Power System Protection 2018 Question Paper — Government College of E…
The 2018 Power System Protection previous year question paper (Government College of Engineering and Technology, Jammu), with every question and its marks.
- University: Government College of Engineering and Technology, Jammu
- Subject: Power System Protection
- Course: Power System Protection
- Branch: ELECTRICAL ENGINEERING
- Year: 2018
- Paper: end-term
- Duration: 180 minutes
- Total marks: 100
Instructions
- Attempt five questions in all selecting at least two questions from each Section.
- Each question carries 20 marks.
- Use of calculator is allowed.
Questions
Section - A
- Q1. What are the major components used in the protection system? Also explain their working along with suitable diagram. [20 marks]
- Q2. (a) Define protective relay. Write the classification of relay on the basis of its operating principle. (b) Derive the equation for toque developed in an induction relay. [20 marks]
- Q3. Discuss time-graded overcurrent protection for: (a) Radial Feeders (b) Parallel Feeders (c) Ring Main System. [20 marks]
- Q4. Draw a neat diagram of Buchholz relay. Describe its principle, construction and working. Also mention its limitation. [20 marks]
Section - B
- Q5. (a) Discuss the principle of arc interruption in circuit breakers. (b) Explain briefly over-current relay co-ordination. [20 marks]
- Q6. Explain the following terms with the help of waveform: (a) Restriking Voltage (b) Recovery Voltage (c) RRRV (d) Current Chopping (e) Arc Voltage [20 marks]
- Q7. Write short notes on: (a) Rating of CB (b) Testing of CB [20 marks]
- Q8. Classify various types of overcurrent relay. Draw and explain Induction type directional overcurrent relay. [20 marks]
Related pages
Other years
- Power System Protection 2018 question paper — end-term