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Introduction to Hybrid & Electric Vehicle Propulsion

  • Engineers and technical staff wishing to increase their knowledge in the field of hybrid powertrain and to improve their understanding of the associated stakes.
  • To initiate participants to the bases of hybrid and electric vehicles.
Learning Objectives
  • To know the main technical and economical stakes, the basic associated vocabulary, the proposed technologies and the expected fuel economy improvements.
  • To know the main components and technical ways to build an HEV.
Ways and means
  • Talk type training illustrated with a number of examples showing the economical and energy stakes.
  • Real components study.

  • Base definitions, orders of magnitude, why hybrid vehicles? Various hybrid types: hydraulic, pneumatic, inertia wheel, … Impact of the type of vehicle use.
  • Homologation. ZEV running.
  • Stakes for car manufacturers.
Architecture of electric hybrid vehicles
  • General principles.
  • Serial hybrid. Well known examples: rail, bus, …
  • Parallel hybrid. Conventional design.
  • Serial/parallel hybrid, power shunt, Toyota Prius 2, Prius 3, Chevrolet-Volt.
Functionalities offered by electric hybrid vehicles
  • Stop and start, regenerative braking, boost.
  • Operating point optimization, thermal engine load, ZEV driving, impact on ancillaries; other functionalities.
  • Fuel economy improvement.
Hybrids ranking and associated functionalities
  • Micro-hybrid. Benefit, installation, fuel economy.
  • Mild-hybrid. Installation, fuel economy.
  • Full-hybrid, plug-in hybrid. Stakes, necessary infrastructure.
  • Overview of existing hybrids.
  • Toyota Prius, Chevrolet-Volt: description, operating analysis.
Electric vehicles
  • Conventional vehicles with batteries, electric motor, motor wheel: various approach, CO2 values Tank to Wheel or Well to Wheel.
  • Range-extender.
  • Fuel cell.
  • Impact of the context (political, regulation, industrial, economical, …) on technical options.