AU3001 Electric Two and Three Wheelers Syllabus:
AU3001 Electric Two and Three Wheelers Syllabus – Anna University Regulation 2021
COURSE OBJECTIVE:
The objective of this course is to provide the students with the knowledge on the design, operation and control of electric two and three wheelers
UNIT I DESIGN CONCEPTS FOR ELECTRIC TWO AND THREE WHEELER
Choosing a Frame and Body-Selecting a Frame-Standard Measurements and Formulas- EV Weight- Aerodynamic Drag Force-Relative Wind Contributes to Aerodynamic Drag- Wheel Well and Underbody Airflow- Rolling Resistance-Gradability- Horsepower, Torque, and Current Calculations- Energy Comparison in Electric Vehicles-Gear Ratio Calculations.
UNIT II BATTERIES FOR EV
Range of EV and battery trend. Batteries for Powering Electric Bikes- Battery Selection- – Battery Types, Components, and Performance- Lead-Acid Battery-Its Limits for Electric Bike Propulsion Nickel-Cadmium Batteries for Electric Bike Propulsion- Lithium Ion Batteries for Electric Bike Propulsion. Battery Charging- Charge Control of Long-Life Bike Batteries- Charging Solutions for Lithium Batteries- Two-Step Charging, Three-Step Charging- Charging with Pulses and Rest Periods.
UNIT III FUNDAMENTAL PRINCIPLES OF ELECTRIC MOTORS
Brush-and-Commutator Motor- Induction Motors-Permanent Magnet Synchronous Motors- BLDC – Motor Characteristics for Electric Bike Propulsion- Torque-Speed Characteristics- Motor Output Power-Motor Control- Different type of Motor Control- Working principle of Motor Control-Testing and Troubleshooting of Motor Control.
UNIT IV POWER ELECTRONICS INTERFACE
Power electronics interface – basic devices and components-Convertors and invertors-Traction motors-Battery modules and pack-Sizing of battery pack-Mechanical and thermal design of battery pack-Motor Control- Different type of Motor Control- Working principle of Motor Control-Testing and Troublshooting.
UNIT V ECONOMICS, REGULATIONS AND POLICY
Future projections-Laws and Regulations-EV Standards- Safety of Vehicle and Passengers Goveming Electric Bikes,Total cost of ownership-Running Cost-Pay back period-Indian EV policies- Electricity Requirements-Battaery Recycling-Impact on Environment.
TOTAL: 45 PERIODS
REFERENCES:
1. Electric Motorcycles 2019: A Guide to the Best Electric Motorcycles and Scooters, Micah Toll, ISBN-10 : 0989906728, ISBN-13 : 978-0989906722, Atlantic Publishers and Distributors, 10 April 2019
2. Iqbal Husain, ELECTRIC and HYBRIDVEHICLES, Design Fundamentals, CRC Press, 2003.
3. M. Ehsani, Y. Gao, S. Gay and A. Emadi, Modern Electric, Hybrid Electric, and Fuel Cell Vehicles, CRC Press, 2005.
COURSE OUTCOMES:
At the end of this course, students will be able to
1. Understand the design concepts for electric two and three wheeler
2. Familiarize the battery system
3. Know the types, principles and applications of electric motors
4. Recognize the importance of power electronics in electric automotives
5. Analyse the economics and policies related to E vehicles