A hybrid-electric propulsion system includes a motor drive and a rechargeable energy storage system electrically connected to the motor drive. The hybrid-electric propulsion system also includes a gas turbine engine operatively connected to the motor drive and the rechargeable energy storage system and an emergency power source operatively connected to the motor drive. A method for providing emergency power to a hybrid electric propulsion system includes determining whether one of an main engine power source and a rechargeable energy storage system are available for powering a motor drive. The method includes initiating a single-use emergency power source for powering the motor drive if the main engine power source and the rechargeable energy storage system are unavailable.


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    Title :

    EMERGENCY POWER SOURCES FOR PROPULSION SYSTEMS


    Contributors:

    Publication date :

    2016-06-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / F02C Gasturbinenanlagen , GAS-TURBINE PLANTS



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