EE3401 Transmission and Distribution IQ, Notes [PDF] - Notes, Important Questions [PDF]

EE3401 Transmission and Distribution Study Materials

Anna University – EE3401 Transmission and Distribution Regulation 2021 Syllabus , Notes , Important Questions, Question Paper with Answers Previous Year Question Paper.

UNIT I TRANSMISSION LINE PARAMETERS EE3401 Transmission and Distribution Syllabus

Structure of electric power system – Parameters of single and three phase transmission lines with single
and double circuits -Resistance, inductance, and capacitance of solid, stranded, and bundled
conductors – Typical configuration, conductor types – Symmetrical and unsymmetrical spacing and
transposition – application of self and mutual GMD; skin and proximity effects – Effects of earth on the
capacitance of the transmission line – interference with neighboring communication circuits.

UNIT II MODELLING AND PERFORMANCE OF TRANSMISSION LINES EE3401 Transmission and Distribution Notes

Performance of Transmission 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 – Ferranti effect – Formation
of Corona – Critical Voltages – Effect on line Performance.

UNIT III SAG CALCULATION AND LINE SUPPORTS EE3401 Transmission and Distribution Important Questions

Mechanical design of overhead lines – Line Supports –Types of towers – Tension and Sag Calculation
for different weather conditions – Methods of grounding – Insulators: Types, voltage distribution in
insulator string, improvement of string efficiency, testing of insulators.

UNIT IV UNDERGROUND CABLES EE3401 Transmission and Distribution Question Bank

Underground cables – Types of cables – Construction of single-core and 3-core belted cables –
Insulation Resistance – Potential Gradient – Capacitance of single-core and 3-core belted cables –
Grading of cables – Power factor and heating of cables– DC cables.

UNIT V DISTRIBUTION SYSTEMS EE3401 Transmission and Distribution Question Paper

Distribution Systems – General Aspects – Kelvin’s Law – AC and DC distributions –Concentrated and
Distributed loading- Techniques of Voltage Control and Power factor improvement – Distribution Loss –
Types of Substations – Trends in Transmission and Distribution: EHVAC, HVDC and FACTS
(Qualitative treatment only).

Syllabus	Click Here
Notes	Click Here
Important Questions	Click Here
Previous Year Question Paper	Click Here
Question Bank	Click Here

TEXT BOOKS: EE3401 Transmission and Distribution Notes

1. D.P.Kothari, I.J. Nagarath, ‘Power System Engineering’, Mc Graw-Hill Publishing Company
limited, New Delhi, Third Edition, 2019.
2. C.L.Wadhwa, ‘Electrical Power Systems’, New Age International Ltd, seventh edition 2022.
3. S.N. Singh, ‘Electric Power Generation, Transmission and Distribution’, Prentice Hall of India
Pvt. Ltd, New Delhi, Second Edition, 2008.

REFERENCE BOOKS: EE3401 Transmission and Distribution Important Questions

1. B.R.Gupta, ‘Power System Analysis and Design’ S. Chand, New Delhi, Sixth Edition, 2011.
2. Luces M.Fualken berry, Walter Coffer, ‘Electrical Power Distribution and Transmission’, Pearson
Education, 2007.
3. Arun Ingole, “Power transmission and distribution” Pearson Education, first edition, 2018
4. J.Brian Hardy and Colin R.Bayliss ‘Transmission and Distribution in Electrical Engineering’,
Newnes; Fourth Edition, 2011.
5. G.Ramamurthy, “Handbook of Electrical power Distribution,” Universities Press, 2013.
6. V.K.Mehta, Rohit Mehta, ‘Principles of power system’, S. Chand & Company Ltd, New Delhi,
2013
7. Hadi Saadat, ‘Power System Analysis’, McGraw Hill Education Pvt. Ltd., New Delhi, 3rd Edition,
23rd reprint, 2015.
8. R.K.Rajput, ‘A Text Book of Power System Engineering’ 2nd edition, Laxmi Publications (P) Ltd,
New Delhi, 2016.