# T and D - TRANSMISSIONANDDISTRIBUTIONENGINEERING KINGS...

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TRANSMISSION AND DISTRIBUTION ENGINEERING KINGS COLLEGE OF ENGINEERING, PUNALKULAM KINGS COLLEGE OF ENGINEERING DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING QUESTION BANK SUBJECT NAME : TRANSMISSION & DISTRIBUTION ENGINEERING YEAR / SEM : III/V UNIT-I TRANSMISSION SYSTEM PART-A 1. What is meant by power supply system? (2) 2. What is meant by Transmission and Distribution system? (2) 3. What are the different types of Power supply system? (2) 4. What are the various components of power supply system? (2) 5. What are the different types of power plants? (2) 6. What are the different operating voltages used for generation, primary and secondary transmission in AC power supply systems in India? (2) 7. Define feeder, distributor and service mains. (2) 8. List the advantages of high voltage transmission. (2) 9. State Kelvin’s law. (2) 10. What are the limitations of Kelvin’s law? (2) PART-B 1.(i)Discuss various types of HVDC links. (8) (ii)List out the main components of a HVDC system. (8) 2.(i) Draw and explain the structure of modern power systems with typical voltage levels. (13) (ii)What is the highest voltage level available in India? (3) 3. (i). Explain the effect of high voltage on volume of copper and on efficiency. (8) (ii)Explain why the transmission lines are 3 phase 3-wire circuits while distribution lines are 3 phase 4-wire circuits. (8) 4. (i) Draw the model power system with single line representation. Show its

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TRANSMISSION AND DISTRIBUTION ENGINEERING KINGS COLLEGE OF ENGINEERING, PUNALKULAM essential constituent sections. (6) (ii) What are the AC transmission and distribution level voltages we have in India? (4) (iii) What are the different kinds of DC links? Draw relevant diagrams. (6) 5. (i)Explain why EHV transmission is preferred? What are the problems involved in EHV AC transmission? (8) (ii) With neat schematic, explain the principle of HVDC system operation. (8) 6. Explain about FACTS with neat diagram (16) 7. Explain TCSC and SVS systems (16) 8. Explain with neat diagram about STATCOM and UPFC (16) 9. (i) Compare EHVAC and HVDC transmission (8) (ii) Explain the applications of HVDC transmission system (8) UNIT- II TRANSMISSION LINE PARAMETERS PART-A 1. Define Skin effect. (2) 2. What is meant by proximity effect? (2) 3. Differentiate the stranded conductor and bundled conductor. (2) 4. List out the advantages of double circuit lines. (2) 5. Define - Self and mutual – G.M.D. (2) 6. What is meant by inductive interference? (2) 7. What is transposition of conductors? (2) 8. What is ACSR conductor? (2) 9. What is fictitious conductor radius? (2) 10. Define unsymmetrical and symmetrical spacing. (2) PART-B 1. From the fundamentals derive an expression for inductance of a single phase transmission system. (16) 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)
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## This note was uploaded on 11/21/2010 for the course EEE ee2303 taught by Professor Kings during the Spring '10 term at Anna University Chennai - Regional Office, Coimbatore.

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T and D - TRANSMISSIONANDDISTRIBUTIONENGINEERING KINGS...

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