Observation of the positive leader propagation in the inverted rod-plane gap
Lightning（2011）
Abstract
The characteristics of the positive leader propagation in the inverted rod-plane gap are investigated in this paper. The discharge experiments in a 3-m inverted rod-plane gap were carried out under switching impulse voltage. The positive leader propagation process was recorded by using a high speed CCD camera. The aspects to describe the positive leader propagation characteristics of the inverted rod-plane gaps are obtained and compared with the traditional rod-plane gaps. The critical corona radius and continuous leader inception voltage of rod derived in the 3-m inverted rod-plane gap are lower than that of the traditional rod-plane gaps.
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Key words
high speed ccd camera,size 3 m,ccd image sensors,inverted rod-plane gap,switching impulse voltage,air gaps,critical corona radius,continuous leader inception voltage,corona,positive leader propagation,electrodes,ccd camera,atmospheric modeling,switches
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