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APU on More Electrical Aircraft : a vision for the future


APU on More Electrical Aircraft : a vision for the future
Publication details: 
off associated with, intent to show a sensible increase of the electrical power required by the different system on-
board. This has a direct impact on the power off take from the main generators during the flight, on the main 
engine operability and also on the APU generator for ground operation. 
In this frame, the Auxiliary Power Unit System architecture needs to evolve. Extention to new functions has to be 
adressed as some technological limitations show off on the main engine for existing but also future architectures. 
MICROTURBO has started to adapt to MEA and AEA by certifying its Bleedless APU, the e_APU60 in May 2013 
and will continue its move by proposing a new answer to Energy On-Board need. This solution named Power On 
Demand system intents to propose ”a la carte” power generation solutions that will be customized to match the 
proper Energy requirement of any type of aircraft architecture. The triple objectives of such system is : 
optimisation of the balance between the Propulsive and non Propulsive Energy On-Board, optimisation of the 
energetical efficiency of the aircraft and reduction of the environmental foot print of present and future aircraft 
program. 
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APU on More Electrical Aircraft : a vision for the future