400A MAA IGBT Control Card
Compatible Machine:
- ARC 400 Welding Machine
- Suitable for IGBT-based welding machines
Function:
This control card is responsible for:
-
- Controlling the welding output current
- Protecting the welding machine from overvoltage, overcurrent, and overheating
- Managing the switching of IGBT modules
- Providing stable welding current during operation
- Regulating input voltage and output frequency
Key Components:
- IGBT Driver Circuit – For high-frequency switching of IGBT
- Relay System – For switching ON/OFF
- Capacitors – To store and release power
- Inductors/Chokes – For smoothing current
- Transformer – For voltage regulation
- Microcontroller IC – For automatic control operations
- Optocouplers – For electrical isolation
- Protection Circuits – Overcurrent and overvoltage protection
