A TRANSFORMER HAVING A STACKED CORE WITH A CRUCIFORM LEG AND A METHOD OF MAKING THE SAME

摘要

The present invention is directed to a transformer having a stacked core (12) , which includes upper and lower yokes (14, 16) and first and second outer legs (18,20) . The core also includes one or more inner legs (22) . Each of the upper and lower yokes (14, 16 )is formed from a stack of plates (26, 28) and has a rectangular cross-section. Each inner leg (22) is formed from a stack of plates (70) and has a cruciform cross-section. Each of the first and second outer legs (18, 20) is formed from a stack of plates (30, 32) and may have a cruciform cross-section.