A fault-tolerant power system architecture for aircraft electric propulsion. The fault-tolerant systems continue to operate in the event of the failure of (or one or more faults within) some component. The fault-tolerant design enables the system to continue its intended operation, possibly at a reduced level, rather than failing completely, when some part of the system fails. When a turn-to-turn fault in an AC motor is detected, a motor controller will short three top or three bottom switches in the inverter together (effectively shorting the associated stator windings) to divert fault current from the motor windings to the motor controller, where cooling is available. Also, when a fault in or at the input to a motor controller is detected, the motor controller cuts off power to the motor by issuing a command that causes an upstream contactor with high-voltage DC bus input to open.


    Access

    Download


    Export, share and cite



    Title :

    FAULT-TOLERANT POWER SYSTEM ARCHITECTURE FOR AIRCRAFT ELECTRIC PROPULSION


    Additional title:

    FEHLERTOLERANTE LEISTUNGSSYSTEMARCHITEKTUR FÜR DEN ELEKTRISCHEN ANTRIEB EINES FLUGZEUGS
    ARCHITECTURE DE SYSTÈME D'ALIMENTATION TOLÉRANT AUX PANNES POUR LA PROPULSION ÉLECTRIQUE DES AÉRONEFS


    Contributors:

    Publication date :

    2021-11-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern




    Fault-tolerant power system architecture for aircraft electric propulsion

    SOLODOVNIK EUGENE V / LACAUX FREDERIC / KARIMI KAMIAR J | European Patent Office | 2021

    Free access

    FAULT-TOLERANT POWER SYSTEM ARCHITECTURE FOR AIRCRAFT ELECTRIC PROPULSION

    EUGENE V SOLODOVNIK / FREDERIC LACAUX / KAMIAR J KARIMI | European Patent Office | 2021

    Free access

    FAULT-TOLERANT POWER SYSTEM ARCHITECTURE FOR AIRCRAFT ELECTRIC PROPULSION

    SOLODOVNIK EUGENE V / LACAUX FREDERIC / KARIMI KAMIAR J | European Patent Office | 2021

    Free access

    Fault tolerant hybrid electric propulsion system for aircraft

    HON ROBERT CHARLES / GEMIN PAUL ROBERT | European Patent Office | 2023

    Free access