High Voltage Engineering in Power Systems

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Content: Cover Title Page Copyright Page PREFACE THE AUTHOR ACKNOWLEDGMENTS TABLE OF CONTENTS Chapter 1 Sources of Surge Voltages 1.1. Introduction 1 .II. Propagation of Traveling Waves 1 .III. Propagation Constants in Cables 1 .IV. Exact Solution for a Line with Termination = Z[Sub(0)] 1.V. Switching Surges A. Short-Circuit to Ground B. Oscillation of Surges C. Abrupt Opening of a Line D. The Process of Recognition E. Interruption of a Short-Circuit Current 1 .VI. Voltage Build-up along Ascending Surge Impedance A. Cable-Overhead Lines B. Single Line to a Group of Lines 1 .VII. Surge Impedance of Transformerl.VIII. Tapered Lines A. Tapered Line with Variable u and e 1 .IX. Switching of Three-Phase Systems A. Interruption of One Phase in a Short-Circuited Y System B. Interruption of a Ground Fault C. Interruption of a Y Connected System with Ground Fault 1 .X. Lightning Strokes A. Probability of Being Struck B. Physical Modeling of Lightning 1 .XI. Solved Examples 1. XII. Problems References Chapter 2 Inducing and Induced Effects of Lightning Surges 2.1. Introduction 2.II. Mathematical Model For Inducing Surges Due to a Constant Stroke A. Generalized Conductive Current Distribution in the Return StrokeB. Solution of the Transformed Function o (r[Sub(c,)] 0) C. Generalized Convective Current Due to Bound Charges D. Significance of J[Sub(c)] and J[Sub(v)] 2.III. Procedural Calculation of the Inducing Voltage A. The Associative Function 2.IV. The Induced Voltage V 2.V. Calculation of Inducing Fields For Constant Current Source Distribution 2. VI. Calculation of Inducing Voltage 2. VII. Solution of the Induced Voltage on a Point of a Transmission Line 2.VIII. Mathematical Models of Propagating Inducing and Induced Power Due to Actual Pulse Wave Form of Lightning SurgeA. Inducing Fields Due to Actual Lightning Surge B. Solution for the Field Radiation Function Due to Conductive and Convective Effects C. Solution of Electromagnetic Field Components D. Solution of the Inducing Voltage E. Solution of the Induced Voltage V(x,t) F. Inducing Voltage V[Sub(i)] 2.IX. Induced and Inducing Propagated Power A. Induced Electromagnetic Power B. Inducing Electromagnetic Power 2.X. Test Simulation of Lightning Surge 2.XI. Analysis of the Crest of Voltage Surge2.XII. Chopping of the Impulse 2.XIII. Solved Examples 2.XIV. Problems References Chapter 3 Lightning Surge Analysis by Magnetic Moment 3.1. Introduction 3.II. Magnetic Moment and Vector Potential 3.III. Summation of Magnetic Moments A. Conductive Stroke B. Approximation for A[Sub(yc)]-H and A[Sub(yv)]-V 3.IV. Inducing Voltage 3.V. The Induced Potential 3.VI. The Induced Electric Field 3.VII. The Induced Magnetic Field 3.VIII. Induced Current Density J 3.IX. Expression for Electrical Conductivity Q