Modern Power System Analysis

General Considerations Introduction Power System Planning Basic Concepts Introduction Complex Power in Balanced Transmission Lines The One-Line Diagram The Per-Unit System Constant-Impedance Representation of the Loads Three-Winding Transformers Autotransformers The Delta-Wye and Wye-Delta Transformations Short-Circuit MVA and Equivalent Impedance Problems Steady-State Performance of Transmission Lines Introduction Conductor Size Transmission Line Constants Resistance Inductance and Inductive Reactance Capacitance and Capacitive Reactance Tables of Line Constants Equivalent Circuits for Transmission Lines Short Transmission Lines Medium-Length Transmission Lines Long Transmission Lines General Circuit Constants Underground Cable Transmission Bundled Conductors Effect of Ground on Capacitance of Three-Phase Lines Problems Disturbance of the Normal Operating Conditions and Other Problems Introduction Fault Analysis and Fault Types Balanced Three-Phase Faults at No Load Fault Interruption Balanced Three-Phase Faults at Full Load Application of Current-Limiting Reactors Insulators Grounding Substation Grounding Ground Conductor Sizing Factors Mesh Voltage Design Calculations Step Voltage Design Calculations Types of Ground Faults Ground Potential Rise Transmission Line Grounds Types of Grounding Problems Symmetrical Components and Sequence Impedances Introduction Symmetrical Components The Operator a Resolution of a Three-Phase Unbalanced System of Phasors into Its Symmetrical Components Power in Symmetrical Components Sequence Impedances of Transmission Lines Sequence Capacitances of Transmission Lines Sequence Impedances of Synchronous Machines Zero-Sequence Networks Sequence Impedances of Transformers Problems Analysis of Unbalanced Faults Introduction Shunt Faults Generalized Fault Diagram for Shunt Faults Series Faults Determination of Sequence Network Equivalents for Series Faults Generalized Fault Diagram for Series Faults System Grounding Elimination of SLG Fault Current by using Petersen Coils Problems System Protection Introduction Basic Definitions and Standard Device Numbers Factors Affecting Protective System Design Design Criteria for Protective Systems Primary and Back-Up Protection Relays Sequence Filters Instrument Transformers The R -X Diagram Relays as Comparators Duality between Phase and Amplitude Comparators Complex Planes General Equation of Comparators Amplitude Comparator Phase Comparator General Equation of Relays Distance Relays Overcurrent Relays Differential Protection Pilot Relaying Computer Applications in Protective Relaying Problems Power-Flow Analysis Introduction Power-Flow Problem The Sign of Real and Reactive Powers Gauss Iterative Method Gauss-Seidel Iterative Method Application of Gauss-Seidel Method: Ybus Application of Acceleration Factors Special Features Application of Gauss-Seidel Method: Zbus Newton-Raphson Method Application of Newton-Raphson Method Decoupled Power-Flow Method Fast Decoupled Power-Flow Method The DC Power-Flow Method Problems Appendices Impedance Tables for Overhead Lines, Transformers, and Underground Cables Standard Device Numbers Used in Protection Systems Unit Conversion from the English System to SI System Unit Conversion from the SI System to English System Prefixes The Greek Alphabet Used for Symbols Additional Solved Examples of Shunt Faults Additional Solved Examples of Shunt Faults Using MATLAB(R) Glossary for Modern Power System Analysis Terminology Index Chapters include references.