Using three-phase full-wave rectification + IGBT inverter power regulation technology, the ripple factor is less than 0.55, and the high-frequency transformer is used to replace the step-down transformer to reduce copper loss and tape loss, and the inverter efficiency is high.
Low ripple coefficient to meet the constant power output, which can be used for welding high-end automotive tubes, aluminum headers, copper tubes, and various series of stainless steel tubes
①Low voltage and high current working mode
②Two-stage LC filter, the output current is more stable.
③MOSFET is used as the inverter element.
Diode all wave rectifying add IGBT chopping to replace SCR rectifying, to improving the power factor.Save 15%~25% of electric power.
The inverter part consists of MOSFET single-phase invert bridges connected in Parallel.
Equipment composition: 1. Rectifier cabinet 2. Rectifier transformer 3. Inverter cabinet 4. Console 5. Air-water cooler exchange
The all-transistor (solid-state) high-frequency welding machine is designed for the straight seam induction welding of steel pipes. The module composed of MOS high-power devices constitutes the oscillation part, and the power capacitor bank C, the inductor coil L and the reliable protection control circuit constitute a constant current type inverse Changer.