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A systematic study is made of the rodplane corona electrical characteristics and of their dependence on the rod diameter, gap length and the applied voltage. The truncation of current density footprint resulting from the proximity of current fields and geometrical factors is also reported. A model to calculate the voltage/current characteristic, based on the saturated current density equation and Warburg's law is proposed, in which adjustments are made for the voltage drop across the discharge, the reduction in effective gap distance due to length of corona discharge, the truncation effects and variations in the Warburg constant.
Physical Science, Measurement and Instrumentation, Management and Education - Reviews, IEE Proceedings A (Volume:134 , Issue: 10 )
Date of Publication: December 1987