Static field anode corona characteristics in sulphur hexafluoride
- 1 January 1976
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Power Apparatus and Systems
- Vol. 95 (1) , 178-186
- https://doi.org/10.1109/t-pas.1976.32090
Abstract
This paper reports the results of an experimental investigation of the static field anode corona characteristics in SF6over a wide range of gas pressures and field non-uniformities. In addition to the experimental study the theoretical streamer onset voltages of the various test gap geometry-pressure configurations were calculated and these are compared with the experimentally determined breakdown voltages and onset levels of the various stages of prebreakdown current activity. Also discussed is a method of estimating the minimum gas. pressure at which breakdown occurs in the absence of positive DC corona in a non-uniform field.Keywords
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