This paper studies the technical characteristics of a start system for aircraft engines. By using the latest improvements in power electronics and digital controls this system eliminates the conventional Air Turbine Starter (ATS) or DC starter by driving the generator installed on the engine as a motor to achieve the start.The presented start system enables a completely new architecture in today's modern and efficient aircraft using the More Electric Architecture (MEA), since bleed air is not required to start the main engines. The MEA increases the overall efficiency of the aircraft by electrically driving the Environmental Control System (ECS) and other major systems such as anti-ice, landing gear, hydraulics etc.This start system eliminates the ATS and its equipment (bleed valve, clutch) for the larger engines or the DC Starter, while providing a start where the engine is accelerated up to 80% idle speed vs. 50-60% provided by the previous Starter. This can extend the engine life by maintaining lower temperatures during start.


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    Title :

    Study on Main Engine Start for More Electric Architecture Aircraft


    Additional title:

    Sae Technical Papers


    Contributors:
    Anghel, Cristian (author) / Xu, Ming (author)

    Conference:

    Power Systems Conference ; 2006



    Publication date :

    2006-11-07




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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