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· 분류 : 외국도서 > 기술공학 > 기술공학 > 전기공학
· ISBN : 9781138075047
· 쪽수 : 1092쪽
목차
Short-Circuit Currents and Symmetrical Components
Nature of Short-Circuit Currents
Symmetrical Components
Eigenvalues and Eigenvectors
Symmetrical Component Transformation
Clarke Component Transformation
Characteristics of Symmetrical Components
Sequence Impedance of Network Components
Computer Models of Sequence Networks
Structure and Nature of Electrical Power Systems
Power System Studies
Unsymmetrical Fault Calculations
Line-to-Ground Fault
Line-to-Line Fault
Double Line-to-Ground Fault
Three-Phase Fault
Phase Shift in Three-Phase Transformers
Unsymmetrical Fault Calculations
System Grounding
Open Conductor Faults
Matrix Methods for Network Solutions
Network Models
Bus Admittance Matrix
Bus Impedance Matrix
Loop Admittance and Impedance Matrices
Graph Theory
Bus Admittance and Impedance Matrices by Graph Approach
Algorithms for Construction of Bus Impedance Matrix
Short-Circuit Calculations with Bus Impedance Matrix
Solution of Large Network Equations
Current Interruption in AC Networks
Rheostatic Breaker
AC Arc Interruption
Current-Zero Breaker
Transient Recovery Voltage
The Terminal Fault
The Short-Line Fault
Interruption of Low Inductive Currents
Interruption of Capacitive Currents
TRV in Capacitive and Inductive Circuits
Prestrikes in Breakers
Overvoltages on Energizing High-Voltage Lines
Out-of-Phase Closing
Resistance Switching
Failure Modes of Circuit Breakers
Operating Mechanisms-SF6 Breakers
Vacuum Interruption
Stresses in Circuit Breakers
Application and Ratings of Circuit Breakers and Fuses according to ANSI Standards
Total and Symmetrical Current Rating Basis
Asymmetrical Ratings
Voltage Range Factor K
Circuit Breaker Timing Diagram
Maximum Peak Current
Permissible Tripping Delay
Service Capability Duty Requirements and Reclosing Capability
Capacitance Current Switching
Line-Closing Switching Surge Factor
Out-of-Phase Switching Current Rating
Transient Recovery Voltage
Generator Circuit Breakers
Specifications of High-Voltage Circuit Breakers
Low-Voltage Circuit Breakers
Fuses
Short Circuit of Synchronous and Induction Machines
Reactances of a Synchronous Machine
Saturation of Reactances
Time Constants of Synchronous Machines
Synchronous Machine Behavior on Terminal Short Circuit
Circuit Equations of Unit Machines
Park’s Transformation
Park’s Voltage Equation
Circuit Model of Synchronous Machines
Calculation Procedure and Examples
Short Circuit of Synchronous Motors and Condensers
Induction Motors
Short-Circuit Calculations according to ANSI Standards
Types of Calculations
Accounting for Short-Circuit Current Decay
Rotating Machines Model
Types and Severity of System Short Circuits
Calculation Methods
Network Reduction
Breaker Duty Calculations
Generator Source Short-Circuit Current Asymmetry
Calculation Procedure
Examples of Calculations
Thirty-Cycle Short-Circuit Currents
Short-Circuit Calculations According to IEC Standards
Conceptual and Analytical Differences
Prefault Voltage
Far-from-Generator Faults
Near-to-Generator Faults
Influence of Motors
Comparison with ANSI Calculation Procedures
Examples of Calculations and Comparison with ANSI Methods
Calculations of Short-Circuit Currents in DC Systems
DC Short-Circuit Current Sources
Calculation Procedures
Short Circuit of a Lead Acid Battery
Short-Circuit Current of DC Motors and Generators
Short-Circuit Current of a Rectifier
Short Circuit of a Charged Capacitor
Total Short-Circuit Current
DC Circuit Breakers
Load Flow over Power Transmission Lines
Power in AC Circuits
Power Flow in a Nodal Branch
ABCD Constants
Transmission Line Models
Tuned Power Line
Ferranti Effect
Symmetrical Line at No Load
Illustrative Examples
Circle Diagrams
Modal Analysis
Corona on Transmission Lines
System Variables in Load Flow
Load Flow Methods: Part I
Modeling a Two-Winding Transformer
Load Flow?Bus Types
Gauss and Gauss?Seidel Y-Matrix Methods
Convergence in Jacobi-Type Methods
Gauss?Seidel Z-Matrix Method
Conversion of Y to Z Matrix
