Exam Details

Subject Switchgear And Protection
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. How does high vacuum help in interrupting the arc Explain the constructional features of a vacuum circuit breaker.

2. What are the different tests carried out to prove the ability of a circuit breaker State the difference between 'type tests' and 'routine tests'.

3. How are lightning diverters different from surge absorbers? Explain with neat sketches.

4. What are the different causes of over voltages in a power system? Explain any two causes in detail.

5. Explain protective zones for a power system. What is the significance of primary and back-up protection

6. What are the different types of distance relays Explain anyone of them with a neat diagram and R-X characteristics.

7. The neutral point of a three-phase 20 MVA, 11 kV alternator is earthed through a 5ohm resistance, the relay is set to operate when there is an out of balance current of 1.5 A. The CTs have a ratio of 1000/5. What percentage of winding is protected against an earth fault?

8. Explain the construction and working of Buchholz relay with the help of neat sketches.

9. Write short notes on any two of the following:

MCCB

BIL

PC based relays

Differential protection of bus-bars


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