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    NEWS | Airbus Helicopters Racer
    #270VDC

    High Voltage at 270 VDC in Fast Helicopters


    Airbus RACER, a fast compound helicopter with a cruise speed of 220 knots being developed for the European Clean Sky 2 Fast Rotorcraft Innovative Aircraft Demonstrator Platform, will incorporate a 270 VDC high voltage network from 9eGEN

    * The use of high voltage systems like the 9eGEN 270 VDC instead of the usual 28 VDC will ensure helicopters stronger sources of electricity which will increase power efficiency and reduce weight




    Airbus RACER, a fast compound helicopter with a cruise speed of 220 knots being developed for the European Clean Sky 2 Fast Rotorcraft Innovative Aircraft Demonstrator Platform, will incorporate a 270 VDC high voltage network from 9eGEN

    High Voltage at 270 VDC in Fast Helicopters


    CleanSky, March 14, 2020 - The use of high voltage systems will ensure that helicopters have access to stronger sources of electricity, which will increase power efficiency and reduce weight.

    The 9eGEN project (coordinated by ASE S.p.A. in Milan) recently developed the first prototype model (B1) of a 270VDC Generator and successfully validated the majority of the key elements through laboratory testing.

    The 9eGEN system consists of two main devices – the first is the high voltage 9-phase polygon connected generator mounted on the main gearbox of the helicopter, which will convert the mechanical power of the main gearbox into electric power at 270 VDC.

    The second device is called a Generator Control Unit (GCU), which regulates the power output. In case of overvoltage or overcurrent, the GCU has built-in protective capabilities and communication facilities which will keep the situation under control.

    Now that the prototype has been developed, it will soon be integrated into the Electro-Generation Distribution System test bench at the Airbus Helicopter site in Marignane, France. This is a significant step in its journey – eventually, the 9eGEN B2 prototype will become part of the RACER (Rapid And Cost-Effective Rotorcraft) demonstrator.

    RACER, a fast compound helicopter with a high cruise speed of around 220 knots, is part of the Clean Sky 2 Fast Rotorcraft Innovative Aircraft Demonstrator Platform.

    It will incorporate speed and agility with sustainability, and the 270 VDC high voltage network that is being developed by 9eGEN will work together with the usual 28 VDC network to power RACER.

    The use of high voltage systems in helicopter will lead to more powerful electrical sources routed with low electrical wiring gauge with positive impact in power efficiency and weight reduction.


    High Voltage at 270 VDC in Fast Helicopters



    This article is listed in :
    Programs: Urban Air Mobility
    Airbus Helicopters Racer
    --Helicopters Engines
    Clean Sky European Commission



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