EE8402 Important 16 Mark Questions Transmission and Distribution
EE8402 Important 16 mark Questions Transmission and Distribution Regulation 2017 Anna University free download. Transmission and Distribution Important 16 mark Questions EE8402 pdf free download.
Sample EE8402 Important 16 mark Questions Transmission and Distribution:
1. (i)From the fundamentals derive an expression for inductance of a single phase transmission system. (8) (ii) Write short notes on corona discharges(8)
2. Derive an expression for capacitances of a single phase transmission system and discuss the effect of earth on capacitance with suitable equation. (16)
3. Derive an expression for inductance i) Of a single-phase overhead line. (8) ii) A conductor is composed of seven identical copper strands each having a radius r. Find the self-GMD of the conductor. (8) EE8402 Important 16 mark Questions Transmission and Distribution
4. i) Derive an expression for the capacitance between conductors of a Single phase overhead line. (8) ii) Find the capacitance between the conductors of a single-phase 10 km long line. The diameter of each conductor is 1.213cm. The spacing between conductors is 1.25m. Also find the capacitance of each conductor neutral. (8) EE8402 Important 16 mark Questions Transmission and Distribution
5. i) Derive the expression for inductance of a two wire 1Φ transmission line (8) ii) Derive the expression for capacitance of a 1Φ transmission line (8)
6. i) What are the advantages of bundled conductors? (4) ii) Derive the expression for capacitance of a double circuit line for hexagonal spacing. (8) iii) Why is the concept of self GMD is not applicable for capacitance? (4)
7. i) Explain clearly the skin effect and the proximity effects when referred to overhead lines. (8) ii) Write a short note on the inductive interference between power and communication lines. (8) EE8402 Important 16 mark Questions Transmission and Distribution
8. i) Derive the expression for the capacitance per phase of the 3 Φ double circuit line flat vertical spacing with transposition. (8) ii) A 3 Φ overhead transmission line has its conductors arranged at the corners of an equilateral triangle of 2m side. Calculate the capacitance of each line conductor per km. Given the diameter of each conductor is 1.25cm. (8)
9. i)Find the capacitance per km per phase of a 3Φ line arrangement in a horizontal plane spaced 8 metres apart. The height of all conductors above the earth is 13 metres. The diameter of each conductor is 2.6 cm. the line is completely transposed and takes the effect of ground into account. (8) ii). Discuss the concept of GMR and GMD in the calculation of transmission line inductance. (8) EE8402 Important 16 mark Questions Transmission and Distribution
10. Find the inductance /phase /km of doublecircuit 3phase line shown in fig. the line is completely Transposed and operates at a frequency of 50Hz. Radius r = 6mm (16)
| Subject name | TRANSMISSION AND DISTRIBUTION |
| Short Name | TD |
| Semester | 4 |
| Subject Code | EE8402 |
| Regulation | 2017 regulation |
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