Thursday, May 16, 2019

Lecture Notes On Electric Power Transmission and Distribution (3-1-0)

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Module-I (10 Hours)
General Introduction to power transmission by D.C. and A.C. overhead lines
Lines constants: Resistance, Inductance and capacitance of single and three phase lines with symmetrical and unsymmetrical  spacing transposition, charging current, skin effect and proximity effect
Performance of transmission Lines: Analysis of short, medium and long lines, equivalent circuit, representation of the lines and calculation of transmission parameters, use of static or synchronous condensers for improvement of regulations.

Module-II (10 Hours)
Corona: Power loss due to corona, practical importance of corona, and inductive interference with neighboring communication lines, use of bundled conductors in E.H.V. Transmission lines and its advantages
Overhead Line Insulators: Voltage Distribution in suspension type insulators, method of equalizing, voltage distribution, economic use of insulators.
mechanical Design of Overhead Transmission Line, Sag and stress calculation, tension and sag at erection, effect of ice and wind, vibration dampers.
under Ground Cable: Type and construction, grading of cables, capacitance in 3 core cables and dielectric loss

Module-III (10 Hours)
Distribution System: type of distributors and feeders (radial & ring), voltage drop and load Calculation for concentrated and distributed loads, primary and secondary distribution network, Distribution system planning, service area calculation.

Module-IV (10 Hours)
Substation & Earthing: Types of Substations, arrangement of bus-bars and control equipments, solid earthing, resistance earthing and Peterson coil
Per unit system one line diagram power flow through transmission line, power circle diagram, series and shunt compensation.
Introduction to Flexible AC Transmission system (FACTS), SVC, TCSC, SSSC, STATCOM and UPFC

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