and parallel feedback, etc.
It has the welding current feedback circuit and the welding voltagefeedback circuit.
具有焊接电流反馈控制电路及焊接电压反馈控制电路。
3
Adopt IGBT frequency conversion of German Siemens and voltagefeedback series resonance circuit. The conversion efficiency is reaching up to above 97.5%.