Exam Details
| Subject | Industrial Drives | |
| Paper | ||
| Exam / Course | B.Tech. VIEP- Electrical Engineering III (BTCSVI/BTECVI/BTELVI) | |
| Department | School of Engineering & Technology (SOET) | |
| Organization | indira gandhi national open university | |
| Position | ||
| Exam Date | December, 2016 | |
| City, State | new delhi, |
Question Paper
No. of Printed Pages: 3 IBIEEE-016 I
B.Tech. -VIEP -ELECTRICAL ENGINEERING
(BTELVI)
Term-End Examination
December, 2016
OLJC}g '4tIEEE-016 INDUSTRIAL DRIVES
Time: 3 hours Maximum Marks: 70
Note; Attempt any seven questions.
All questions carry equal marks.
Use of calculator is permitted.
Missing data, if any, may be suitably assumed.
1. Write a brief note on the sources employed in electrical drives. What are the main factors which decide the choice of an electrical drive for a given application 10
2. Describe the operation of closed-loop torque control scheme and its application. 10
3. Explain why current sensing is required in electrical drives. What are the common methods of current sensing? 10
4. Describe the operation of four-quadrant DC drives employing non-circulating and circulating current dual converters. 10
5. A fully controlled rectifier is feeding a separately excited motor driving a friction load. The motor is operating in steady state with a rectifier firing angle of 30°. The firing angle is now changed from 30° to 60°. Explain how the motor current and speed will change with time. 10
6. Explain the working of self-controlled synchronous motor drives employing cycloconverter. 10
7. Describe the operation of a brushless DC motor drive. Also write its advantages and applications. 10
8. With the help of suitable waveshapes, explain the operation of a VSI fed induction motor drive. 10
9. Write short notes on any two of the following: 2x5=10
Phase Locked Loop Speed Control
PWM Drives
Slip Power Recovery Scheme
B.Tech. -VIEP -ELECTRICAL ENGINEERING
(BTELVI)
Term-End Examination
December, 2016
OLJC}g '4tIEEE-016 INDUSTRIAL DRIVES
Time: 3 hours Maximum Marks: 70
Note; Attempt any seven questions.
All questions carry equal marks.
Use of calculator is permitted.
Missing data, if any, may be suitably assumed.
1. Write a brief note on the sources employed in electrical drives. What are the main factors which decide the choice of an electrical drive for a given application 10
2. Describe the operation of closed-loop torque control scheme and its application. 10
3. Explain why current sensing is required in electrical drives. What are the common methods of current sensing? 10
4. Describe the operation of four-quadrant DC drives employing non-circulating and circulating current dual converters. 10
5. A fully controlled rectifier is feeding a separately excited motor driving a friction load. The motor is operating in steady state with a rectifier firing angle of 30°. The firing angle is now changed from 30° to 60°. Explain how the motor current and speed will change with time. 10
6. Explain the working of self-controlled synchronous motor drives employing cycloconverter. 10
7. Describe the operation of a brushless DC motor drive. Also write its advantages and applications. 10
8. With the help of suitable waveshapes, explain the operation of a VSI fed induction motor drive. 10
9. Write short notes on any two of the following: 2x5=10
Phase Locked Loop Speed Control
PWM Drives
Slip Power Recovery Scheme
Other Question Papers
Departments
- Centre for Corporate Education, Training & Consultancy (CCETC)
- Centre for Corporate Education, Training & Consultancy (CCETC)
- National Centre for Disability Studies (NCDS)
- School of Agriculture (SOA)
- School of Computer and Information Sciences (SOCIS)
- School of Continuing Education (SOCE)
- School of Education (SOE)
- School of Engineering & Technology (SOET)
- School of Extension and Development Studies (SOEDS)
- School of Foreign Languages (SOFL)
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Subjects
- Active Filter Design
- Advanced Control System
- Advanced Power Electronics
- Applied Electromagnetics
- Basics Of Electrical Engineering
- Computer Process Control
- Control System
- Digital Electronics
- Electric Energy Utilization
- Electrical And Electronics Engineering Materials
- Electrical Instrumentation
- Electrical Machine - I
- Electrical Machines - Ii
- Electrical Machines And Electronics
- Electrical Measurements And Measuring Instruments
- Electro Mechanical Energy Conversion - I
- Electro-Mechanical Energy Conversion - Ii
- Electro-Mechanical Energy Conversion-Iii
- Electromagnetic Theory
- Energy Auditing And Analysis
- High Voltage Engineering
- Industrial Drives
- Micro Controllers
- Microprocessor And Applications
- Network Theory
- Power Quality Issues And Remedial Measures
- Power System
- Power System - I
- Stochastic Control Systems
- Switchgear And Protection