Electrical and Hybrid Vehicle — Summer 2023

What are the main issues with fuel cells?

What is drive system efficiency?

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

Classify of different energy management strategies.

What is Driving Cycle?

Explain the impact of modern drive-trains on energy supplies.

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

Define the term Hybridization?

Explain about Lithium Based Batteries in Energy Storage System?

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

Explain different types of forces acting on vehicle going uphill.

What are the steps to find battery capacity for Electrical or Hybrid Electrical Vehicle?

Explain the configuration and control of Induction Motor drives in EV.

Explain the need of Antilock brake system (ABS)

Why permanent magnet machines advantageous in Electrical Vehicles?

Explain power flow control in electric drive-train topologies.

How Hybrid Electric Vehicles differ from Conventional Vehicles?

Explain the steady state modelling of permanent magnet machines.

State various charging techniques with schematics of charging stations.1

What economic and environmental impact of electric hybrid vehicle?

Explain about Fly Wheel Technologies in Hybrid Electric Vehicles?

State the merits and demerits of series hybrid and parallel hybrid system.

What is flux weakening in permanent magnet machines?

Differentiate between ultracapacitor and battery as an energy storage device for EV.

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