公开(公告)号：US10673353B2

公开(公告)日：2020-06-02

申请号：US15993019

申请日：2018-05-30

Applicant: ABB Schweiz AG

Inventor： Uwe Drofenik ,  Franziska Brem ,  Francisco Canales

IPC: H02M7/5387 ,  H02J7/00 ,  H02M1/36 ,  H02M7/483 ,  H02M1/32 ,  H02S40/32 ,  H02S40/38 ,  H02J7/35 ,  H02M1/00 ,  H02J3/38 ,  H02J7/34

Abstract: A converter cell for a modular converter includes at least one power semiconductor switch for switching a cell current through the converter cell; a cell capacitor interconnected with the at least one power semiconductor switch, such that the cell capacitor is loadable by the cell current; a controller for switching the at least one power semiconductor switch, wherein the controller is supplyable with auxiliary power from the cell capacitor; and a photovoltaic cell for providing initial and/or further auxiliary power to the controller.

公开(公告)号：US10374431B2

公开(公告)日：2019-08-06

申请号：US15407925

申请日：2017-01-17

Applicant: ABB Schweiz AG

Inventor： Francisco Canales ,  Frederick Kieferndorf ,  Drazen Dujic

IPC: H02J3/38 ,  H02J1/10 ,  H02M3/28 ,  H02M3/158 ,  H02M3/335

Abstract: A converter system for interconnecting renewable energy sources with a DC distribution bus comprises a converter unit which comprises an isolated DC-to-DC converter connectable to the renewable energy source, and a non-isolated DC-to-DC converter connectable to the DC distribution bus, which is cascade connected with the isolated DC-to-DC converter.

公开(公告)号：US20180269803A1

公开(公告)日：2018-09-20

申请号：US15988416

申请日：2018-05-24

Applicant: ABB Schweiz AG

Inventor： Thiago-Batista Soeiro ,  Francisco Canales

IPC: H02M7/487 ,  H02M3/158 ,  H02M7/5387

CPC classification number: H02M7/487 ,  H02M3/158 ,  H02M7/5387

Abstract: The present invention is concerned with a four-level voltage source converter topology including two intermediate converter branches connecting two intermediate voltage levels to a load terminal, and including a interconnect switch coupling the two intermediate branches. The interconnect switch replaces two controlled switches present in corresponding four-level prior art topologies. The four-level converter thus requires, for a full bidirectional implementation, only five active switches. The reduced number of active switches/gate drivers and the four available output voltage levels make this solution interesting for lower cost power electronics with improved reliability, good power quality and minimized filtering requirement.