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醉染图书气体放电与气体绝缘9787313155207
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1Introduction
1.1Definition and Content of Gas Discharge
1.2History of Electrical Discharge Research
1.3Classification of the Discharge
1.4Application of the Discharge
1.5Definition and Content of Gas Insulation
1.6History and Application of Sulfur Hexafluoride
1.7Situation and Develomn&bsp;of Environmentally Friendly Insulating Gas
References
2Fundamentals of Gas Discharge
2.1Charged Panicles in the Process of Gas Discharge
2.1.1Photons
2.1.2Electrons
2.1.3Ground State Atoms(or Molecules)and Excited Atoms(or Molecules)
2.1.4Positive and Negative Ions
2.2Movement of Charged Panicles
2.2.1Thermal Motion of Charged Particles
2.2.2Diffusion Motion of Charged Particles
2..Drift Motion of Charged Particles
.Collision Interactions of Charged Particles
..1Classification of Collision Between Panicles
..2Collision Energy Transfer
..Collision Characteristic Parameters
..4Elastic Collisions of Electrons, Ions and Atoms
..5Excitation and Ionization of Gas Atoms
..Gas Particle Excitation Transferring
..Disappearance of Charged Particles
References
3Fundamental Theory of Townsend Discharge
3.1Formation and Develomn&bsp;of Electronic Avalanche
3.1.1Formation of Electronic Avalanche
3.1.2a Process
3.1.3γ Process
3.2Self-Sustaining Discharge Criterion
3.2.1Gas Discharge Volt-Ampere Characteristics
3.2.2From Non-Self-Sustaining to Self-Sustaining Discharge
3..The Condition of Self-Sustained Discharge
3.3Paschens Law
3.3.1Paschens Law
3.3.2The Impact of Impurity Gases on the Breakdown Potential
3.3.3The Impact of Electrodes on Breakdown Voltage
3.3.4The Impact of Electric Field Distribution on Breakdown Voltage
3.3.5The Impact of External Ionization Source on Breakdown Potential
3.4Townsend Discharge Experiments
3.4.1The Steady-State Townsend Experiment(SST)
3.4.2Pulse Townsend Method(PT)
References
4Fundamental Theory of Streamer and Leader Discharge
4.1Streamer Discharge Mechanism
4.1.1Basic Properties of Spark Discharge
4.1.2Streamer Discharge
4.2Long Gap and Leader Discharge
4.2.1Experimental Study on the Long Gap Discharge in Air
4.2.2Discharge Process in Non-uniform Electric Field
References
5Theoretic Analysis Methods for Modeling Gas Discharge
5.1Monte Carlo Simulation
5.1.1Introduction of General Monte Carlo Simulation.
5.1.2Monte Carlo Simulation of Electron Avalanche Development
5.1.3Electron Swarm Parameters from Monte Carlo Simulation
5.2Boltzmann Equation Method
5.2.1Introduction to Boltzmann Equation Method
5.2.2Electron Swarm Parameters Calculated by Boltzmann Equation Method
References
6Dielectric Strent&nsp;of Atmosphere Air
6.1Breakdown Voltage Characteristics in Uniform and si-uniform Electric Fields
6.1.1Breakdown Characteristics Under Continuous Voltages
6.1.2Breakdown Characteristics Under Lightning Impulse Voltages
6.1.3Breakdown Characteristics Under Oraig Impulse Voltage
6.2Breakdown Characteristics in Extremely Nonuniform Electric Fields
6.2.1Breakdown Characteristics Under Continuous Voltage
6.2.2Breakdown Characteristics Under Lightning Impulse Voltage
6..Breakdown Voltage Under Oraig Impulse Voltage
6.3Methods to Improve Insulation Strent&nsp;in Air
6.3.1Improve the Shape of Electrodes
6.3.2Use of Electric Field Distortion by Space Charges.
