ADJUSTABLE WELDING TRANSFORMER Russian patent published in 1996 - IPC

FIELD: electrical engineering. SUBSTANCE: adjustable welding transformer has core carrying primary and two secondary windings with four leads, control unit with adjusting elements, switching unit, and choke coil. EFFECT: provision for off-line operation of two welders during welding and cutting operations one of welders performing welding and cutting operations using fine control of current; operation for producing high-quality weld using D.C. current, all these capabilities being ensured by single apparatus. 1 dwg