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1. (WO2018050638) MULTI-SEMICONDUCTOR SOLID STATE POWER CONTROLLERS AND METHOD FOR MANAGING INDUCTIVE SWITCHING TRANSIENTS THEREOF

Pub. No.:    WO/2018/050638    International Application No.:    PCT/EP2017/072892
Publication Date: Fri Mar 23 00:59:59 CET 2018 International Filing Date: Wed Sep 13 01:59:59 CEST 2017
IPC: H02H 7/22
H02H 9/00
H03K 17/081
Applicants: GE AVIATION SYSTEMS LIMITED
Inventors: HANDY, Peter James
TYLER, Peter Michael
MAYES, Julian Peter
Title: MULTI-SEMICONDUCTOR SOLID STATE POWER CONTROLLERS AND METHOD FOR MANAGING INDUCTIVE SWITCHING TRANSIENTS THEREOF
Abstract:
Provided is a method and system that includes a direct current solid state power controller 100 that includes a plurality of switching devices 120 connected in parallel for performing switching, one or more main transient voltage suppressors (TVSs) 130 to perform voltage clamping, a plurality of parasitic inductances 134a-d each connected in series with a switching device of the plurality of switching devices, and a plurality of local TVSs 136a, b, each connected in parallel with a series connection of a switching device and at least one parasitic inductor of the plurality of parasitic inductances, to dissipate energy stored within the at least one parasitic inductor of the plurality of parasitic inductances.