Modelling of corona dynamics for surge propagation studies

Author

De Jesus, Célia ; De Barros, M. T Correia

Author_Institution

Inst. Superior Tecnico, Tech. Univ. Lisbon, Portugal

Volume

9

Issue

3

fYear

1994

fDate

7/1/1994 12:00:00 AM

Firstpage

1564

Lastpage

1569

Abstract

A computer simulation of the dynamics of corona on transmission lines has been established, and implemented into a previously developed corona model, thus making possible its accurate application to fast transient conditions. The model is based on a macroscopic approach to the physical phenomena involved. Results obtained with the improved model have been compared to experimental published results for lightning surges, obtained with different conductors and atmospheric conditions. The model was shown to be adequate for an accurate simulation of the corona charge-voltage diagrams to be used in surge propagation studies, showing the dependence of the threshold voltage upon the surge front rate of rise

Keywords

corona; digital simulation; lightning protection; power engineering computing; power overhead lines; power system protection; power system transients; power transmission lines; surges; atmospheric conditions; computer simulation; corona charge-voltage diagrams; corona dynamics modelling; fast transient conditions; lightning surges; surge front rate of rise; surge propagation; threshold voltage; transmission lines; Application software; Atmospheric modeling; Computer simulation; Conductors; Corona; Lightning; Optical propagation; Power system transients; Surges; Transmission lines;

fLanguage

English

Journal_Title

Power Delivery, IEEE Transactions on

Publisher

ieee

ISSN

0885-8977

Type

jour

DOI

10.1109/61.311209

Filename

311209