B.TechSemester 72024-25Electric DrivesKEE075

Electric Drives (KEE075) - AKTU Question Paper 2024-25

B.Tech · Semester 7 · Free PDF Download

This is the official AKTU Electric Drives Previous Year Question Paper for B.Tech Semester 7, academic session 2024-25. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:B.Tech

Semester:Semester 7

Session:2024-25

University:AKTU / UPTU

Rate this paper

Questions Asked in 2024-25

Electric Drives (KEE075) — complete question paper · 100 marks · 3 Hours

Section AAttempt all questions in brief. 2 x 10 = 20

a
Discuss the different compone nts of electric drive
b
Discuss the role of power elect ronic converters in electric drives
c
Define steady state stability of electric drives
d
Name four types of mechanical loads
e
Explain why electric braking is preferred over mechanical brak ing in certain applications?
f
Define dynamic braking in the context of electric drive
g
Define firing angle and extincti on angle in power electronic converters
h
Explain the relation between the power factor and distortion f actor in power converters. i. Differentiate between VSI and CSI in static frequency control. 5 K 4 j. Explain the fact that voltage control affects the speed of an induction motor?

Section BAttempt any three of the following: 10 x 3 = 30

a
Explain the characteristics of active and passive load
b
Define load equalization. Why is it critical in electric dri ve systems?
c
Explain the concept of plugging in DC motor. What precaution s are necessary to avoid damage during plugging?
d
D i s c u s s h o w t h e f i r i n g a n g l e o f t h e c o n v e r t e r a f f e c t t h e s p eed and torque of the motor
e
Explain the operation of Brush less DC motor drive in detail. 5 K 6

Section CAttempt any one part of the following: 10 x 1 = 10

a
Explain the concept of speed-torque conventions in electric drives
b
Classify load torque based on its nature and provide example s for each type
a
Explain why the inertia of a load affect the dynamics of a m otor-load combination?
b
Describe the process of deter mining motor power rating for s hort-time duty
a
Describe dynamic braking in three-phase induction motor. Wha t additional components are required to implement it?
b
Explain the principle of plugging in three-phase induction m otor. Also discuss its impact on the motor operation?
a
Explain the impact of varying the firing angle of the rectif ier on the performance of a DC series motor
b
Explain the working of a dual converter in motoring and brak ing modes for a separately excited DC motor
a
Differentiate between Volta ge Source Inverter (VSI) and Curr ent Source Inverter (CSI) in the context of induction motor drive
b
Describe the working principle of a static rotor resistance control scheme and its impact on efficiency

Question text is extracted from the official AKTU question paper PDF above. Hindi translations are omitted — every question is printed in English in the original paper. Last verified: 2026-08-23.

Electric Drives — Other Year Papers

AKTU Electric Drives PYQs from other sessions

Electric Drives2022-23

More B.Tech Semester 7 (2024-25) Papers

Other subjects from same semester and session

Additive Manufacturing2024-25 Machine Learning2024-25 Maintenance Engineering Management2024-25 Disaster Preparedness And Management2024-25 Speech Processing2024-25 Power Plant Engineering2024-25 Vlsi Design2024-25 Wireless Mobile Communication2024-25

View all B.Tech Semester 7 2024-25 papers →

Syllabus & More PYQs

Paper solve karne se pehle unit-wise syllabus dekh lo

AKTU 4th Year PYQs — All Branches