Volume 6, Issue 2 (June 2010)
IJEEE 2010, 6(2): 119-128 |
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Abstract: (11685 Views)
This paper deals with the measurement of AC corona inception voltage, Vincp, at
the tip of a rod electrode using a hemispherically-capped rod-plane electrode configuration
for various rod radii with a short air gap. Effects of atmospheric pressure and temperature
variation on Vincp are investigated experimentally. An empirical equation for the field form
factors of the hemispherically capped rod-plane electrodes is proposed with its range of
applicability. The obtained results are analyzed to derive a more accurate analytical
equation for the calculation of the electric field at corona inception voltage, Eincp, and the
average of electric field distribution, Emean
Keywords: Electric Field , Corona Inception Voltage , Rod-Plane Electrodes , Form Factor , Atmospheric Correction Factor , 3-D Electric Field Simulation
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