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1. (WO2018197363) POWER MODULE BASED ON NORMALLY-ON SEMICONDUCTOR SWITCHES

Pub. No.:    WO/2018/197363    International Application No.:    PCT/EP2018/060227
Publication Date: Fri Nov 02 00:59:59 CET 2018 International Filing Date: Sat Apr 21 01:59:59 CEST 2018
IPC: H02M 1/32
Applicants: ABB SCHWEIZ AG
Inventors: DROFENIK, Uwe
CANALES, Francisco
LIU, Chunlei
BREM, Franziska
Title: POWER MODULE BASED ON NORMALLY-ON SEMICONDUCTOR SWITCHES
Abstract:
A power module (10) comprises a plurality of normally-on semiconductor switches (14) based on a wide bandgap substrate, the normally-on semiconductor switches (14) connected in parallel; and a balancing unit (24) comprising a capacitor (32) and a balancing semiconductor switch (34) connected in series, which are connected in parallel to the normally-on semiconductor switches (14).