NDLI: Control of particle dynamics in a compact size gas insulated busduct with dielectric films

Content Provider	IEEE Xplore Digital Library
Author	Kumar, G.V.N. Amarnath, J. Singh, B.P. Chowdary, D.D.
Copyright Year	2008
Description	Author affiliation: Jawaharlal Nehru Technol. Univ., Hyderabad (Amarnath, J.) \|\| Vignan's Inst. of Inf. Technol., Visakhapatnam (Kumar, G.V.N.; Chowdary, D.D.) \|\| Jyothismathi Inst. of Eng. & Technol., Hyderabad (Singh, B.P.)
Abstract	The development of compressed gas insulated switchgear (GIS) equipment has progressed rapidly. Conducting particles in transmission and switching equipment insulated by compressed sulphur hexafluoride $(SF_{6})$ can result in loss of as much as 90% of the gas dielectric strength. These particles may be free to move in the electric field or may be fixed on the conductors, thus enhancing local surface fields. In a horizontal coaxial system with particles resting on the inside surface of the enclosure, the motion of such particles is random but the randomness depends on the coefficient of restitution and angle of incidence when approaching the coaxial conductors. The power industry has utilized several methods to control and minimize the effect of particle contamination in GIS. One such technique is to apply a dielectric (high resistivity) coating to the inside surface of the outer GIS enclosure. The electric field necessary to lift a particle resting on the inside surface of a GIS enclosure is much increased due to the coating. The simulation of the particle movement was carried under different AC voltage levels for coated and uncoated cases. The results have been presented and analyzed.
Starting Page	465
Ending Page	470
File Size	5671516
Page Count	6
File Format	PDF
ISBN	9781424438259
DOI	10.1109/INDCON.2008.4768768
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-12-11
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Dielectrics and electrical insulation Geographic Information Systems Particle Contamination Surface contamination Switchgear Conductors Dielectric films Coaxial components Coatings Metallic Particles Electric Field Gas Insulated Substations Size control Gas insulation
Content Type	Text
Resource Type	Article

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Behavior of metallic particles in a single phase gas insulated system with dielectric coated electrodes

Dielectric Behavior of Compact Design Three Phase Coated Gas Insulated Busduct with Metallic Particle Contamination

Effect of Various Design Parameters on the Movement of Metallic Particles in a Three Phase Common Enclosure Gas Insulated Busduct

On the use of dielectric coatings in particle-contaminated gas insulated switchgear

Simulation of Particle Trajectories in a Three Phase Common Enclosure Gas Insulated Busduct with Monte Carlo Technique

Performance of Gas Insulated Substations with Metallic Particle Contamination under the Influence of Various Types of Voltages

Electric field effect on metallic particle contamination in a common enclosure gas insulated busduct

Movement Patterns of Metallic Particles in a Single Phase Gas Insulated Busduct with Superimposed Lighting and Switching Impulses

Effect of various design parameters of gas insulated bus duct in the performance of gas insulated sub-stations

Control of particle dynamics in a compact size gas insulated busduct with dielectric films

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