Gaseous Dielectrics VI

Negative Ions in Electrical Discharges.- Time Lags and Optical Investigations of Pre-Discharge in SF6/N2 - Mixtures at Very Fast Transient Voltages.- Non-Uniform Field Flashover Characteristics in SF6 Gas Under Negative Steep-Front and Oscillating Impulse Voltages.- Breakdown Characteristics of Non-Uniform Gaps in SF6 Under Fast Oscillating Impulse Voltages.- The Effect of Leader Propagation on the V-t Curves Under LI and VFT in GIS.- Insulating Characteristics of Small SF6 Gas Gaps Under Lightning Impulse Voltages.- Low and High Voltage Distribution Along a Cap and Pin Insulator String Subjected to AC and Impulse Voltages.- Starting Processes and the Influence of the Radioactivity of Thorium on the Statistical Lag Time in Metal Halide Lamps.- Breakdown of Air Gaps Under Oscillatory Simulated Switching Surges.- Gas-Solid Interface Emissions Determined by the ESAW Charge Detection Method.- Contribution of a Solid Insulator to an Electron Avalanche in Nitrogen Gas.- Impulse Surface Charging and Flashover.- Particle-Initiated Prebreakdown Characteristics With An Insulator Stressed on 60 Hz Voltage in SF6.- High Power Gaseous Opening and Closing Switches.- Laser Triggering of Gas Filled Spark Gaps.- A New Approach for an Opening Switch for Repetitive Operations.- A Macroscopic Gas Breakdown Relationship.- Mitigation of Potential Health Hazards of Transmission Line Fields.- Electric and Magnetic Fields: An Engineer's Perspective.- Relative Potency as a Means of Evaluating ELF Health Risks.- Influence of Memory on the Statistics of Pulsating Corona.- Pulsed CoronaExperiments.- Current Stability of Negative Corona Discharges in SF6 and Delayed Spark Breakdown.- Verification of Direct-Current Corona Models Employing the Deutsch Approximation.- Frequency Effects in Alternating Current Corona.- A Mass Spectrometer Study of Ionization in SF6 Corona: Influence of Water and Neutral By-Products.- High Voltage DC Gas Insulation - A World-Wide Review.- Gas-Insulated Substation Performance in Brazilian System.- GIS Insulation and Disconnector Operation.- Experimental Studies on the Pressure Rise in GIS by Internal Arcs With Various Material Parameters and Test Arrangements.- Electromagnetic Interference With Control Equipment by GIS Switching Surges.- Abnormal Phenomena Caused by Contact Failure in 300 kV GIS.- Insulation Coordination in Gas Insulated Switchgear Against Lightning Overvoltages.- Impact on GIS Design by Reducing The Rated LIWL.- Transient Current and Voltage Behavior During Interruption of Small Capacitive Currents With GIS-Disconnectors.- Fast Transients in Gas Insulated Substations - An Experimental and Theoretical Evaluation.- Characteristics of Ultra Low Level Partial Discharges in GIS Epoxy Insulators.- Failure Mechanisms of Gas Insulation and at Gas-Insulator Interface: Their Influence on Gas-Insulated Equipment.- Prevention of Breakdown Due to Overvoltages Across Interruption of GIS Enclosure.- The Application of Infrared Absorption Spectroscopy in Gas-Insulated Equipment Diagnostics.- Disulfur Decafluoride (S2F10): A Review of the Biological Properties and Our Experimental Studies of This Breakdown Product of SF6.- S2F10 Formation by Electrical Discharges in SF6: Comparison of Spark and Corona.- Improvement of the Reliability of GIS by Dielectric Diagnostics.- Detection of Partial Discharges During a Lightning Surge.- Phase Resolved Partial Discharge Measurements in Particle Contaminated SF6 Insulation.- An Electro Optic Method for Transient Field Measurements in GIS.- Analysis of SF6 Discharge by Optical Spectroscopy.- Group Discussion On Future Directions for Studies on Gaseous Dielectrics.- Group Discussion On Industrial Outlook for Gas Dielectric Needs and Uses.- List of Participants.- Photographs of Participants.- Author Index.