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ELECTRIC POWER SYSTEMS, 5TH ED

Author : B.M. WEEDY, B.J. CORY, N. JENKINS, J.B. EKANAYAKE, G. STRBAC
Price INR : ₹.499.00
ISBN 13 : 9788126540723
ISBN 10 : 8126540729
Pages : 512
Type : P
₹.499.00

ELECTRIC POWER SYSTEMS

Details

Electric Power Systems has been an essential book in power systems engineering for over thirty years. Bringing the content firmly up-to-date whilst still retaining the flavor of Weedy's extremely popular original, this Fifth Edition has been revised by experts Goran Strbac and Nick Jenkins. This wide-ranging text still covers all of the fundamental power systems subjects but is now expanded to cover increasingly important topics like climate change and renewable power generation. Updated material includes an analysis of today's markets and an examination of the current economic state of power generation

1 Introduction

Characteristics Influencing Generation and Transmission

Operation of Generators

Energy Conversion

Renewable Energy Sources

Energy Storage

Environmental Aspects of Electrical Energy

Transmission and Distribution Systems

 

2 Basic Concepts

Three-Phase Systems

Three-Phase Transformers

Active and Reactive Power

The Per-Unit System

Power Transfer and Reactive Power

Harmonics in Three-Phase Systems

Useful Network Theory

 

3 Components of a Power System

Synchronous Machines

Equivalent Circuit Under Balanced Short-Circuit Conditions

Synchronous Generators in Parallel

The Operation of a Generator on Infinite Busbars

Automatic Voltage Regulators (AVRs)

Lines, Cables, and Transformers

Transformers

Voltage Characteristics of Loads

 

4 Controls of Power and Frequency

The Turbine Governor

Control Loops

Division of Load between Generators

The Power-Frequency Characteristic of an Interconnected System

System Connected by Lines of Relatively Small Capacity

 

5 Control of Voltage and Reactive Power

The Generation and Absorption of Reactive Power

Relation between Voltage, Power, and Reactive Power at a Node

Methods of Voltage Control:

Methods of Voltage Control:

Combined Use of Tap-Changing Transformers and Reactive-Power Injection

Phase shift transformer

Voltage Collapse

Voltage Control in Distribution Networks

Long Lines

General System Considerations

 

6 Load Flows

Circuit analysis versus load flow analysis

Gauss Siedal method

Load flows in radial and simple loop networks

Load flows in Large Systems

Example of a Complex Load Flow

Computer simulations

 

7 Fault Analyses

Calculation of Three-Phase Balanced Fault Currents

Method of Symmetrical Components

Representation of Plant in the Phase-Sequence Networks

Types of Fault

Fault Levels in a Typical System

Power in Symmetrical Components

Systematic Methods for Fault Analysis in Large Networks

Neutral Grounding

Interference with Communication Circuits--Electromagnetic

Compatibility (EMC)

 

8 System Stability

Equation of Motion of a Rotating Machine

Steady-State Stability

Transient Stability

Transient Stability--Consideration of Time

Transient Stability Calculations by Computer

Dynamic or small signal stability

Stability of Loads Leading to Voltage Collapse

Further Aspects

Multimachine Systems

Energy-Type Functions

Improvement of stability

 

9 Direct-Current Transmission

Current Source and Voltage Source Converters

Semi-conductor Valves for High Voltage DC Converters

Current Source h.v.d.c.

Voltage Source h.v.d.c.

 

10 Over voltages and Insulation Requirements

Generation of over voltages

Protection Against Over voltages

Insulation Coordination

Propagation of Surges

Determination of System Voltages Produced by Travelling Surges

Electromagnetic Transient Program (EMTP)

 

11 Substations and Protection

Switchgear

Qualities Required of Protection

Components of Protective Schemes

Protection Systems

Distance Protection

Unit Protection Schemes

Generator Protection

Transformer Protection

Feeder Protection

System Monitoring and Control

System Security and Emergency Control

 

12 Fundamentals of the Economics of Operation and Planning of Electricity Systems

Economic Operation of Generation Systems

Fundamental principles of Generation System Planning

Economic Operation of Transmission Systems

Fundamental principles of Transmission System Planning

Distribution and Transmission Network security considerations

Drivers for change

 

Primary: 3rd or 4th year undergraduate students on power systems or related courses, also postgraduates.

 

Secondary: Practitioners in the power industry involved with power systems who are in need of a reference.

This is a revision of the work by the late B.M Weedy of University of Southampton and B.J. Cory of Imperial College, London

 

Nick is a Professor at the Cardiff School of Engineering. He is also the Director of the Centre for Integrated Renewable Energy Generation and Supply  at Cardiff University and is a special advisor to a House of Commons Select Committee

 

Goran is Professor of Electrical Energy Systems at Imperial College, London. He is also the Director of the DTI Centre for Distributed Generation and Sustainable Electrical Energy, the Convener of CIGRE International Working Group on Economics of Integration of Distributed Generation and a member of the Executive Team of the IEE Professional Network on Power Trading and Control.