Basic structure of power system – overhead and underground systems – distributed and concentrated loads – voltage tolerances – interconnection – EHVAC and HVDC transmission – Types of AC and DC distributors – Introduction to FACTS
Evaluation of Transmission line parameters- types of conductors- representation of transmission line-inductance calculation of single/three phase lines- concept of GMD and GMR- transposition of lines- bundled conductors- capacitance calculation of single/three phase lines
Analysis of transmission lines – representation, short/medium/long transmission lines- nominal T/Pi network- ABCD parameters- surge impedance- skin effect- proximity effect- Ferranti effect
Insulators-Types, voltage distribution in insulator string, improvement of string efficiency, Underground Cables-Types of cables, Parameters of cable, Grading of cables, Power factor and heating of cables, Capacitance of 3-core belted cable, D.C cables
Mechanical design of transmission line - sag and tension calculations for different weather conditions, Tower spotting, Types of towers, Sub-station Layout (AIS, GIS), Methods of grounding
Reference Book:
1. Mehta, V.K., Rohit Mehta, “Principles of Power Systemsâ€, S. Chand and Company Private Limited, New Delhi, 4th Revised Edition, 2011. 2. Singh S.N, “Electric Power Generation, Transmission and Distributionâ€, PHI Learning Private Limited, New Delhi, 2nd Edition, 2009.
Text Book:
1.Wadhwa, C.L., “Electrical Power Systemsâ€, New Age International Publishers Ltd., New Delhi, 7th Edition, 2017. 2. Kothari, D.P., Nagrath, I. J., “Modern Power System Analysisâ€, McGraw Hill India Limited, New Delhi, 4th Edition, 2011.