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CITATION

Acosta, Orlando N.. Power Plant Stability Capacitors and Grounding: Numerical Solutions. US: McGraw-Hill Professional, 2012.

Power Plant Stability Capacitors and Grounding: Numerical Solutions

Authors: Orlando N. Acosta

Published:  July 2012

eISBN: 9780071800099 0071800093 | ISBN: 9780071800082
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  • Cover
  • Title Page
  • Copyright Page
  • About the Author
  • Contents
  • Preface
  • Chapter 1: Power System Basic Knowledge
  • 1.1 Three-Phase Balanced Circuits
  • 1.2 Reduction of Electrical Networks
  • Superposition Theorem
  • 1.3 Per-Unit Quantities
  • Conversion of Per-Unit Impedance Values from One Base to Another
  • 1.4 MVA Method of Short Circuit Calculation
  • 1.5 Short Circuit MVA Combination Rules
  • Components in Series
  • Rule
  • Components in Parallel
  • Rule
  • Delta-Wye Conversion
  • 1.6 Iron Core Saturation
  • Chapter 2: Power Systems Stability
  • 2.1 Introduction
  • 2.2 Classical Model
  • 2.3 Power Flow from Generator to Motor
  • 2.4 Steady-State Stability
  • 2.5 Brief Summary of Rotational Dynamics
  • 2.6 The Swing Equation
  • 2.7 Synchronizing Power Coefficient
  • 2.8 Natural Frequency of Oscillation
  • 2.9 Equal-Area Criterion of Stability
  • 2.10 Generator-Infinity Bus Network
  • 2.11 Introduction to Stability of Multimachine Power Systems
  • 2.12 Coherent Machines
  • 2.13 Modeling of Multimachine Power Systems
  • 2.14 Power Flow in a Multimachine Network
  • 2.15 Network Reduction Techniques
  • Chapter 3: Transient Stability Problem in a Simple Electrical Network
  • 3.1 Stability Problem
  • 3.2 Network Reduction
  • 3.3 Electric Power Transmitted
  • Before the Fault
  • During Fault Conditions
  • After the Fault
  • 3.4 Power Transmitted Before, During, and After Fault Conditions
  • 3.5 Swing Equation
  • 3.6 Numerical Solver
  • Step 1: Standardization
  • Step 2: Single Vector Function
  • Chapter 4: Transient Stability Problem in a Multimachine Network
  • 4.1 Minimum Data Necessary to Do a Transient Stability Study
  • 4.2 Converting Electrical Loads to Equivalent Admittances
  • 4.3 Load Flow during Normal Operation
  • Gauss-Seidel Method
  • First Iteration
  • Second Iteration
  • 4.4 Initial Power Angle Computation
  • G1 Initial Power Angle
  • G2 Initial Power Angle
  • G3 Initial Power Angle
  • 4.5 Network Configuration during the Fault at F1
  • G1 Swing Equation during Fault Conditions
  • G2/G3 Swing Equation during Fault Conditions
  • G1 Swing Equation after Fault Is Cleared
  • G2/G3 Swing Equation after Fault Is Cleared
  • 4.6 Numerical Solution of the Swing Equation
  • Swing Equation for G1 during Fault Conditions
  • Swing Equation for G2/G3 during Fault Conditions
  • G1 Rotor Natural Frequency and Period of Oscillation
  • Chapter 5: High-Voltage AC Capacitors
  • 5.1 Introduction
  • 5.2 Capacitor Steady-State Equations
  • 5.3 Basic Capacitor Connections
  • Capacitors Connected in Series
  • Capacitors Connected in Parallel
  • Capacitance from KVARc to Picofarads
  • 5.4 Reactive Power Compensation
  • 5.5 Series-Connected Capacitor Banks
  • Capacitor Bank Connected in Series with the Line
  • 5.6 Shunt-Connected Capacitor Banks
  • 5.7 AC Voltage Suddenly Applied To or Removed From an RLC Series Circuit
  • Example 5-1
  • Capacitance from KVARc to Picofarads
  • Capacitor Bank Parameters per Phase
  • Sinusoidal Instantaneous Midpoint Voltage and Current Flow before Ground Fault
  • Capacitor Bank Charging Current Assuming It Is Completely Discharged
  • Numerical Solution of Eq. (5.17)
  • Computation of the Voltage Oscillations during the First Four Seconds
  • Chapter 6: Substation Grounding
  • 6.1 Background
  • 6.2 Approaches to Grid Design
  • 6.3 Generally Accepted Assumptions
  • 6.4 Separated Ground Rods
  • 6.5 Substation Fences
  • Chapter 7: Dangerous Electric Currents
  • 7.1 Background
  • 7.2 Magnitude and Frequency
  • 7.3 Duration and Current Path
  • 7.4 Electrical Substation Grounding
  • 7.5 Important Voltage Gradient Definitions
  • Chapter 8: Ground Grid Preliminary Design
  • 8.1 Background
  • 8.2 Single-Rod Electrodes
  • 8.3 Ground Mat Resistance to Earth, Approximated Formulas
  • 8.4 Ground Mat Conductor Corrosion
  • 8.5 Grid Conductor Size
  • 8.6 Gradient Control
  • 8.7 Example of Preliminary Grid Design
  • Design Procedure
  • Second Try
  • Computation of the Step Voltage Just outside the Corner Meshes
  • Return Ground Current Check
  • Ground Mat Resistance to Remote Earth
  • Chapter 9: Principles of Ground Mat Design
  • 9.1 Introduction
  • 9.2 Potential Created by a Point Current Source
  • 9.3 Potential at a Point inside Earth Created by Current Leaking to Earth from a Segment of a Grid Conductor
  • 9.4 Mutual Resistance between Two Conductor Segments
  • 9.5 Self-Resistance
  • Chapter 10: Ground Mat Design with Nonuniform Current Distribution
  • 10.1 Introduction
  • 10.2 Grid Current Distribution during a Fault to Ground
  • 10.3 Computations with Nonuniform Current Distribution in Small Square Grid
  • Segment Classification
  • Determination of Matrix R Elements
  • Computation of the Mesh Voltage
  • 10.4 Ground Grid Buried in Top Layer of Two-Layer Earth Model
  • 10.5 Ground Grid Buried in Bottom Layer of Two-Layer Earth Model
  • Bibliography
  • Index