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| Preface | |
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| Introduction | |
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| Power System Stability | |
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| Introduction | |
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| Requirements of a Reliable Electrical Power Service | |
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| Statement of the Problem | |
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| Effect of an Impact upon System Components | |
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| Methods of Simulation | |
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| Problems | |
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| The Elementary Mathematical Model | |
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| Swing Equation | |
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| Units | |
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| Mechanical Torque | |
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| Electrical Torque | |
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| Power-Angle Curve of a Synchronous Machine | |
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| Natural Frequencies of Oscillation of a Synchronous Machine | |
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| System of One Machine against an Infinite Bus--The Classical Model | |
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| Equal Area Criterion | |
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| Classical Model of a Multimachine System | |
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| Classical Stability Study of a Nine-Bus System | |
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| Shortcomings of the Classical Model | |
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| Block Diagram of One Machine | |
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| Problems | |
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| References | |
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| System Response to Small Disturbances | |
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| Introduction | |
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| Types of Problems Studied | |
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| The Unregulated Synchronous Machine | |
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| Modes of Oscillation of an Unregulated Multimachine System | |
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| Regulated Synchronous Machine | |
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| Distribution of Power impacts | |
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| Problems | |
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| References | |
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| The Electromagnetic Torque | |
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| The Synchronous Machine | |
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| Introduction | |
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| Park's Transformation | |
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| Flux Linkage Equations | |
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| Voltage Equations | |
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| Formulation of State-Space Equations | |
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| Current Formulation | |
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| Per Unit Conversion | |
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| Normalizing the Voltage Equations | |
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| Normalizing the Torque Equations | |
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| Torque and Power | |
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| Equivalent Circuit of a Synchronous Machine | |
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| The Flux Linkage State-Space Model | |
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| Load Equations | |
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| Subtransient and Transient Inductances and Time Constants | |
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| Simplified Models of the Synchronous Machine | |
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| Turbine Generator Dynamic Models | |
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| Problems | |
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| References | |
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| The Simulation of Synchronous Machines | |
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| Introduction | |
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| Steady-State Equations and Phasor Diagrams | |
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| Machine Connected to an Infinite Bus through a Transmission Line | |
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| Machine Connected to an Infinite Bus with Local Load at Machine Terminal | |
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| Determining Steady-State Conditions | |
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| Examples | |
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| Initial Conditions for a Multimachine System | |
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| Determination of Machine Parameters from Manufacturers' Data | |
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| Analog Computer Simulation of the Synchronous Machine | |
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| Digital Simulation of Synchronous Machines | |
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| Problems | |
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| References | |
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| Linear Models of the Synchronous Machine | |
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| Introduction | |
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| Linearization of the Generator State-Space Current Model | |
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| Linearization of the Load Equation for the One-Machine Problem | |
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| Linearization of the Flux Linkage Model | |
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| Simplified Linear Model | |
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| Block Diagrams | |
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| State-Space Representation of Simplified Model | |
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| Problems | |
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| References | |
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| Excitation Systems | |
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| Simplified View of Excitation Control | |
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| Control Configurations | |
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| Typical Excitation Configurations | |
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| Excitation Control System Definitions | |
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| Voltage Regulator | |
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| Exciter Buildup | |
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| Excitation System Response | |
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| State-Space Description of the Excitation System | |
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| Computer Representation of Excitation Systems | |
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| Typical System Constants | |
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| The Effect of Excitation on Generator Performance | |
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| Problems | |
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| References | |
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| Effect of Excitation on Stability | |
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| Introduction | |
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| Effect of Excitation on Generator Power Limits | |
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| Effect of the Excitation System on Transient Stability | |
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| Effect of Excitation on Dynamic Stability | |
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| Root-Locus Analysis of a Regulated Machine Connected to an Infinite Bus | |
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| Approximate System Representation | |
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| Supplementary Stabilizing Signals | |
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| Linear Analysis of the Stabilized Generator | |
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| Analog Computer Studies | |
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| Digital Computer Transient Stability Studies | |
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| Some General Comments on the Effect of Excitation on Stability | |
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| Problems | |
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| References | |
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| Multimachine Systems with Constant Impedance Loads | |
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| Introduction | |
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| Statement of the Problem | |
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| Matrix Representation of a Passive Network | |
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| Converting Machine Coordinates to System Reference | |
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| Relation Between Machine Currents and Voltages | |
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| System Order | |
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| Machines Represented by Classical Methods | |
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| Linearized Model for the Network | |
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| Hybrid Formulation | |
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| Network Equations with Flux Linkage Model | |
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| Total System Equations | |
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| Multimachine System Study | |
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| Problems | |
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| References | |
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| The Mechanical Torque Power System Control and Stability | |
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| Speed Governing | |
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| The Flyball Governor | |
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| The Isochronous Governor | |
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| Incremental Equations of the Turbine | |
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| The Speed Droop Governor | |
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| The Floating-Lever Speed Droop Governor | |
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| The Compensated Governor | |
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| Problems | |
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| References | |
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| Steam Turbine Prime Movers | |
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| Introduction | |
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| Power Plant Control Modes | |
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| Thermal Generation | |
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| A Steam Power Plant Model | |
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| Steam Turbines | |
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| Steam Turbine Control Operations | |
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| Steam Turbine Control Functions | |
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| Steam Generator Control | |
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| Fossil-Fuel Boilers | |
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| Nuclear Steam Supply Systems | |
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| Problems | |
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| References | |
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| Hydraulic Turbine Prime Movers | |
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| Introduction | |
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| The Impulse Turbine | |
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| The Reaction Turbine | |
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| Propeller-Type Turbines | |
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| The Deriaz Turbine | |
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| Conduits, Surge Tanks, and Penstocks | |
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| Hydraulic System Equations | |
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| Hydraulic System Transfer Function | |
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| Simplifying Assumptions | |
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| Block Diagram for a Hydro System | |
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| Pumped Storage Hydro Systems | |
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| Problems | |
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| References | |
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| Combustion Turbine and Combined-Cycle Power Plants | |
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| Introduction | |
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| The Combustion Turbine Prime Mover | |
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| The Combined-Cycle Prime Mover | |
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| Problems | |
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| References | |
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| Trigonometric Identities for Three-Phase Systems | |
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| Some Computer Methods for Solving Differential Equations | |
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| Normalization | |
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| Typical System Data | |
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| Excitation Control System Definitions | |
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| Control System Components | |
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| Pressure Control Systems | |
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| The Governor Equations | |
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| Wave Equations for a Hydraulic Conduit | |
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| Hydraulic Servomotors | |
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| Index | |