Fundamentals of EV and Hybrid Transmission Systems
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Fundamentals of EV and Hybrid Transmission Systems

Fundamentals of EV and Hybrid Transmission Systems

A One-Day Class

For anyone interested in the differences and nuances of hybrid and EV (Electric Vehicle) transmission systems, this course provides a solid, basic understanding.  The material is tailored to expand your lexicon and comprehension of automotive transmission nomenclature by highlighting the differences and similarities.  Whether it is a transaxle for a front-wheel drive EV or a combiningtype drive system for a hybrid powertrain, this course covers all aspects that are shared with the more traditional stepped manual and automatic transmissions, as well as delve deeper into the differences.  More specifically, we address one-speed transaxles (single and multi-step), multi-speed gearboxes, and combining power-split devices (i.e. eCVT, etc.).   We explain the layout, operation and reasons to choose between the various technologies.  Finally, we discuss power-flow, efficiency, design and manufacturing issues and touch on maintenance considerations. 


Learning Objectives 

By completing this course, you will be able to identify, recognize or articulate: 

  • The big picture of the current status of hybrid technologies 
  • The key challenges of powertrains for hybrid vehicles 
  • The various hybrid powertrain configurations 
  • How to have productive debate and discussion about hybrid technologies 


Who Should Attend 

The intended audience for this class is anyone interested in hybrid powertrains and electric vehicle transaxles. 



No requirements except an interest in the subject matter. 



  • Powertrains for Hybrid Electric Vehicles (HEV) 
  • How hybrid drive systems work 
  • Various HEV configurations and their operation modes 
  • The history of hybrids; series and parallel designs