公开(公告)号：EP3796528A1

公开(公告)日：2021-03-24

申请号：EP19198713.0

申请日：2019-09-20

Applicant: ABB Schweiz AG

Inventor： Drofenik, Uwe ,  Gradinger, Thomas Bernhard ,  Canales, Francisco

IPC: H02M1/00 ,  H02M3/335 ,  H02M3/337 ,  H02M1/32 ,  H02M7/48

Abstract: A DC/DC converter comprises a first DC link, preferably a first DC link capacitor; a first plurality of N>1 converter bridges connected in parallel to the first DC link; and a transformer, preferably a medium frequency transformer, having a primary side and a secondary side; wherein the primary side comprising at least one primary winding. In accordance with the invention, the converter further comprises a first plurality of N impedance elements, wherein for each converter bridge, a different one from the first plurality of impedance elements is connected between said converter bridge and the at least one primary winding.