US 12,132,438 B2
Induction motor control via generator control unit
Stephen Minshull, Bromsgrove (GB); and Parminder Sangha, West Midlands (GB)
Assigned to Hamilton Sundstrand Corporation, Charlotte, NC (US)
Filed by Hamilton Sundstrand Corporation, Charlotte, NC (US)
Filed on Sep. 9, 2022, as Appl. No. 17/941,709.
Claims priority of application No. 21275143 (EP), filed on Oct. 4, 2021.
Prior Publication US 2023/0108689 A1, Apr. 6, 2023
Int. Cl. H02P 27/06 (2006.01); F01D 7/00 (2006.01); F02C 6/00 (2006.01); H02P 9/00 (2006.01); H02P 9/08 (2006.01); H02P 101/25 (2016.01); H02P 101/30 (2015.01)
CPC H02P 9/08 (2013.01) [F01D 7/00 (2013.01); F02C 6/00 (2013.01); H02P 9/006 (2013.01); H02P 2101/25 (2015.01); H02P 2101/30 (2015.01)] 15 Claims
OG exemplary drawing
 
1. A propulsion system comprising:
a generator configured to be driven by a shaft of a thermal engine and generate electrical power;
an induction motor electrically coupled to an output of the generator and configured to generate a rotational output in response to the electrical power provided by the generator;
a generator control unit, (‘GCU’), configured to control an output voltage of the generator so as to limit a current supplied to the induction motor during start-up of the propulsion system; and
a switch electrically coupled between the generator and the induction motor, wherein the switch is controllable by the GCU.