Power plant stability, capacitors, and grounding : numerical solutions

Title:

Personal Author:

Acosta, Orlando N.

Publication Information:

New York, NY. : McGraw-Hill Professional ; London : McGraw-Hill [distributor], 2012

Physical Description:

xii, 224 p. : ill. ; 24 cm.

ISBN:

9780071800082

Subject Term:

Electric power system stability -- Mathematical models

Capacitors

Electric currents -- Grounding

Available:*

Library	Item Barcode	Call Number	Material Type	Item Category 1	Status
Searching... MJIIT Library	30000010242891	TK1010 A268 2012	Open Access Book	Book	Searching... Unknown
Searching... PSZ JB	30000010306378	TK1010 A268 2012	Open Access Book	Book	Searching... Unknown

Publisher's Note: Products purchased from Third Party sellers are not guaranteed by the publisher for quality, authenticity, or access to any online entitlements included with the product.
Design and maintain highly stable electrical power systems Power Plant Stability, Capacitors, and Grounding is filled with numerical solutions of differential equations to help you solve complex electrical problems regarding the stability of powergenerating systems. After an overview of fundamental electrical engineering concepts, the book focuses on power system stability, high-voltage capacitors, safety, and electrical substation grounding systems.

Case studies, problems, and examples are worked out andexplained in great detail. The material presented in this practical guide is essential for the design, installation, operation, and maintenance of the vast network of interconnected electrical power systems.

Coverage includes:
* Power system basic knowledge * Power system stability* Transient stability problem in a simple electrical network * Transient stability problem in a multimachine network * High-voltage AC capacitors * Substation grounding* Dangerous electric currents * Ground grid preliminarydesign * Principles of ground mat design * Ground mat design with nonuniform current distribution

Author Notes

Orlando Acosta has worked as a practicing electrical engineer and consultant for Sunbelt Energy Systems, Naval Sea Systems Command, Parsons & Whittemore, Catalytic Inc., Chrysler Corporation Space Division, Sperry Rand Corporation, ITE Circuit Breaker, and CENO Utility.

Preface	p. xi
1 Power System Basic Knowledge	p. 1
1.1 Three-Phase Balanced Circuits	p. 1
1.2 Reduction of Electrical Networks	p. 2
1.3 Per-Unit Quantities	p. 4
1.4 MVA Method of Short Circuit Calculation	p. 6
1.5 Short Circuit MVA Combination Rules	p. 7
1.6 Iron Core Saturation	p. 12
2 Power Systems Stability	p. 17
2.1 Introduction	p. 17
2.2 Classical Model	p. 18
2.3 Power Flow from Generator to Motor	p. 20
2.4 Steady-State Stability	p. 25
2.5 Brief Summary of Rotational Dynamics	p. 26
2.6 The Swing Equation	p. 30
2.7 Synchronizing Power Coefficient	p. 32
2.8 Natural Frequency of Oscillation	p. 35
2.9 Equal-Area Criterion of Stability	p. 36
2.10 Generator-Infinity Bus Network	p. 39
2.11 Introduction to Stability of Multimachine Power Systems	p. 40
2.12 Coherent Machines	p. 41
2.13 Modeling of Multimachine Power Systems	p. 42
2.14 Power Flow in a Multimachine Network	p. 43
2.15 Network Reduction Techniques	p. 44
3 Transient Stability Problem in a Simple Electrical Network	p. 49
3.1 Stability Problem	p. 49
3.2 Network Reduction	p. 50
3.3 Electric Power Transmitted	p. 53
3.4 Power Transmitted Before, During, and After Fault Conditions	p. 55
3.5 Swing Equation	p. 56
3.6 Numerical Solver	p. 58
4 Transient Stability Problem in a Multimachine Network	p. 65
4.1 Minimum Data Necessary to Do a Transient Stability Study	p. 68
4.2 Converting Electrical Loads to Equivalent Admittances	p. 71
4.3 Load Flow dialing Normal Operation	p. 73
4.4 Initial Power Angle Computation	p. 87
4.5 Network Configuration during the Fault at F1	p. 89
4.6 Numerical Solution of the Swing Equation	p. 96
5 High-Voltage AC Capacitors	p. 103
5.1 Introduction	p. 103
5.2 Capacitor Steady-State Equations	p. 105
5.3 Basic Capacitor Connections	p. 105
5.4 Reactive Power Compensation	p. 107
5.5 Series-Connected Capacitor Banks	p. 108
5.6 Shunt-Connected Capacitor Banks	p. 110
5.7 AC Voltage Suddenly Applied To or Removed From an RLC Series Circuit	p. 112
6 Substation Grounding	p. 127
6.1 Background	p. 127
6.2 Approaches to Grid Design	p. 127
6.3 Generally Accepted Assumptions	p. 128
6.4 Separated Ground Rods	p. 129
6.5 Substation Fences	p. 129
7 Dangerous Electric Currents	p. 131
7.1 Background	p. 131
7.2 Magnitude and Frequency	p. 132
7.3 Duration and Current Path	p. 133
7.4 Electrical Substation Grounding	p. 137
7.5 Important Voltage Gradient Definitions	p. 138
8 Ground Grid Preliminary Design	p. 139
8.1 Background	p. 139
8.2 Single-Rod Electrodes	p. 140
8.3 Ground Mat Resistance to Earth, Approximated Formulas	p. 142
8.4 Ground Mat Conductor Corrosion	p. 143
8.5 Grid Conductor Size	p. 145
8.6 Gradient Control	p. 148
8.7 Example of Preliminary Grid Design	p. 152
9 Principles of Ground Mat Design	p. 159
9.1 Introduction	p. 159
9.2 Potential Created by a Point Current Source	p. 161
9.3 Potential at a Point inside Earth Created by Current Leaking to Earth from a Segment of a Grid Conductor	p. 163
9.4 Mutual Resistance between Two Conductor Segments	p. 167
9.5 Self-Resistance	p. 174
10 Ground Mat Design with Nonuniform Current Distribution	p. 177
10.1 Introduction	p. 177
10.2 Grid Current Distribution during a Fault to Ground	p. 177
10.3 Computations with Nonuniform Current Distribution in Small Square Grid	p. 180
10.4 Ground Grid Buried in Top Layer of Two-Layer Earth Model	p. 203
10.5 Ground Grid Buried in Bottom Layer of Two-Layer Earth Model	p. 206
Bibliography	p. 209
Index	p. 211

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Summary

Summary

Author Notes

Table of Contents