Monday, January 5, 2015

EE6402 TRANSMISSION AND DISTRIBUTION

EE6402 TRANSMISSION AND DISTRIBUTION syllabus-subject-notes-pevious-year-questions-papers-bank

OBJECTIVES:
 To develop expressions for the computation of transmission line parameters.
 To obtain the equivalent circuits for the transmission lines based on distance and operating
 voltage for determining voltage regulation and efficiency. Also to improve the voltage profile of the transmission system.
 To analyses the voltage distribution in insulator strings and cables and methods to improve the
same.
 To understand the operation of the different distribution schemes.

UNIT I STRUCTURE OF POWER SYSTEM 9
Structure of electric power system: generation, transmission and distribution; Types of AC and DC
distributors – distributed and concentrated loads – interconnection – EHVAC and HVDC transmission - Introduction to FACTS.

UNIT II TRANSMISSION LINE PARAMETERS 9
Parameters of single and three phase transmission lines with single and double circuits - Resistance,
inductance and capacitance of solid, stranded and bundled conductors, Symmetrical and
unsymmetrical spacing and transposition - application of self and mutual GMD; skin and proximity
effects - interference with neighboring communication circuits - Typical configurations, conductor types and electrical parameters of EHV lines, corona discharges.

UNIT III MODELLING AND PERFORMANCE OF TRANSMISSION LINES 9
Classification of lines - short line, medium line and long line - equivalent circuits, phasor diagram,
attenuation constant, phase constant, surge impedance; transmission efficiency and voltage
regulation, real and reactive power flow in lines, Power - circle diagrams, surge impedance loading,
methods of voltage control; Ferranti effect.

UNIT IV INSULATORS AND CABLES 9
Insulators - Types, voltage distribution in insulator string, improvement of string efficiency, testing of
insulators. Underground cables - Types of cables, Capacitance of Single-core cable, Grading of
cables, Power factor and heating of cables, Capacitance of 3- core belted cable, D.C cables.

UNIT V MECHANICAL DESIGN OF LINES AND GROUNDING 9
Mechanical design of transmission line – sag and tension calculations for different weather conditions, Tower spotting, Types of towers, Substation Layout (AIS, GIS), Methods of grounding.

OUTCOMES:
 Ability to understand and analyze power system operation, stability, control and protection.

TEXT BOOKS:
1. D.P.Kothari , I.J. Nagarath, ‘Power System Engineering’, Tata McGraw-Hill Publishing
Company limited, New Delhi, Second Edition, 2008.
2. C.L.Wadhwa, ‘Electrical Power Systems’, New Academic Science Ltd, 2009.
3. S.N. Singh, ‘Electric Power Generation, Transmission and Distribution’, Prentice Hall of India
Pvt. Ltd, New Delhi, Second Edition, 2011.

REFERENCES:
1. B.R.Gupta, , S.Chand, ‘Power System Analysis and Design’New Delhi, Fifth Edition, 2008.
2. Luces M.Fualken berry ,Walter Coffer, ‘Electrical Power Distribution and Transmission’, Pearson
Education, 2007.
3. Hadi Saadat, ‘Power System Analysis,’ PSA Publishing; Third Edition, 2010.
4. J.Brian, Hardy and Colin R.Bayliss ‘Transmission and Distribution in Electrical Engineering’,
Newnes; Fourth Edition, 2012.
5. G.Ramamurthy, “Handbook of Electrical power Distribution,” Universities Press, 2013.

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