Technology parameter for High power factor solid state HF welder as follow Model ZGGP60/0.6 Welding method Induction welding Material carbon steel Pipe specfication apply to mill For example Φ20 Φ32 Rated output power 60KW Rated DC voltage 250V Rated DC current 300A Output frequency 600KHZ Resonance form Compound resonance Total efficiency 90% Power distribution capacity 90KVA Input voltage Three phase 380V/50Hz Tank output form No welding transformer output Ripple Coefficient: 0.5% Model ZGGP-100/0.4 Welding method Induction welding Material carbon steel Pipe specfication apply to mill For example Φ32 Φ50 Rated output power 100KW Rated DC voltage 250V Rated DC current 500A Output frequency 400KHZ Resonance form Compound resonance Total efficiency 90% Power distribution capacity 150KVA Input voltage Three phase 380V/50Hz Tank output form No welding transformer output Ripple Coefficient: 0.5% The development of high power factor solid state HF welder has responded to the state industrial policy of energy-saving emission reduction.It has many advantages such as high power factor for welder, small harmonic interference on power grid,protection sensitive,output stability and compacted structure.