Circuitry to allow external variable current control during the welding process. Critical Safety Precautions
PWM controller ICs (like the TL494 or UC3846), feedback sensors (shunts or Hall-effect sensors), and drive circuits. TIG-Specific Features Tig Welder Inverter Schematic
Converts the high-frequency AC back into stable DC for welding. Circuitry to allow external variable current control during
Regulates the welding current by adjusting the "on-time" of the inverter switches. feedback sensors (shunts or Hall-effect sensors)
Converts incoming AC mains (110V/220V) into high-voltage DC.
Ensure all high-voltage components are properly mounted on heat sinks with adequate thermal paste and electrical insulation. Inverter Welding Machine Circuit Diagram - Pinterest