Field Effects on Multiple Particle Contamination And Breakdown Voltage Inside Gas Insulated Bus Duct.
Journal Title: International Journal of engineering Research and Applications - Year 2017, Vol 7, Issue 8
Abstract
The metallic particle contamination in the Gas-Insulated Systems (GIS), plays a key role for the occurrence of Partial Discharge (PD), which causes the failure of insulation in the GIS. This paper presents the study of field effects on multiple particle contamination and breakdown voltage initiated by metallic particles inside a gas insulated bus duct filled with SF6 gas. In this paper, A single Phase Gas Insulated Bus duct with inner diameter conductor of 55mm and diameter of enclosure 150 mm is considered. Three metallic Particles of size of 10 mm in length and 0.25 mm radius, 10 mm length and 0.15 mm radius and 7 mm and 0.25 radii are considered to be present in the GIB. the Finite Elements Method is used to evaluate the electric field distributions on and around the metallic particles at different positions of the particles like when resting on the enclosure and particles floating inside the gap. Electric field intensity in the GIS are studied for both single particle and multiple particles at a time. The breakdown voltages for both single and multiple particle contamination are determined. The effect of gas pressure on the breakdown voltages also studied.
Authors and Affiliations
Ranuva Nageswara Rao, Dr. S. S Tulasiram
Keywords
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- EP ID EP392056
- DOI 10.9790/9622-0708046671.
- Views 101
- Downloads 0
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