Abstract :
A new dc and pulsed dc TIG welding power supply has been designed. Power modules connected in parallel with interleaving operation achieve scalable output current with no reduction of the single module performance and limiting the output current ripple. The resonant converter is supplied by an active rectifier from the AC mains with a reduction of mains current peak by five times.
Keywords :
"Welding","Power supplies","Electrodes","Reactive power","Switching frequency","Resonant frequency","Tungsten","Converters","Voltage control"
