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Hybrid & Electric Powered Aircraft

MOT/HYAERO-E
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Who should attend?

  • This course provides newcomers and staff working in the field of aeronautics with a deeper knowledge on the new ways (based on electrification) which the world of aviation is moving towards to concerning propulsion or auxiliary power generation.
  • It also covers the electrification of aircraft combustion engines to replace traditional pneumatic or hydraulic actuators.
Audience :
  • Engineers, managers and technicians wishing to improve their knowledge of aerospace alternatives in electrical and hybrid propulsion systems and aeronautical combustion engines electrification.

Level : Foundation

Course Content

  • Introduction to aeronautics

      • Aeronautical technology reminders. Positioning technique: type of use, conditions of use, power range, aircraft associated; products, strategies and markets. Issues and context.
      • Technology: two classes of hybrid architectures (serial, parallel); power branching systems, electrical lead.
      • Earnings function of consumption, energy recovery, energy optimization, comparing benefits, pollution.
      • New bodies: the engine, electric motor, inverter, converter, booster, battery.
      • Panorama, techno-economic assessment and conclusions.
      • Mission profiles: mission profiles of electric and hybrid engines by kind of aircraft and aircraft operations; stages of life; operating points.
      • Definition of power requirement. Stabilized and transient operation related to flight mechanics. Influence of the environment: altitude, pressure, temperature, speed, ice, resistance to damage (lightning, obstacles etc.). Specifications for auxiliary power generation unit (APU).
      • Electrification engines: using electric actuators instead of hydraulic and pneumatic traditional aeronautical combustion engines.
      • Design and production: regulation and certification.

  • On board energy storage systems

      • Electrochemical battery: principle of operation, characteristics and performance of different technologies (nickel-cadmium, nickel hydrogen, lithium ion, lithium polymer, …).
      • Supercapacitors: principle and performance. Integration into an aircraft.
      • Fuel cells.

  • Power electronics

      • Power components: MOSFET, IGBT, SiC, NGa…
      • Electronic structures of power: DC-DC converters, DC-AC…
      • Power characteristics, layout constraints, thermal and vibration aspects.
      • Electromagnetic compatibility.
      • Circuits involved in the making of aircraft: electrical, hydraulic, air conditioning, oxygen, icing and fuel, as well as the main organs that compose them.

  • Electric motors

      • Different technologies of electric motors: principle of operation, characteristics, performance, evolution.
      • Layout constraints: compact cooling; examples of applications on aircraft.

  • Electric & hybrid engine management

      • How to order electric motors, various converters? Which physical principles? For what?
      • Main functions related functions.

  • Hybrid control of rocket & energy management

      • Energy flow and energy supervision.
      • Objectives and constraints: consumption, energy balance, energy recovery, boost function, validation.
      • Techniques: empirical tests, aircraft application case, proposed improvements to empirical controllers, optimal controllers.
      • Synthesis and validation of controllers: system usage models, optimization methods.

  • Thermal management

      • Thermal management of electrical components: battery, electrical machines, power electronics.

  • Electric & auxiliary power production

      • Definition of the APU. Functions and uses of APU. The main AC and DC networks. Power generation. Power electronics. Electrical network architecture.
      • Consumer power: electric actuators, other consumers defrost, light.
      • Focus. Preparing for powering an aircraft. Preparation of the first flight.
      • The quality of the embedded network. Harmonics, power factor The outlook for the electrical system. Problem of carbon fuselages.

  • Aircraft engines electrification

      • Electrical actuator: context, issues, technologies, application examples.

Learning Objectives

  • Upon completion of the course, participants will be able to:
  • assess the needs and constraints of aircraft engines based on their utilization,
  • know the general context of current hybridization and the different forms of hybridization,
  • master the basic principles and specifications of hybrid and electrical propulsion systems developed for the aerospace industry,
  • know the main stages of life of electrical or hybrid propulsion engines,
  • know the main stages of life of hybrid auxiliary power supplies,
  • know the operating principles and limits of electrical and hybrid engines, batteries and power electronics,
  • understand the specific aeronautical elements constituting the hybrid and electric systems,
  • know the certification requirements of these new technologies.

Ways & Means

  • Mainly interactive, supported by real examples, it addresses the main technical areas of electrical and hybrid aircraft engines.