Electrical and Hybrid Vehicle — Winter 2021

Give Comparisons of Hybrid Electric Vehicles and Conventional Vehicles?

Explain different types of forces acting on vehicle going uphill.

Explain historical development of automobile and development of interest and activity in the EV from 1890 to present day.

What is need of transformation from Rotating Axes (  , ,0) to Stationary Axes (d ,q, 0 ).

Draw and illustrate Equivalent 2 phase induction machine in  , axis and d, q axis.

Compare series hybrid and parallel hybrid system with their merits and demerits.

Explain energy saving potential of hybrid drive trains.

List economic and environmental impact of electric hybrid vehicle.

Explain the steady state modelling of permanent magnet machines?

Explain closed loop induction motor drive with constant volts/Hz control strategy.

What type of operation is known as flux weakening in permanent magnet machines?

List major advantages of permanent magnet machines in Electrical Vehicles.

Draw and Explain typical CAN network for HEVs?

Define the term hybridness?

Explain the difference between ultracapacitor and battery as an energy storage device for EV.

Explain the need of drive cycle for EVs and HEVs and hence explain different drive cycles?

What are the main issues with fuel cells?

Explain the steps to find battery capacity for Electrical or Hybrid Electrical Vehicle.

Define the terms charge capacity, specific energy, energy density, specific power, charge efficiency, energy efficiency, Crate for batteries.

List the optimization based strategies in Hybrid Electrical Vehicles?

Explain about Lithium Based Batteries in Energy Storage System?

Explain the Basic Principle of Super Capacitors based Energy Storage System in Hybrid Electric Vehicles?1

Explain the need of Antilock brake system (ABS)

Explain about Fly Wheel Technologies in Hybrid Electric Vehicles?

Explain Electronically controlled regenerative braking system functioning as an ABS.