06EE53 - Transmission and Distribution Regulation 2006 - 2007 |
PART – A |
UNIT – I TYPICAL TRANSMISSION & DISTRIBUTION SYSTEMS SCHEME |
Standard
voltages for transmission. Advantage of high voltage transmission.
Feeders, distributors & service mains. |
UNIT – II OVERHEAD TRANSMISSION LINES |
sag calculation in conductors a)
suspended on level supports b) support at different levels. Effect of wind &
ice tension & sag at erection. Stringing chart. |
UNIT – III CORONA |
Phenomena, expression for disputative & visual critical voltages
& corona power loss
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UNIT – IV INSULATORS |
Types, potential distribution over a string of suspension
insulators. String efficiency & methods of increasing strings efficiency,
testing of insulators.
|
PART – B |
UNIT – V UNDERGROUND CABLES |
Types, material used, insulation resistance,
thermal rating of cables, charging current, grading of cables, capacitance
grading & inter sheath grading, testing of cables. |
UNIT – VI Line parameters |
calculation of inductance of single phase, 3phase lines
with equilateral & unsymmetrical spacing. Inductance of composite
conductor lines. Capacitance-calculation for two wires & three phase lines,
capacitance calculation for two wire three-phase line with equilateral &
unsymmetrical spacing.
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UNIT – VII Performance of power transmission lines |
Short tr.-lines, medium tr.-lines,
nominal T method, end condenser method, method and long transmission
lines, ABCD constants of transmission lines, Power flow through lines, P-V
& Q-V coupling
|
UNIT – VIII Distribution |
radial & ring main systems, ac to dc distribution: calculation
for concentrated loads and uniform loading
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REFERENCE |
TEXT BOOKS: |
1. A Course in Electrical Power- Soni Gupta & Bhatnaagar, Dhanpat Rai & Sons (New Delhi)
2. Electrical Power Systems- C. L. Wadhwa Wiley Eastern. |
Reference Books |
1. Elements of Power System Analysis- W.D. Stevenson, Mc. Graw - Hill. Comp. Ltd..
2. Electric power generation Transmission & Distribution- S. M. Singh, PHI, 2007
3. Transmission & Distribution Hand Book - Westing House Corporation
4. Electrical Power- Dr. S. L. Uppal, Khanna Publications
5. Electrical Power- J.B Gupta.
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