1200 Kw High Frequency Welding Machine for Pipe Making Mill Line

1200 Kw High Frequency Welding Machine for Pipe Making Mill Line. High Efficiency PSM Technology: Ensures constant 450V DC voltage and optimal power factor for steel pipes of different specifications. Modular Inverter Design: Composed of 12 parallel 100kW MOSFET bridges for compact structure and high reliability. Full Digital Control System: Siemens S7-1200 PLC enables remote operation, data recording, and fault diagnosis. Advanced Cooling System: Closed-cycle water-water cooler prevents scale, blockage, and freezing with purified water circulation. Optimized Welding Frequency: Frequency is 20-30% higher than original design, significantly improving welding efficiency. 3-D Electric Positioning: Full electric adjustment for front/back, left/right, and up/down directions ensures best welding position. Stainless Steel Control Desk: Features touch screen with protection cover, data recording, and Ethernet interface for expansion. Comprehensive Protection: Includes protection reactor, ammeter, and current hall sensor to monitor and protect the inverter bridge.