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Gujarat Technological University

This document outlines the examination details for the Electrical and Hybrid Vehicle subject at Gujarat Technological University for Winter 2023. It includes instructions for the exam, a breakdown of questions covering various topics related to electric vehicles, and marks distribution. The exam covers aspects such as electric drive train topologies, vehicle comparisons, challenges in electric vehicle development, and energy storage technologies.

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kbbhatt1239
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47 views2 pages

Gujarat Technological University

This document outlines the examination details for the Electrical and Hybrid Vehicle subject at Gujarat Technological University for Winter 2023. It includes instructions for the exam, a breakdown of questions covering various topics related to electric vehicles, and marks distribution. The exam covers aspects such as electric drive train topologies, vehicle comparisons, challenges in electric vehicle development, and energy storage technologies.

Uploaded by

kbbhatt1239
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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Seat No.: ________ Enrolment No.

___________

GUJARAT TECHNOLOGICAL UNIVERSITY


BE - SEMESTER–VII (NEW) EXAMINATION – WINTER 2023
Subject Code:3170923 Date:01-12-2023
Subject Name: Electrical and Hybrid Vehicle
Time: 10:30 AM TO 01:00 PM Total Marks:70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
4. Simple and non-programmable scientific calculators are allowed.

MARKS

Q.1 (a) Enlist the various types of electric drive train topologies used in the present. 03
(b) Give the comparison of IC engine vehicle, Hybrid EV and Battery EV. 04
(c) Discuss the challenges in development of electric vehicle and how to overcome 07
it.

Q.2 (a) Write the advantages of adopting electrical vehicles in public & goods 03
transport in India.
(b) Draw the architecture of series hybrid and parallel hybrid EV. 04
(c) Draw schematic diagram and explain Fuel cell based electrical vehicle and also 07
discuss its limitations.
OR
(c) Derive the expressions for various forces acting on the vehicle while moving 07
on a flat surface.

Q.3 (a) Define rolling resistance for electric vehicle. 03


(b) Discuss the aerodynamic force and aerodynamic drag in SUV car & Sedan car 04
and conclude which one has perfect aerodynamic design.
(c) Draw and explain series-parallel hybrid electrical vehicle in detail. Also 07
indicate power flow directions while vehicle moving towards down-hill.
OR
Q.3 (a) Write the advantage of Switch Reluctance Motor. 03
(b) Explain V/f speed control method for induction motor based EV. 04
(c) Draw and explain configuration of DC motor drive and its control strategy. 07

Q.4 (a) Enlist the limitation of Lead-Acid battery related to its application in EV. 03
(b) Differentiate Super capacitor and Battery. 04
(c) Draw and explain Fly wheel based energy storage system with its limitation. 07
OR
Q.4 (a) Define C rate of battery for charging and discharging. 03
(b) Define the following term related to battery 04
(1) Specific Power (2) Specific Energy
(c) Enlist various Fuel cell based energy generation technologies and discuss any 07
one Fuel cell based energy generation in detail with schematic diagrams.

Q.5 (a) Explain the braking of EV with & without Antilock Brake System (ABS). 03
(b) Explain Solar powered electric vehicle with its limitation. 04
(c) Write the different types of energy storage technologies suitable for hybrid 07
electrical vehicle. Explain the Lithium-ion battery in detail.
OR

1
Q.5 (a) Give the classification of different energy management strategies in EVs. 03
(b) Draw and explain battery charging system for EVs. 04
(c) Explain electronically controlled regenerative braking system for Hybrid 07
electric vehicle and Battery electric vehicle with schematic diagram.

*************

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