Exam Details
| Subject | Electrical Machines And Electronics | |
| 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 | June, 2016 | |
| City, State | new delhi, |
Question Paper
1. Describe the power measurement by wattmeter methods and derive an expression for power factor when the power is measured in a polyphase circuit for balanced load by two-wattmeter method. Explain this with the help of phasor diagrams.
2. Why does the primary current of a transformer increase when a load is connected across the secondary Derive the equation for efficiency and voltage regulation for a single phase transformer.
3. A 2200/220 single phase transformer has maximum possible voltage regulation of and it occurs at power factor of 0·3. Find the load voltage at full load at power factor of 0.8 lead.
4. Describe the working principle of a single phase induction motor. Describe the torque -slip characteritics of a single phase induction motor.
5. Classify different types of single phase induction motors. Also, explain the working principle for anyone of them with a neat schematic diagram.
6. Describe the different sizes of motors available in the market and also explain the steady and dynamic characteristics of electric drives.
7. What are the factors that affect the selection of motors What is the importance of load equalization
8. Describe the working principle of SCR with the help of a neat diagram and also explain the turn-on method of a thyristor.
9. Describe the working principle of an inverter with a neat schematic diagram.
2. Why does the primary current of a transformer increase when a load is connected across the secondary Derive the equation for efficiency and voltage regulation for a single phase transformer.
3. A 2200/220 single phase transformer has maximum possible voltage regulation of and it occurs at power factor of 0·3. Find the load voltage at full load at power factor of 0.8 lead.
4. Describe the working principle of a single phase induction motor. Describe the torque -slip characteritics of a single phase induction motor.
5. Classify different types of single phase induction motors. Also, explain the working principle for anyone of them with a neat schematic diagram.
6. Describe the different sizes of motors available in the market and also explain the steady and dynamic characteristics of electric drives.
7. What are the factors that affect the selection of motors What is the importance of load equalization
8. Describe the working principle of SCR with the help of a neat diagram and also explain the turn-on method of a thyristor.
9. Describe the working principle of an inverter with a neat schematic diagram.
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)
- School of Gender Development Studies(SOGDS)
- School of Health Science (SOHS)
- School of Humanities (SOH)
- School of Interdisciplinary and Trans-Disciplinary Studies (SOITDS)
- School of Journalism and New Media Studies (SOJNMS)
- School of Law (SOL)
- School of Management Studies (SOMS)
- School of Performing Arts and Visual Arts (SOPVA)
- School of Performing Arts and Visual Arts(SOPVA)
- School of Sciences (SOS)
- School of Social Sciences (SOSS)
- School of Social Work (SOSW)
- School of Tourism & Hospitality Service Sectoral SOMS (SOTHSM)
- School of Tourism &Hospitality Service Sectoral SOMS (SOTHSSM)
- School of Translation Studies and Training (SOTST)
- School of Vocational Education and Training (SOVET)
- Staff Training & Research in Distance Education (STRIDE)
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