Exam Details
| Subject | Special Electrical Machines | |
| Paper | ||
| Exam / Course | Diploma -VIEP-Electrical Engineering (DELVI)/Advanced Level Certificate Course In Electrical Engineering (ACELVI) | |
| Department | School of Engineering & Technology (SOET) | |
| Organization | indira gandhi national open university | |
| Position | ||
| Exam Date | June, 2016 | |
| City, State | new delhi, |
Question Paper
No. of Printed Pages: 3 fBIEEE-OOSI
B.Tech. -VIEP -ELECTRICAL ENGINEERING (BTELVI)
Term-End Examination
00816 June, 2016
BIEEE-003 SPECIAL ELECTRICAL MACHINES
Time hours Maximum Marks: 70
Note: Attempt any five questions. All questions carry equal marks. Use of scientific calculator is allowed.
1. Describe the slip power recovery control scheme in Static Kramer's Drive. 7
Explain the construction and operation of capacitor start capacitor run induction motor. Also draw its slip-torque characteristics. 7
2. Draw and explain the torque-speed characteristics of two phase AC servomotor. 7
Enlist the applications of AC servomotors•and stepper motors. 7
3. Explain the phenomenon of providing high rotor resistance during starting of squirrel cage induction motor using: 2x7=14
double cage rotor
deep bar rotor
4. What are the criteria for selecting a suitable drive circuit for a stepper motor Explain unipolar drive circuit with proper diagrams. 7
Describe the constructional features of a permanent magnet stepper motor. Also explain its principle of operation with neat sketches. 7
5. Explain the features and applications of brushless DC motor (BLDC) in detail. 7
How is linear force produced in linear induction motor Also enlist its industrial applications. 7
6. Draw the hysterisis loop of a permanent magnet. Also explain its magnetization characteristics. How does the demagnetizing effect influence its characteristics 7
Explain the construction and operation of a single phase synchronous motor. 7
7. Write short notes on any two of the following: 2x7=14
Shaded pole induction motor
Repulsion motor
PM (Permanent Magnet) AC motor
B.Tech. -VIEP -ELECTRICAL ENGINEERING (BTELVI)
Term-End Examination
00816 June, 2016
BIEEE-003 SPECIAL ELECTRICAL MACHINES
Time hours Maximum Marks: 70
Note: Attempt any five questions. All questions carry equal marks. Use of scientific calculator is allowed.
1. Describe the slip power recovery control scheme in Static Kramer's Drive. 7
Explain the construction and operation of capacitor start capacitor run induction motor. Also draw its slip-torque characteristics. 7
2. Draw and explain the torque-speed characteristics of two phase AC servomotor. 7
Enlist the applications of AC servomotors•and stepper motors. 7
3. Explain the phenomenon of providing high rotor resistance during starting of squirrel cage induction motor using: 2x7=14
double cage rotor
deep bar rotor
4. What are the criteria for selecting a suitable drive circuit for a stepper motor Explain unipolar drive circuit with proper diagrams. 7
Describe the constructional features of a permanent magnet stepper motor. Also explain its principle of operation with neat sketches. 7
5. Explain the features and applications of brushless DC motor (BLDC) in detail. 7
How is linear force produced in linear induction motor Also enlist its industrial applications. 7
6. Draw the hysterisis loop of a permanent magnet. Also explain its magnetization characteristics. How does the demagnetizing effect influence its characteristics 7
Explain the construction and operation of a single phase synchronous motor. 7
7. Write short notes on any two of the following: 2x7=14
Shaded pole induction motor
Repulsion motor
PM (Permanent Magnet) AC motor
Other Question Papers
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- Centre for Corporate Education, Training & Consultancy (CCETC)
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Subjects
- Basics of Electrical Engineering
- C - Programming
- Computer Applications In P.S.
- Control Systems
- Digital Control System
- Digital Control System Design
- Dynamics System Simulation
- Electrical Circuit Theory
- Electrical Engineering Material
- Electrical Installation and System
- E l e c t r i c a l M a c h i n e T h e o r y I I
- Electrical Machines-I
- Electrical Measurements And Instruments
- Electrical Power Transmission and Distribution
- Energy Audit
- Flexible Ac Transmission System
- Industrial Drives and Controls
- Mechatronics
- Power Generation System
- Power Plant Economics And Centering
- Power System Reliability
- Principles of Computer Architecture
- Special Electrical Machines
- Switchgear And Protection
- Utilization Of Electrical Engineering