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Electrical power systems /
Electrical Power Systems provides comprehensive, foundational content for a wide range of topics in power system operation and control. With the growing importance of grid integration of renewables and the interest in smart grid technologies it is more important than ever to understand the fundament...
| Clasificación: | Libro Electrónico |
|---|---|
| Autor principal: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Cambridge, MA :
Butterworth-Heinemann, an imprint of Elsevier,
[2017]
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| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- 6.5.3 Nominal [pi]-Method.
- Front Cover; Electrical Power Systems; Copyright Page; Dedication; Contents; Preface; Acknowledgments; 1 Introduction; 1.1 Structure of a Power System; 1.2 Effects of System Voltage on Efficiency; 2 The Line Parameters; 2.1 The Line Resistance; 2.2 The Line Inductance; 2.2.1 Inductance Due to Internal Flux; 2.2.2 Inductance Due to External Flux Linkages; 2.2.3 Inductance of a Single-Phase Line; 2.2.4 Flux Linkages in a Group of Conductors; 2.2.5 Inductance Between Conductor Groups: Self and Mutual Geometric Mean Distance; 2.2.6 Inductance of Three-Phase Lines Symmetrical Spacing.
- 2.2.7 Three-Phase Line With Unsymmetrical Spacing2.3 Transposition of Transmission Lines; 2.4 Inductance of a Transposed Three-Phase Line; 2.5 Bundle Conductors; 2.6 Inductance of a Three-Phase, Double-Circuit Line With Unsymmetrical Spacing and Transposition; 2.7 Capacitance of Transmission Lines; 2.7.1 Potential Difference Between Two Points Due to an Electric Charge; 2.7.2 Capacitance of a Two-Conductor Line; 2.7.3 Capacitance of a Three-Phase Line With Symmetric Spacing; 2.7.4 Capacitance of a Three-Phase Line With Unsymmetrical Spacing.
- 2.8 Capacitance of a Three-Phase, Double-Circuit Line With Symmetrical Spacing2.9 Effect of Earth on the Capacitance of Transmission Lines; 2.10 Effect of Earth Capacitance of a Single-Phase Line; 2.11 Capacitance of Three-Phase Line Including Effect of Earth; 2.12 Skin Effect and Proximity Effect; Worked Examples; Problems; Questions; 3 Mechanical Design; 3.1 Sag and Tension Calculations; 3.2 Approximate Relations for Sag and Tension; 3.3 Conductors Supported at Different Levels; 3.4 Effect of Wind on Sag; 3.5 Effect of Ice Coating on Sag; 3.6 Conductor Materials; 3.6.1 Stranded Conductors.
- 3.7 Vibrations of Conductors3.8 Stringing Chart; 3.9 Sag Template; Worked Examples; Problems; Questions; 4 Insulators; 4.1 Types of Insulators; 4.2 Pin Type Insulators; 4.3 Suspension Type or Disc Insulators; 4.4 Strain Insulators; 4.5 Voltage Distribution in String Insulators; 4.6 String Efficiency; 4.7 Methods for Improving String Efficiency; 4.7.1 Selection of m; 4.7.2 Grading of Units; 4.7.3 Static Shielding or Grading Ring; 4.8 Testing of Insulators; Worked Examples; Problems; Questions; 5 Corona and Interference; 5.1 Disruptive Critical Voltage; 5.2 Visual Critical Voltage (Vv).
- 5.3 Potential Gradient5.4 Power Loss Due to Corona; 5.5 Factors Influencing Corona Loss; 5.6 Interference; 5.6.1 Electromagnetic Effect; 5.6.2 Electrostatic Effect; Worked Examples; Problems; Questions; 6 Performance of Transmission Lines; 6.1 Classification of Lines; 6.1.1 Short Lines; 6.1.2 Medium Lines; 6.1.3 Long Lines; 6.2 The Short Transmission Line; 6.2.1 Voltage Regulation of a Transmission Line; 6.2.2 Efficiency of a Transmission Line; 6.3 Mixed Conditions; 6.4 Maximum Power Transfer; 6.5 Medium Transmission Lines; 6.5.1 Localized Capacitance at the Load End; 6.5.2 Nominal T-method.