Patent ID: 6654266
Filing Date: 2003-11-25
Classification: H02M

Abstract:
An electric energy converter, comprising:two input terminals; two output terminals; N transformers each including a primary winding and a secondary winding; a primary circuit connected to the two input terminals on which the primary windings of the transformers are connected; a secondary circuit connected to the two output terminals on which the secondary windings of the transformers are connected, wherein each primary and secondary circuit of the converter includes a set of switching devices connected to N primary windings and N secondary windings; and a controller configured to control the switching devices of at least one of the primary or secondary circuits and thereby select an arrangement of the N primary or secondary windings, the switching devices being connected to associate the N primary or secondary windings in a selected one of a serial arrangements, a parallel arrangement, and a serial and parallel combination arrangement by using the controller.