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Measurement and Analysis of Overvoltages in Power Systems.
| Clasificación: | Libro Electrónico |
|---|---|
| Autor principal: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
New York :
John Wiley & Sons, Incorporated,
2017.
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| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Cover; Title Page; Copyright; Contents; Preface; Chapter 1 Overvoltage Mechanisms in Power Systems; 1.1 Electromagnetic Transients and Overvoltage Classification; 1.1.1 Electromagnetic Transients in Power System; 1.1.2 Characteristics and Research Methods of Electromagnetic Transients; 1.1.2.1 Refraction and Reflection of Travelling Waves; 1.1.2.2 Peterson Principle; 1.1.2.3 Multiple Refraction and Reflection of Travelling Waves; 1.1.2.4 Evaluation of Overvoltages Using the Bergeron Method; 1.2 Overvoltage Classification in Power Systems; 1.2.1 Overvoltage Classification.
- 1.3 Atmospheric Overvoltages1.3.1 Lightning Discharge; 1.3.2 Lightning Parameters; 1.3.2.1 Frequency of Lightning Activities â#x80;#x93; Thunderstorm Days and Thunderstorm Hours; 1.3.2.2 Ground Flash Density; 1.3.2.3 Lightning Current Amplitude; 1.3.2.4 Front Time, Front Steepness and Wavelength of the Lightning Current; 1.3.2.5 Lightning Current Waveforms for Calculation; 1.3.3 Induced Lightning Overvoltages; 1.3.3.1 Induced Lightning Overvoltages on the Line When Lightning Strikes the Ground Near the Line; 1.3.3.2 Induced Overvoltages on the Line When Lightning Strikes the Line Tower.
- 1.3.4 Direct Lightning Overvoltages1.3.4.1 Overvoltages Due to Lightning Striking the Tower Top; 1.3.4.2 Overvoltages Due to Lightning Striking the Ground Wire at Midspan; 1.3.4.3 Overvoltages Due to Shielding Failures; 1.4 Switching Overvoltages; 1.4.1 Closing Overvoltages; 1.4.1.1 Overvoltages Caused by Closing Unloaded Lines; 1.4.1.2 Overvoltages Caused by Planned Closing; 1.4.1.3 Overvoltages Caused by Automatic Reclosing; 1.4.1.4 Factors Influencing Closing Overvoltages; 1.4.1.5 Measures for Suppressing Closing Overvoltages; 1.4.2 Opening Overvoltages.
- 1.4.2.1 Overvoltages Caused by Deâ#x80;#x90;Energizing Unloaded Lines1.4.2.2 Physical Process; 1.4.2.3 Influencing Factors; 1.4.2.4 Measures; 1.4.2.5 Switching Off Unloaded Transformers; 1.4.2.6 Cause and Physical Process; 1.4.2.7 Waveform Characteristics; 1.4.2.8 Influencing Factors; 1.4.2.9 Restrictive Measures; 1.4.3 Arc Grounding Overvoltages; 1.4.3.1 Cause and Formation; 1.4.3.2 Overvoltage Characteristics and Waveforms; 1.4.3.3 Influencing Factors; 1.4.3.4 Restrictive Measures; 1.4.4 Power System Splitting Overvoltages; 1.5 Power Frequency Overvoltages.
- 1.5.1 Power Frequency Overvoltages due to the Ferranti Effect1.5.2 Power Frequency Voltage Rise Due to Asymmetrical Shortâ#x80;#x90;Circuit Faults; 1.5.3 Power Frequency Voltage Rise Due to Load Rejection; 1.5.4 Precautionary Measures for Power Frequency Overvoltages; 1.6 Resonance Overvoltages; 1.6.1 Linear Resonance Overvoltages; 1.6.2 Ferroâ#x80;#x90;Resonance Overvoltages; 1.6.3 Parametric Resonance Overvoltages; Chapter 2 Transducers for Online Overvoltage Monitoring; 2.1 Overvoltage Transducers at Transformer Bushing Taps; 2.1.1 Design; 2.1.1.1 Structural Design of the Main Body.