Characteristics of electromagnetic wave radiated from corona discharge

Author

Shixiu, Chen ; Youlin, Sun ; Hengkun, Xie

Author_Institution

Dept. of Electr. Eng., Wuhan Univ., China

Volume

2

fYear

2001

fDate

2001

Firstpage

1279

Abstract

EMI radiated from corona discharge is a serious problem in both EMC and insulation condition monitoring of electric power apparatus. In order to take effective measures to decrease the EMI from corona discharge, the characteristics of electromagnetic (EM) wave radiated from corona discharge should be investigated. The reasons why this problem is complicated are mentioned. A physical model on corona discharge for needle-plate electrode in a closed loop has been presented; polarization pattern and orientation pattern of its EM wave have been analyzed. To verify the correctness of the physical model, a series of experiments have been carried out. Both experiment results and its analysis are reported in this paper

Keywords

condition monitoring; corona; electrodes; electromagnetic compatibility; electromagnetic interference; electromagnetic wave polarisation; insulation testing; power apparatus; EM wave orientation pattern; EM wave polarization pattern; EMC; EMI; biconic antenna; circular antenna; closed loop; corona discharge; electric power apparatus; electromagnetic wave radiation; insulation condition monitoring; needle-plate electrode; Condition monitoring; Corona; Dielectrics and electrical insulation; Electrodes; Electromagnetic compatibility; Electromagnetic interference; Electromagnetic measurements; Electromagnetic radiation; Electromagnetic scattering; Electromagnetic wave polarization;

fLanguage

English

Publisher

ieee

Conference_Titel

Electromagnetic Compatibility, 2001. EMC. 2001 IEEE International Symposium on

Conference_Location

Montreal, Que.

Print_ISBN

0-7803-6569-0

Type

conf

DOI

10.1109/ISEMC.2001.950630

Filename

950630