A method for protecting an electric propulsion system in response to occurrence of a fault. The method includes the step of activating short circuits in power switches of inverters in a motor controller to redirect current regenerated by a motor which is electrically coupled to the motor controller and mechanically coupled to a propeller. The method further includes feathering the propeller while the motor is regenerating current. The protection logic is designed to address different types of faults, including faults in the high-voltage direct-current bus, faults in the motor controller, and faults in the motor.
PROTECTION SYSTEM FOR AIRCRAFT ELECTRIC PROPULSION MOTOR AND MOTOR CONTROLLER
SYSTEME DE PROTECTION POUR UN MOTEUR DE PROPULSION ELECTRIQUE D'AERONEF ET CONTROLEUR DE MOTEUR
2022-03-20
Patent
Electronic Resource
English
Protection System for Aircraft Electric Propulsion Motor and Motor Controller
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