Volume 6, Number 2 (June 2010)                   IJEEE 2010, 6(2): 119-128 | Back to browse issues page

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Javadi H, Farzaneh M, Peyda A. Determination of Electric Field at Inception Based upon Current-Voltage Characteristics of AC Corona in Rod-Plane Gaps. IJEEE. 2010; 6 (2) :119-128
URL: http://ijeee.iust.ac.ir/article-1-295-en.html

Abstract:   (6582 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
Full-Text [PDF 302 kb]   (3692 Downloads)    
Type of Study: Research Paper | Subject: High- Voltage Engineering
Received: 2010/06/9

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