An aircraft power system includes an auxiliary power unit (APU), a transmission unit, and a generator. The APU is configured to output a first APU rotational power in response to determining a first condition and a second APU rotational power in response to a determining a second condition. The transmission unit is configured to receive the first APU rotational output power from the APU. The transmission unit outputs a transmission rotational power based on the first APU rotational output power and outputs the transmission rotational power based on the second APU rotational output power. The generator receives the transmission rotational power and produces an alternating current (AC) voltage having a target frequency based on the transmission rotational power.
MULTI-SPEED TRANSMISSION TO CONTROL VARIABLE APU SPEED AND CONSTANT GENERATOR OUTPUT FREQUENCY
MEHRGANGGETRIEBE ZUR STEUERUNG EINER VARIABLEN APU-GESCHWINDIGKEIT UND KONSTANTER GENERATORAUSGANGSFREQUENZ
TRANSMISSION À PLUSIEURS VITESSES POUR COMMANDER UNE VITESSE D'APU VARIABLE ET UNE FRÉQUENCE DE SORTIE DE GÉNÉRATEUR CONSTANTE
2023-10-11
Patent
Electronic Resource
English
CONSTANT SPEED DRIVE TO CONTROL VARIABLE APU SPEED AND CONSTANT GENERATOR OUTPUT FREQUENCY
European Patent Office | 2023
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