Educational videos of Power Systems-II

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http://www.youtube.com/watch?feature=player_embedded&v=lr1jgbR5ca8

By Prof.D.P.Kothari, Centre for Energy Studies, IIT Delhi.



POWER SYSTEMS-II SYLLABUS :

Source :http://jntuk.edu.in

Objective :
This course is an extension of Power systems-I course. It deals with basic theory of transmission lines
modeling and their performance analysis. Also this course gives emphasis on mechanical design of
transmission lines, cables and insulators.


UNIT-I 
Transmission Line Parameters
Types of conductors - calculation of resistance for solid conductors - Calculation of inductance for single
phase and three phase, single and double circuit lines, concept of GMR & GMD, symmetrical and
asymmetrical conductor configuration with and without transposition, Numerical Problems.
Calculation of capacitance for 2 wire and 3 wire systems, effect of ground on capacitance, capacitance
calculations for symmetrical and asymmetrical single and three phase, single and double circuit lines,
Numerical Problems.


UNIT-II 
Performance of Short and Medium Length Transmission Lines
Classification of Transmission Lines - Short, medium and long line and their model representations -
Nominal-T, Nominal-Pie and A, B, C, D Constants for symmetrical & Asymmetrical Networks, Numerical
Problems.
Mathematical Solutions to estimate regulation and efficiency of all types of lines - Numerical Problems.


UNIT-III 
Performance of Long Transmission Lines
Long Transmission Line-Rigorous Solution, evaluation of A,B,C,D Constants, Interpretation of the Long
Line Equations, Incident, Reflected and Refracted Waves -Surge Impedance and SIL of Long Lines,
Wave Length and Velocity of Propagation of Waves - Representation of Long Lines - Equivalent-T and
Equivalent Pie network models (numerical problems).


UNIT – IV 
Power System Transients
Types of System Transients - Travelling or Propagation of Surges - Attenuation, Distortion, Reflection and
Refraction Coefficients - Termination of lines with different types of conditions - Open Circuited Line, Short
Circuited Line, T-Junction, Lumped Reactive Junctions (Numerical Problems). Bewley’s Lattice Diagrams
(for all the cases mentioned with numerical examples).


UNIT-V 
Various Factors Governing the Performance of Transmission line
Skin and Proximity effects - Description and effect on Resistance of Solid Conductors -
Ferranti effect - Charging Current - Effect on Regulation of the Transmission Line, Shunt Compensation.
Corona - Description of the phenomenon, factors affecting corona, critical voltages and power loss, Radio
Interference.


UNIT-VI 
Overhead Line Insulators
Types of Insulators, String efficiency and Methods for improvement, Numerical Problems - voltage
distribution, calculation of string efficiency, Capacitance grading and Static Shielding.


UNIT-VII 
Sag and Tension Calculations
Sag and Tension Calculations with equal and unequal heights of towers, Effect of Wind and Ice on weight
of Conductor, Numerical Problems - Stringing chart and sag template and its applications.


UNIT-VIII 
Underground Cables
Types of Cables, Construction, Types of Insulating materials, Calculations of Insulation resistance and
stress in insulation, Numerical Problems.
Capacitance of Single and 3-Core belted cables, Numerical Problems.
Grading of Cables - Capacitance grading, Numerical Problems, Description of Inter-sheath grading.


TEXT BOOKS:
1. A Text Book on Power System Engineering by M.L.Soni, P.V.Gupta, U.S.Bhatnagar,
A.Chakrabarthy, Dhanpat Rai & Co Pvt. Ltd.
2. Electrical power systems - by C.L.Wadhwa, New Age International (P) Limited, Publishers,1998.


REFERENCE BOOKS:
1. Power system Analysis-by John J Grainger William D Stevenson, TMC Companies, 4th edition
2. Power System Analysis and Design by B.R.Gupta, Wheeler Publishing.
3. Power System Analysis by Hadi Saadat – TMH Edition..
4. Modern Power System Analysis by I.J.Nagaraj and D.P.Kothari, Tata McGraw Hill, 2nd Edition.

10:15 AM