6.3.3Use of Barrier in Extremely Nonuniform Electric Fields
6.3.4Solid Insulating Coating Layer
6.3.5Use of Hi&nsp;Pressure
6.3.6Use of Hi&nsp;Vacuum
6.3.7Use of High-Dielectric-Strent&nsp;Gases
References
7Insulation Characteristics of Sulfur Hexafluoride(SF6)
7.1Basic Physical and Chemical Properties of SF6
7.1.1Molecular Structure
7.1.2Gas State Parameters
7.1.3Electronegativity and Thermal Performance
7.1.4Decoition of SF6
7.2Breakdown Characteristics of SF6
7.2.1Breakdown Characteristics in Uniform Electric Fields
7.2.2Breakdown Characteristics in si-uniform Fields
7..Breakdown Characteristics in Extremely Non-uniform Fields
7.3Surface Discharge Characteristics of Solid Insulators in SF6
7.3.1Effects of Electric Field Distribution
7.3.2Other Factors Affecting Solid Surface Discharge Characteristics
7.4Factors Affecting Insulation Properties of SF6
7.4.1Effects of Gas Pressure on Breakdown Voltage of SF6
7.4.2Effect of Electric Field Uniformity on Breakdown Voltage of SF6
7.4.3Effect of Polarity on Breakdown Voltage of SF6
7.4.4Effect of Surface Roughness on Breakdown Voltage of SF6
References
8Insulating Characteristics of SF6 Gas Mixtures
8.1Improvements of Gas Mixtures on Defects of SF6
8.1.1Liquefaction Temperature
8.1.2Insulating Properties
8.1.3Cost of Gas
8.1.4Environmental Protection
8.2Mixing Characteristics of SF6 Gas Mixtures
8.2.1Mixing Ratio
8.2.2Changes of Mixing Ratio with Heit
8.2.4Recovery of Gas Mixtures
8.3Insulation Properties of Binary Mixtures of SF6 with Other Gases
8.3.1Electrical Strent&nsp;of SF6/N2 Gas Mixtures
8.3.2Electrical Strent&nsp;of SF6/CO2 Gas Mixtures
8.3.3Contrast Between SF6/N2 and SF6/CO2
8.4Other Multivariate SF6 Gas Mixtures
8.4.1SF6/He and SF6/Ne Gas Mixtures
8.4.2SF6/Ar, SF6/Kr and SF6/Xe Gas Mixtures
8.4.3Gas Mixtures Consisting of SF6 and Gases Containing Halogen Elements
References
9Insulating Characteristics of Potential Alternatives to Pure SF6
9.1Research Advances on Substitutes for SF6
9.1.1Significance of Research
9.1.2Current Research on Alternatives to SF6 Gas
9.2Insulation Properties of c-C4F8 and Its Gas Mixtures
9.2.1c-C4F8/CO2 Discharge Characteristics and Analysis.
9.2.2c-C4F8/CF4 Discharge Characteristics and Analysis.
9..c-C4F8/N2 Discharge Characteristics and Analysis..
9.2.4c-C4F8/N2O Discharge Characteristics and Analysis,
9.2.5The Influence of CO2,CF4,N2 and N2O on the(E/N) lim of c-C4F8
9.3Insulation Performance of CF3I and Its Gas Mixtures
9.3.1Insulation Performance Analysis of CF3I
9.3.2Feasibility Analysis of CF3I and Its Gas Mixtures Used in C-GIS
9.4Insulation Performance of Other Potential Alternative Gas
9.4.1Perfluoropropane(C3F8)
9.4.2Nitrous Oxide(N2O)
9.4.3Trifluoromethane(CHF3)
9.4.4Fluorinated Carbon(CF4)
Reference
10Develomn&bsp;Proscs&bsp;of Gas Insulation
10.1Three Stages of Develomn&bsp;of Gas Insulation
10.1.1Application and Develomn&bsp;of Pure SF6 Gas
10.1.2Application and Develomn&bsp;of SF6 Gas Mixtures
10.1.3Develomn&bsp;of Research on Environmentally Friendly Insulation Gas
10.2Research and Develomn&bsp;of c-C4F8 and Its Gas Mixtures
10.2.1Properties of c-C4F8
10.2.2Further Research on c-C4F8 and Its Mixtures Discharge Mechanism
10..The Application and Develomn&bsp;of c-C4F8 and Its Gas Mixtures
10.3Study and Develomn&bsp;of CF3I and Its Gas Mixtures
10.3.1Physical Properties of CF3I Gas
10.3.2Further Study on Insulation Properties of CF3I Gas
10.3.3Research Tendency and Application of CF3I and Its Gas Mixtures
References
Index
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