GTU BE/B.Tech 2017 Winter Question Papers || Gujarat Technological University
Subject Name: Power System Planning and Design
Time: 02:30 PM TO 05:00 PM
Date: 02/11/2017
Total Marks: 70
Subject Code: 2180903
GUJARAT TECHNOLOGICAL UNIVERSITY
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BE - SEMESTER-VIII (NEW) EXAMINATION — WINTER 2017Subject Name: Power System Planning and Design
Time: 02:30 PM TO 05:00 PM
Date: 02/11/2017
Total Marks: 70
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Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
| Q.1 | (a) What is step potential? | 03 |
| (b) Discuss touch potential. | 04 | |
| (c) Explain the design of earthing grid. | 07 | |
| Q.2 | (a) What is BIL? Discuss in detail. | 03 |
| (b) What are the financial aspects of the power system improvement scheme? | 04 | |
| (c) Write a note on procedure to carry out insulation co-ordination. | 07 | |
| OR | ||
| (c) Explain the primary distribution design. | 07 | |
| Q.3 | (a) How the size of distributors is calculated? | 03 |
| (b) Explain SIL. | 04 | |
| (c) What is lamp flicker? Discuss its types and remedies for the lamp flicker. | 07 | |
| OR | ||
| (b) Discuss various voltage ratings to be taken into account while selecting the lightning arrestors. | 04 | |
| (c) Discuss protective margin. | 07 | |
| Q.4 | (a) How the electrical design of ‘the transmission lines is carried out? Discuss in detail. | 03 |
| (b) What are sag templates? | 04 | |
| (c) Why transmission should be carried out at high voltages? Derive the sag-tension relation in a T-line. | 07 | |
| OR | ||
| (a) How generation planning is carried out? | 03 | |
| (b) Discuss distribution system planning. | 04 | |
| (c) Explain radio and television interference. | 07 | |
| Q.5 | (a) How the size of the generation station is determined? | 03 |
| (b) Write a note on selection of location for power plants. | 04 | |
| (c) Discuss the power system improvement scheme in detail. | 07 | |
| OR | ||
| (a) What is interconnection? Write a short note. | 03 | |
| (b) Write a note on Corona. | 04 | |
| (c) Discuss the transmission and distribution planning in detail. | 07 | |
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