Triangular Factorization Method of Load Flow
Load Flow Methods: Part II
Function with One Variable
Simultaneous Equations
Rectangular Form of Newton?Raphson Method of Load Flow
Polar Form of Jacobian Matrix
Simplifications of Newton?Raphson Method
Decoupled Newton?Raphson Method
Fast Decoupled Load Flow
Model of a Phase-Shifting Transformer
DC Load Flow Models
Second Order Load Flow
Load Models
Induction Motor Models
Impact Loads and Motor Starting
Practical Load Flow Studies
Reactive Power Flow and Control
Voltage Instability
Reactive Power Compensation
Reactive Power Control Devices
Some Examples of Reactive Power Flow
Flexible AC Transmission Systems
Three-Phase and Distribution System Load Flow
Phase Coordinate Method
Three-Phase Models
Distribution System Load Flow
Optimal Capacitor Locations
Optimization Techniques
Functions of One Variable
Concave and Convex Functions
Taylor’s Theorem
Lagrangian Method: Constrained Optimization
Multiple Equality Constraints
Optimal Load Sharing between Generators
Inequality Constraints
Kuhn?Tucker Theorem
Search Methods
Gradient Methods
Linear Programming?Simplex Method
Quadratic Programming
Dynamic Programming
Integer Programming
Optimal Power Flow
Optimal Power Flow
Decoupling Real and Reactive OPF
Solution Methods of OPF
Generation Scheduling Considering Transmission Losses
Steepest Gradient Method
OPF Using the Newton Method
Sequential Quadratic Programming
Successive Linear Programming
Interior Point Methods and Variants
Security and Environmental Constrained OPF
Harmonics Generation
Harmonics and Sequence Components
Increase in Nonlinear Loads
Harmonic Factor
Three-Phase Windings in Electrical Machines
Tooth Ripples in Electrical Machines
Synchronous Generators
Transformers
Saturation of Current Transformers
Shunt Capacitors
Sub-Harmonic Frequencies
Static Power Converters
Switch-Mode Power (SMP) Supplies
Arc Furnaces
Cycloconverters
Thyristor-Controlled Reactor
Thyristor-Switched Capacitors
Pulse-Width Modulation
Adjustable Speed Drives
Pulse Burst Modulation
Chopper Circuits and Electric Traction
Slip Frequency Recovery Schemes
Lighting Ballasts
Voltage Source Converters
Inter-Harmonics
Effects of Harmonics
Rotating Machines
Transformers
Cables
Capacitors
Harmonic Resonance
Voltage Notching
Electromagnetic Interference
Overloading of Neutral
Protective Relays and Meters
Circuit Breakers and Fuses
Telephone Influence Factor
Harmonic Analysis
Harmonic Analysis Methods
Harmonic Modeling of System Components
Load Models
System Impedance
Three-Phase Models
Modeling of Networks
Power Factor and Reactive Power
Shunt Capacitor Bank Arrangements
Unbalance Detection
Study Cases
Harmonic Mitigation and Filters
Mitigation of Harmonics
Band-Pass Filters
Practical Filter Design
Relations in an ST Filter
Filters for a Furnace Installation
Filters for an Industrial Distribution System
Secondary Resonance
Filter Reactors
Double-Tuned Filter
Damped Filters
Design of a Second-Order High-Pass Filter
Zero-Sequence Traps
Limitations of Passive Filters
Active Filters
Corrections in Time Domain
Corrections in the Frequency Domain
Instantaneous Reactive Power
Harmonic Mitigation AT Source
Multilevel Converters
Arc Flash Hazard Analysis
Relating Short-Circuit Currents with Arc Flash and Personal Safety
Arc Flash Hazard Analysis
Hazard=Risk Categories
System Grounding: Impact on Incident Energy
Duration of an Arc Flash Event and Arc Flash Boundary
Protective Relaying and Coordination
Short-Circuit Currents
Arc Flash Calculations in Medium-Voltage Systems
Arc Flash Calculations in Low-Voltage Systems
Accounting for Decaying Short-Circuit Currents
Wind Power
AEP 765 kV Transmission Grid Initiative in the United States
Wind Energy Conversion
The Cube Law
Operation
Wind Generators
Power Electronics
Reactive Power Control
Harmonics
Computer Modeling
Appendix A: Matrix Methods
Appendix B: Calculation of Line and Cable Constants
Appendix C: Transformers and Reactors
Appendix D: Sparsity and Optimal Ordering
Appendix E: Fourier Analysis
Appendix F: Limitation of Harmonics
Appendix G: Estimating Line Harmonics
