Hybrid Vehicles:
Introduction to HVs, Performance characteristics of road vehicles; calculation of road load, predicting fuel economy, grid -connected hybrids.
Hybrid architecture:
Series configuration- locomotive drives, series parallel switching, load tracking architecture. Pre transmission parallel and combined configurations-Mild hybrid, power assist, dual mode, power split, power split with shift, Continuously Variable transmission (CVT), wheel motors
Propulsion methods:
DC motors-series wound, shunt wound, compound wound and separately excited motors AC motors-Induction, synchronous, brushless DC motor, switched reluctance motors.
Hybrid power plant specifications:
Grade and cruise targets, launching and boosting, braking and energy recuperation, drive cycle implications, engine fraction-engine downsizing and range and performance, usage requirements.
Sizing the drive system:
Matching electric drive and ICE, sizing the propulsion motor; sizing power electronics
Energy storage technology:
Battery basics; lead-acid battery; different types of batteries; battery parameters, Battery Recycling.
Fuel cells:
Fuel cell characteristics, fuel cell types – alkaline fuel cell, proton exchange Membrane; direct methanol fuel cell, phosphoric acid fuel cell, molten carbonate fuel cell, solid oxide fuel cell, hydrogen storage systems, reformers, fuel cell EV, super and ultra capacitors.
Electric vehicles:
Introduction: Limitations of IC Engines as prime mover, History of EVs, EV system, components of EV-DC and AC electric machines: Introduction and basic structure-Electric vehicle drive train-advantages and limitations, Permanent magnet and switched reluctance motors-EV motor sizing: Initial acceleration, rated vehicle velocity, Maximum velocity and maximum grade ability
Course outcomes:
At the end of the course the student will be able to:
Question paper pattern:
The SEE question paper will be set for 100 marks and the marks scored will be proportionately reduced to 60.
Textbook/ Textbooks
(1) Mike Westbrook, M H Westbrook , Development & Future of Battery The Institution of Electrical Engineers, UK and SAE, USA1 st Edition, reprint 2005
(2) Robin Hardy, Iqbal Husain Electric and Hybrid Vehicles CRC Press, 1 st Edition 2003
Reference Books
(1) International Energy Agency, France Energy Technology Analysis Prospects for Hydrogen and Fuel Cells OECD, 2005 1 stEddition
(2) Hamid A Toliyat, Gerald B Kliman Handbook of Electric Motors Marcel Decker Inc. 2 nd Edition, 2004