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：US10797586B2

公开(公告)日：2020-10-06

申请号：US16663868

申请日：2019-10-25

Applicant: ABB Schweiz AG

Inventor： Uwe Drofenik ,  Francisco Canales ,  Chunlei Liu ,  Franziska Brem

IPC: H02M1/32 ,  H01L25/065 ,  H03K17/567 ,  H03K17/687

Abstract: A power module included a plurality of normally-on semiconductor switches based on a wide bandgap substrate, the normally-on semiconductor switches connected in parallel; and a balancing unit including a capacitor and a balancing semiconductor switch connected in series, which are connected in parallel to the normally-on semiconductor switches.

公开(公告)号：US20180351474A1

公开(公告)日：2018-12-06

申请号：US15993019

申请日：2018-05-30

Applicant: ABB Schweiz AG

Inventor： Uwe Drofenik ,  Franziska Brem ,  Francisco Canales

IPC: H02M7/5387 ,  H02S40/32 ,  H02S40/38 ,  H02J7/00 ,  H02J7/35

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：US20200059155A1

公开(公告)日：2020-02-20

申请号：US16663868

申请日：2019-10-25

Applicant: ABB Schweiz AG

Inventor： Uwe Drofenik ,  Francisco Canales ,  Chunlei Liu ,  Franziska Brem

IPC: H02M1/32 ,  H03K17/567 ,  H03K17/687 ,  H01L25/065

Abstract: A power module included a plurality of normally-on semiconductor switches based on a wide bandgap substrate, the normally-on semiconductor switches connected in parallel; and a balancing unit including a capacitor and a balancing semiconductor switch connected in series, which are connected in parallel to the normally-on semiconductor switches.

公开(公告)号：US20190355634A1

公开(公告)日：2019-11-21

申请号：US16529295

申请日：2019-08-01

Applicant: ABB Schweiz AG

Inventor： Chunlei Liu ,  Juergen Schuderer ,  Franziska Brem ,  Munaf Rahimo ,  Peter Karl Steimer ,  Franc Dugal

IPC: H01L23/051 ,  H01L23/62 ,  H01L23/492 ,  H01L23/00 ,  H01L25/07 ,  H01L29/16

Abstract: A power semiconductor device includes a base plate; a Si chip including a Si substrate, the Si chip attached to the base plate; a first metal preform pressed with a first press pin against the Si chip; a wide bandgap material chip comprising a wide bandgap substrate and a semiconductor switch provided in the wide bandgap substrate, the wide bandgap material chip attached to the base plate; and a second metal preform pressed with a second press pin against the wide bandgap material chip; the Si chip and the wide bandgap material chip are connected in parallel via the base plate and via the first press pin and the second press pin; the first metal preform is adapted for forming a conducting path through the Si chip, when heated by an overcurrent; and the second metal preform is adapted for forming an temporary conducting path through the wide bandgap material chip or an open circuit, when heated by an overcurrent.