Corona characteristics of conductors due to oscillatory lightning surges

Author

Jia, Wang ; Xiaoqing, Zhang

Author_Institution

Sch. of Electron. Inf., Beijing Univ. of Civil Eng. & Archit., Beijing

fYear

2008

fDate

19-23 May 2008

Firstpage

690

Lastpage

693

Abstract

Existing calculations of lightning overvoltage are based on double exponential impulses. In fact, damped oscillatory impulses are closer to the actual status than double exponential impulses. An experimental study of corona characteristics under unipolar oscillation impulses is described in this paper which exposed the change rule of q-u curves by changing parameter of waveshape. It also explains the origin of error in lightning overvoltage calculation based on q-u characteristics of double exponential impulses.

Keywords

corona; lightning; lightning protection; overvoltage; surge protection; surges; conductors; corona; double exponential impulses; oscillatory lightning surges; unipolar oscillation impulses; Conductors; Corona; Current measurement; Electrodes; Electromagnetic compatibility; Frequency; Lightning; Resistors; Surge protection; Voltage control; damped oscillatory impulses; lightning overvoltage calculation; q-u curves;

fLanguage

English

Publisher

ieee

Conference_Titel

Electromagnetic Compatibility and 19th International Zurich Symposium on Electromagnetic Compatibility, 2008. APEMC 2008. Asia-Pacific Symposium on

Conference_Location

Singapore

Print_ISBN

978-981-08-0629-3

Electronic_ISBN

978-981-08-0629-3

Type

conf

DOI

10.1109/APEMC.2008.4559969

Filename

4559969