... Composition The whole set of 100kW Solid State High Frequency Welder is composed of rectifier cabinet, transformer, ... IdN=500A(4) Out frequency: f=350~420kHz(5) Total efficiency: η≥85%(6) Ripple Coefficient: less than ... saving effect obviously, the less cooling water.(6)Output ripple is less than 1%,no welding ... quality of welding seam is well.(7)High reliability and stable operation.(8)Easy to ...