Advantages of IF Welding 1. The current flowing through the secondary welding circuit is DC. The effect of the inductive reactance in the secondary circuit due to the different depths of penetration of the workpiece is greatly reduced. 2. Three-phase balanced load, reducing the power requirements of the power supply system, power factor close to 1, no inductance components, no need to adjust the power factor. 3. Eliminate the pollution of the power supply, green welding, do not have to provide a separate power supply and robotic welding tooling control system can be used together. 4. Reduce power consumption, energy saving, but also reduce the needs and costs of cable and a lot of maintenance costs.