F 10000EE469122101 Pages: 2

Reg No.: Name:
APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
Seventh Semester B.Tech Degree Regular and Supplementary Examination December 2021 (2015 Scheme)

Course Code: EE469

Course Name: Electric and Hybrid Vehicles

Max. Marks: 100 Duration: 3 Hours
PARTA
Answer all questions, each carries 5 marks. Marks
1 Describe the present technological trends of EVs/EHVs and the challenges (5)

associated with it.

2 Describe the conceptual advantages of a hybrid electric vehicle over electric (5)
vehicles.

3 Write the classification of electric motors used for electric and hybrid electric (5)
vehicles.

4 What is meant by Peukert coefficient, derive the equation for calculating the (5)

Peukert coefficient.
2 Explain peak torque, continuous rating, intermittent overload operation, and (5)
peak overload operation of electric motors used in electric vehicles. Also mark

these parameters in the torque speed characteristics.

6 Discuss the two fundamental sizing constraints of electrical motor in EV/EHV. (5)

7 Explain the minor functions of control systems in EV/HEVs. (5)

8 Explain the use of control area network in electric vehicles. (5)
PART B

Answer any two full questions, each carries 10 marks.
9 a) Explain with block diagram, the major components of pure electric and pure (4)
gasoline vehicles.
b) Explain with neat figure the translation of fuel energy into work at the wheels (6)
for a typical midsize vehicle in urban and highway driving.
10 a) What is meant by acceleration performance of vehicle and derive the (6)

corresponding equation.

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