Sathyabama University Previous Years Question Papers Transmission And Distribution BE Fifth Sem

Sathyabama University Previous Years Papers

Transmission And Distribution BE Fifth Sem

Answer All the Questions
1. Mention the components of a distribution system.
2. State Kelvin’s law.
3. What is meant by transposition of power conductors?
4. List the advantages of bundled conductors.
5. What is meant by surge impedance loading?
6. At what condition, Ferranti effect occurs?
7. What is the need for grading the cables?
8. Define: Thermal Resistance.
9. What is meant by arcing grounds?
10. Mention the reasons for insulation failure.
PART – B (5 x 12 = 60)
Answer All the Questions
11. (a) Explain with neat sketches, the different types of HVDC systems.
(8)
(b) Enumerate the advantages of Flexible AC Transmission Systems.
(4)
(or)
12. (a) Describe the single Bus bar arrangement with relevant diagram.
(b) Classify the different types of substation.
13. A 3 phase 3 wire systems consisting of 1cm diameter conductors
spaced 2m apart in a horizontal plane, supplies a balanced, load.
Calculate the inductance per Km of each conductor. Derive the
relevant formula used.

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