Electrical Engineering. Power Systems. Comprehensive Theory with Solved Examples and Practice Questions. Publications

Transcription

1 Electrical Engineering Power Systems Comprehensive Theory with Solved Examples and Practice Questions Publications

2 Publications MADE EASY Publications Corporate Office: 44-A/4, Kalu Sarai (Near Hauz Khas Metro Station), New Delhi Contact: , Visit us at: Power Systems Copyright, by MADE EASY Publications. All rights are reserved. No part of this publication may be reproduced, stored in or introduced into a retrieval system, or transmitted in any form or by any means (electronic, mechanical, photo-copying, recording or otherwise), without the prior written permission of the above mentioned publisher of this book. First Edition : 2015 Second Edition : 2016 Third Edition : 2017 Fourth Edition : 2018 All rights reserved by MADE EASY PUBLICATIONS. No part of this book may be reproduced or utilized in any form without the written permission from the publisher.

3 Contents Power Systems Chapter 1 Performance of Transmission Lines, Line Parameters and Corona Poly Phase AC Circuits Graphical Representation of 3-f System Type of 3-f Connections Power Calculations Introduction to Transmission Lines The Medium Length Line Concept of Travelling Waves Power Flow Through A Transmission Line Transmission Line Parameters Inductance of Transmission Lines Bundled Conductors Capacitance of Transmission Lines Corona Sag and Tension...86 Chapter 2 Student Assignments Student Assignments Compensation Techniques, Voltage Profile Control & Load-Frequency Control Compensation of Transmission Lines Methods of Voltage Control Load Frequency Control Area Frequencies Control Chapter 3 Student Assignments Student Assignments Distribution Systems, Cables & Insulators Distribution Systems Underground Cables General Construction of a Cable Insulator for Overhead Lines Student Assignments Student Assignments Chapter 4 Generating Power Stations Introduction Electricity Sector in India Hydro-electric Power Plants Pumped Storage Power Plants Steam/Thermal Power Plants Nuclear Power Plants Concept of Base Load and Peak Load Power Plants Comparison of Various Types of Power Plants Student Assignments Student Assignments Chapter 5 Fault Analysis Introduction Per Unit System Single Line Diagram of a Power System Network Method of Short-circuit Calculations for Symmetrical Faults Short Circuit of a Synchronous Machine (on no-load) Reactors Short Circuit of a Loaded Synchronous Machine Unsymmetrical Fault Analysis Sequence Impedances of Transmission Lines Sequence Circuits and Impedances of Synchronous Machine Sequence Impedance of a Transmission Line and their Representation Sequence Network of a Transformer and its Sequence Impedances Unsymmetrical Faults on an Unloaded Generator (iii)

4 5.14 Algorithm for Short Circuit Study ZBUS Building Algorithm Student Assignments Student Assignments Chapter 6 Load Flow Studies Introduction Formulation of Nodal Admittance Matrix Properties of a Z BUS Matrix Formation of Y BUS Matrix BUS Classification Gauss-Siedel Method Newton Raphson Method Decoupled Load Flow Studies Fast Decoupled Load Flow (FDLF) Comparison between Gauss-Siedel and Newton- Raphson Method Student Assignments Student Assignments Chapter 7 Switchgear and Protection Introduction Components of Switchgear Operating Principle of a Circuit Breaker (CB) Arc Interruption Arc, Restriking and Recovery Voltages Current Chopping Resistance Switching of Circuit Breaker Auto-reclosing of Circuit Breakers Circuit Breaker Ratings Air-Break Circuit Breakers (ACB) Oil Circuit Breakers Vaccum Circuit Breakers (VCBs) Air-Blast Circuit Breakers (ABCB) SF 6 Circuit Breakers Protective Relays Induction Type Over Current Relay Protection Against Inter-turn Faults on Stator Winding of Generator Restricted Earth Fault Protection Differential Protection Protection of Transformer Using Buchholz Relay Protection of Alternators Power Line Carrier Communication (PLCC) Translay Protection System Distance Protection Insulation Coordination Static Relays Concept of Neutral Grounding/Earthing Student Assignments Student Assignments Chapter 8 Power System Stability Introduction Different Forms of Stability Power Angle Diagram The Swing Equation Steady State Stability Transient Stability Student Assignments Student Assignments Chapter 9 Optimal Power System Operation Introduction Economics Scheduling of Generating Units Optimal Operation of Generators on a Bus-Bar Economical Scheduling Neglecting Losses Economic Scheduling Including Losses Representation of Transmission Loss by Chapter 10 B-coefficients Student Assignments Student Assignments Recent Trends in Power Systems High Voltage DC Transmission (HVDC) FACTS Smart Grid Student Assignments nnnn (iv)

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