1000kw Solid State High Frequency Tube Welder for ERW Tube Mill Line

1000kw Solid State High Frequency Tube Welder for ERW Tube Mill Line. High Efficiency PSM Technology: Ensures constant 450V DC voltage and optimal power factor for energy saving. Modular Inverter Design: Composed of ten 100kW MOSFET bridges for easy maintenance and high reliability. Digital PLC Control: Siemens S7-1200 PLC enables remote monitoring, data recording, and fault diagnosis. Optimized Welding Frequency: Frequency is 20-30% higher than original designs for improved welding efficiency. Closed Water Cooling System: Purified water circulation prevents scale and blockage, reducing operation faults. 3-D Electric Positioning: Full electric adjustment for front/back, left/right, and up/down directions. Expandable Control Desk: Touch screen with Ethernet interface allows for function expansion and remote operation. Integrated Inverter Bridge: Optimized design reduces stray loss and significantly improves system stability.