Disclosed is a system for a gas turbine engine, the gas turbine engine comprising a primary shaft, the system including a rotor shaft; a plurality of components connected to the rotor shaft, including a wound field synchronous main machine (MM) and a permanent magnet generator (PMG); and wherein the PMG, alone or with the MM provide torque to change rotational speed of the rotor shaft, thereby changing rotational speed of the primary shaft.
System and method for driving electrically driving a gas turbine engine via a wound field synchronous machine assisted by a PMG
2020-07-28
Patent
Elektronische Ressource
Englisch
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