Book description
Electric Field Analysis is both a studentfriendly textbook and a valuable tool for engineers and physicists engaged in the design work of highvoltage insulation systems. The text begins by introducing the physical and mathematical fundamentals of electric fields, presenting problems from power and dielectric engineering to show how the theories are put into practice. The book then describes various techniques for electric field analysis and their significance in the validation of numerically computed results, as well as: Discusses finite difference, finite element, charge simulation, and surface charge simulation methods for the numerical computation of electric fields
 Provides case studies for electric field distribution in a cable termination, around a post insulator, in a condenser bushing, and around a gasinsulated substation (GIS) spacer
 Explores numerical field calculation for electric field optimization, demonstrating contour correction and examining the application of artificial neural networks
 Explains how highvoltage field optimization studies are carried out to meet the desired engineering needs
Electric Field Analysis is accompanied by an easytouse yet comprehensive software for electric field computation. The software, along with a wealth of supporting content, is available for download with qualifying course adoption.
Table of contents
 Cover
 Half Title
 Title Page
 Copyright Page
 Table of Contents
 Foreword
 Preface
 Author

1. Fundamentals of Electric Field
 1.1 Introduction
 1.2 Electric Charge
 1.3 Electric Fieldlines
 1.4 Coulomb’s Law
 1.5 Electric Field Intensity
 1.6 Electric Flux and Electric Flux Density
 1.7 Electric Potential
 1.8 Field due to Point Charge
 1.9 Field due to a Uniformly Charged Line
 1.10 Field due to a Uniformly Charged Ring
 1.11 Field due to a Uniformly Charged Disc
 Objective Type Questions
 Bibliography

2. Gauss’s Law and Related Topics
 2.1 Introduction
 2.2 Useful Definitions and Integrals
 2.3 Integral Form of Gauss’s Law
 2.4 Differential Form of Gauss’s Law
 2.5 Divergence Theorem
 2.6 Poisson’s and Laplace’s Equations
 2.7 Field due to a Continuous Distribution of Charge
 2.8 Steps to Solve Problems Using Gauss’s Law
 Objective Type Questions
 3. Orthogonal Coordinate Systems
 4. SingleDielectric Configurations

5. Dielectric Polarization
 5.1 Introduction
 5.2 Field due to an Electric Dipole and Polarization Vector
 5.3 Polarizability
 5.4 Field due to a Polarized Dielectric
 5.5 Electric Displacement Vector
 5.6 Classification of Dielectrics
 5.7 Frequency Dependence of Polarizabilities
 5.8 MassSpring Model of Fields in Dielectrics
 5.9 Dielectric Anisotropy
 Objective Type Questions
 6. Electrostatic Boundary Conditions
 7. MultiDielectric Configurations

8. Electrostatic Pressures on Boundary Surfaces
 8.1 Introduction
 8.2 Mechanical Pressure on a Conductor–Dielectric Boundary
 8.3 Mechanical Pressure on a Dielectric–Dielectric Boundary
 8.4 Two Dielectric Media in Series between a Parallel Plate Capacitor
 8.5 Two Dielectric Media in Parallel between a Parallel Plate Capacitor
 Objective Type Questions

9. Method of Images
 9.1 Introduction
 9.2 Image of a Point Charge with Respect to an Infinitely Long Conducting Plane
 9.3 Image of a Point Charge with Respect to a Grounded Conducting Sphere
 9.4 Image of an Infinitely Long Line Charge with Respect to an Infinitely Long Conducting Plane
 9.5 Two Infinitely Long Parallel Cylinders
 9.6 Salient Features of Method of Images
 Objective Type Questions
 10. Sphere or Cylinder in Uniform External Field
 11. Conformal Mapping
 12. Graphical Field Plotting
 13. Numerical Computation of Electric Field

14. Numerical Computation of HighVoltage Field by Finite Difference Method
 14.1 Introduction
 14.2 FDM Equations in 3D System for SingleDielectric Medium
 14.3 FDM Equations in AxiSymmetric System for SingleDielectric Medium
 14.4 FDM Equations in 3D System for MultiDielectric Media
 14.5 FDM Equations in AxiSymmetric System for MultiDielectric Media
 14.6 Simulation Details
 14.7 FDM Examples
 Objective Type Questions
 Bibliography

15. Numerical Computation of HighVoltage Field by Finite Element Method
 15.1 Introduction
 15.2 Basics of FEM
 15.3 Procedural Steps in FEM

15.4 Variational Approach towards FEM Formulation
 15.4.1 FEM Formulation in a 2D System with SingleDielectric Medium
 15.4.2 FEM Formulation in 2D System with MultiDielectric Media
 15.4.3 FEM Formulation in AxiSymmetric System
 15.4.4 Shape Function, Global and Natural Coordinates
 15.4.5 Derivation of Field Variables Using Natural Coordinates
 15.4.6 Other Types of Elements for 2D and AxiSymmetric Systems
 15.4.7 FEM Formulation in 3D System
 15.4.8 Mapping of Finite Elements
 15.5 Features of Discretization in FEM
 15.6 Solution of System of Equations in FEM
 15.7 Advantages of FEM
 15.8 FEM Examples
 Objective Type Questions
 Bibliography

16. Numerical Computation of HighVoltage Field by Charge Simulation Method
 16.1 Introduction
 16.2 CSM Formulation for SingleDielectric Medium
 16.3 CSM Formulation for MultiDielectric Media
 16.4 Types of Fictitious Charges
 16.5 CSM with Complex Fictitious Charges
 16.6 CapacitiveResistive Field Computation by CSM
 16.7 Field Computation by CSM under Transient Voltage
 16.8 Accuracy Criteria
 16.9 Other Development in CSM
 16.10 Comparison of CSM with FEM
 16.11 Hybrid Method Involving CSM and FEM
 16.12 CSM Examples
 Objective Type Questions
 Bibliography

17. Numerical Computation of HighVoltage Field by Surface Charge Simulation Method
 17.1 Introduction
 17.2 SCSM Formulation for SingleDielectric Medium
 17.3 Surface Charge Elements in 2D and AxiSymmetric Configurations
 17.4 SCSM Formulation for MultiDielectric Media
 17.5 SCSM Formulation in 3D System
 17.6 CapacitiveResistive Field Computation by SCSM
 17.7 SCSM Examples
 Objective Type Questions
 Bibliography

18. Numerical Computation of Electric Field in HighVoltage System – Case Studies
 18.1 Introduction
 18.2 Benchmark Models for Validation
 18.3 Electric Field Distribution in the Cable Termination
 18.4 Electric Field Distribution around a PostType Insulator
 18.5 Electric Field Distribution in a Condenser Bushing
 18.6 Electric Field Distribution around a GasInsulated Substation Spacer
 Objective Type Questions
 Bibliography

19. Electric Field Optimization
 19.1 Introduction

19.2 Review of Published Works
 19.2.1 Conventional Contour Correction Techniques for Electrode and Insulator Optimization
 19.2.2 Optimization of HighVoltage System Elements
 19.2.3 SoftComputing Techniques for Electrode and Insulator Optimization
 19.2.4 Optimization of Switchgear Elements
 19.2.5 Optimization of Bushing Elements
 19.2.6 UserFriendly Optimization Environment
 19.3 Field Optimization Using Contour Correction Techniques
 19.4 ANNBased Optimization of Electrode and Insulator Contours
 19.5 ANNAided Optimization of 3D Electrode–Insulator Assembly
 Objective Type Questions
 References
 Index
Product information
 Title: Electric Field Analysis
 Author(s):
 Release date: December 2017
 Publisher(s): CRC Press
 ISBN: 9781351831161
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