400A MAA IGBT Control Card

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