• Contact Us
  • Language
  • TEL 81-44-922-1117

How is current controlled in a single-phase AC type?

In the single-phase AC type, welding current is controlled by changing the timing of firing a semi-conductor called thyristor.This control method is called phase control.
The feedback control to keep the weld current constant is called constant current control.
In addition, the function of detecting the input voltage and performing feedback control to keep the voltage constant is called voltage compensation control.


As a full-line joining machine manufacturer, we provide optimal solutions to the diverse needs of our customers.