Theoretical Evaluation of Peek's Law
- 1 November 1984
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Industry Applications
- Vol. IA-20 (6) , 1647-1651
- https://doi.org/10.1109/tia.1984.4504655
Abstract
A theoretical evaluation for Peek's law which yields the corona onset gradient is made in air for positive wire/cylinder and positive point/plane geometries. The physical and geometrical parameters used in Meek's criterion take into account the variation of apparent ionization coefficient λ 1 of air with humidity, pressure, and temperature and the curvature radius R of the rod tip (or the wire diameter D). A single analytic integrable expression is introduced for λ 1 /P which may be used for any value of the reduced field E/p. The results covering a wide range of parameters 10 -7 m < R or D < 10 7 m (up to a plane/plane geometry) are compared with a variety of experimental results.Keywords
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