Comparison of Positive Leader Propagation in Rod–Plane and Inverted Rod–Plane Gaps

Author

He, Hengxin ; He, Junjia ; Chen, Weijiang ; Xie, ShiJun ; Xiang, Nianwen ; Chen, Jiahong ; Gu, Shanqiang

Author_Institution

State Key Lab. of Adv. Electromagn. Eng. & Technol., Huazhong Univ. of Sci. & Technol., Wuhan, China

Volume

40

Issue

1

fYear

2012

Firstpage

22

Lastpage

28

Abstract

In order to investigate the different features of the positive leader propagation in the rod-plane and inverted rod-plane gaps, the discharge experiments in a 3-m rod-plane gap and 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. Some aspects to describe the positive leader propagation characteristics of the rod-plane and inverted rod-plane gaps are obtained and compared in this paper, including the critical corona radius, the average continuous leader inception voltage, the axial leader velocity, and the final jump length. The possible reason resulting in those differences is also discussed here.

Keywords

corona; plasma diagnostics; average continuous leader inception voltage; axial leader velocity; critical corona radius; discharge; final jump length; high-speed CCD camera; inverted rod-plane gaps; positive leader propagation characteristics; positive leader propagation process; switching impulse voltage; Cameras; Charge coupled devices; Corona; Discharges; Electrodes; Joining processes; Switches; Critical corona radius; inverted rod–plane gap; leader inception voltage; positive leader; rod–plane gap;

fLanguage

English

Journal_Title

Plasma Science, IEEE Transactions on

Publisher

ieee

ISSN

0093-3813

Type

jour

DOI

10.1109/TPS.2011.2172002

Filename

6084850