Gaseous Dielectrics X

Front Matter....Pages i-xiii
Front Matter....Pages 1-1
Total Ionization Cross Sections of Molecules by Electron Impact....Pages 3-12
SF 6 Dielectric Molecules: Electron Scattering Dynamics and Possible Applications....Pages 13-18
Electron Attachment to Sulphur Hexafluoride and other Fluorine Containing Molecules Investigated using Electron Swarm Techniques....Pages 19-28
Low Energy Electron Attachment by Haloalkanes....Pages 29-33
Electron Attachment to Biologically Relevant Molecules: Towards the Initial Molecular Steps in Radiation Damage....Pages 35-40
Low Energy (< 3eV) Electrons as a Soft Tool for Surface Modification....Pages 41-46
Negative Ion Motion in Pure SF 6 and its Mixtures with Atmospheric, Halocarbon, and Rare Gases....Pages 47-56
Electron Transport and Ionization Properties of C 2 F 6 and CHF 3 Mixed with Ar and N 2 ....Pages 57-62
Recent Measurements of Electron Swarm Coefficients in the Mixtures of SF 6 with Halocarbon and Rare Gases....Pages 63-68
Mobility Estimates of SF 6 − Ion in Parent SF 6 Gas....Pages 69-74
Front Matter....Pages 75-75
Spatio-Temporally Resolved Spectroscopic Diagnostics of the Barrier Discharge in N 2 -O 2 Mixtures at Atmospheric Pressure....Pages 77-86
Impulse Partial Discharge Propagation and Breakdown Characteristics in N 2 /SF 6 Gas Mixtures....Pages 87-92
Microwave Breakdown Studies of He — N 2 Mixtures in a Pillbox Cavity for Repetitively Pulsed High Power Systems....Pages 93-98
Study of Transient Processes by Measurements of Dynamic Breakdown Voltages....Pages 99-104
Influence of Metal Vapor and Composite Material on the Decaying Conductance of a Low -Voltage Circuit Breaker....Pages 105-110
Front Matter....Pages 111-111
Partial Discharge and its Application to Gas Insulated Switchgear....Pages 113-122
Influence of the Power Frequency on Partial Discharge Phenomena....Pages 123-128
Time-Developing Partial Discharge Properties Leading to Sparkover in SF 6 , N 2 , CO 2 and their Gas Mixtures under Lightning Impulse Voltage Application....Pages 129-135
Partial Discharges Waveshape Characterisation....Pages 137-142
Ion Mobility in a Negative Corona Discharge Containing Mixtures of Nitrous Oxide and Oxygen....Pages 143-148
Front Matter....Pages 111-111
Negative Corona Discharge in Point-Plane Geometry: Two Species Model in Oxygen....Pages 149-154
Front Matter....Pages 155-155
Electronegative Plasma Reactor Engineering....Pages 157-166
Plasma Polymerization in an Atmospheric Pressure Dielectric Barrier Discharge in a Flowing Gas....Pages 167-172
Assessed Total and Partial Ionization Cross Sections for CF 4 , C 2 F 6 , C 3 F 8 , CHF 3 , CF 3 I, c -C 4 F 8 , Cl 2 , CCl 2 F 2 , BCl 3 , SF 6 , and Fragments of CF 4 and SF 6 ....Pages 173-180
Systematic Study of Electron and Positron Collisions with Perfluorocarbons C 4 F 8 , cyclo-C 4 F 8 and C 4 F 10 ....Pages 181-186
Transport Coefficients for Electrons in CF 4 in E(t)×B(t) Fields....Pages 187-192
Front Matter....Pages 193-193
Gases as a Dielectric....Pages 195-204
Investigations on SF 6 -Free Gas Circuit Breaker Adopting CO 2 Gas as an Alternative Arc-Quenching and Insulating Medium....Pages 205-210
N 2 and N 2 /CO 2 Mixture in Gas Insulated Compartments under High Pressure....Pages 211-216
Partial Discharge and Breakdown Characteristics of CO 2 -Based Gas Mixtures as SF 6 Substitutes....Pages 217-222
Comparative Measurement of Cable Gun Plasma Density with Biased and Air-Embedded Charge Collectors....Pages 223-228
Negative DC Pre-Stressing on Conductor-Rod Gaps under Positive Impulse Voltages....Pages 229-234
Experimental Investigation of Arc in Fuse Elements during the Interruption Process....Pages 235-240
Front Matter....Pages 241-241
Dielectric Characteristics and Electrical Insulation Design Techniques of Gases and Gas Mixtures as Alternatives to SF 6 ....Pages 243-252
Estimation of Cross-Sectional Size of Gas-Insulated Apparatus Using Hybrid Insulation System with SF 6 Substitute....Pages 253-258
Influence of Transients on Breakdown Probability of Fixed Defects in SF 6 ....Pages 259-264
Evaluation of Interruption Capability on Various Gases....Pages 265-270
Front Matter....Pages 271-271
Gaseous Electronics Applied to the Development and Diagnostics of Insulation Systems....Pages 273-286
Introduction of a Newly Developed Purification Process for Used SF 6 from Electrical Equipment....Pages 287-292
Responsible Handling of Sulfur Hexafluoride (SF 6 ) by Manufacturers of High-Voltage Switchgear....Pages 293-298
Front Matter....Pages 271-271
Analysis of By-Products of N 2 -SF 6 Gas Mixtures Sparked under Inhomogenous Field Conditions....Pages 299-304
Thermally Stressed SF 6 Effects on Construction Metals....Pages 305-310
CBM of HV Switchgear using On-Line PD Measurements....Pages 311-316
Front Matter....Pages 317-317
Improvement of SF 6 Gas Insulation System by Applying Thick Dielectric-Layered Electrode and its Application to High Voltage Equipment....Pages 319-328
N 2 /SF 6 gas Mixtures — Large Scale Application in Gas-Insulated Transmission Lines (GIL)....Pages 329-337
Effect of Different Dielectric Coatings in Divergent Fields....Pages 339-345
Effect of the electrode coating and the field utilization factor on the insulation property of carbon dioxide gas under AC voltage....Pages 347-352
Insulation Degradation Mechanism of Epoxy Spacer Samples for GIS....Pages 353-360
Front Matter....Pages 361-361
Installation, Maintenance, and End of Life of a Gas-Insulated Substation....Pages 363-373
Future Trends of Gas Insulated Substations....Pages 375-384
Hybrid Designs for Open Air Substations....Pages 385-394
Probability of Partial Discharge Detection in Aged GIS due to Void in Epoxy....Pages 395-400
Front Matter....Pages 401-401
The Power Delivery System Infrastrucutre of the Future....Pages 403-411
New and Renewable Energy Technologies....Pages 413-422
Superconductors....Pages 423-432
Insulation Systems for Superconducting Power Devices: Normal Operation Versus Abnormal Conditions....Pages 433-442
Dielectric and Life Cycle Behaviour of a Cryogenic Insulation System....Pages 443-447
Grid, Security and Open Market....Pages 449-454
Front Matter....Pages 455-455
EPA’s SF 6 Emission Reduction Partnership: Maximizing the Benefits of SF 6 Emission Reductions for Electric Utilities....Pages 457-462
Environmental Compatible Use of SF 6 ....Pages 463-474
Front Matter....Pages 455-455
Industrial Outlook: How to Reduce SF 6 Use and Emission — Various Aggressive Approaches to Realize Less SF 6 Environment....Pages 475-484
Back Matter....Pages 485-519