ARC WELDING RECTIFIER Russian patent published in 1996 - IPC

FIELD: welding; arc supply at automatic and hand welding. SUBSTANCE: rectifier has transformer with secondary winding divided into three parts, current controller built around thyristors, rectifying unit connected with first part of secondary winding and with welding load. Thyristors are connected with second part of secondary winding and with welding load. Capacitor is connected with third part of secondary winding and with first outputs of diodes whose second outputs are connected with welding load. EFFECT: enlarged operating capabilities. 1 dwg