An efficient procedure for the implementation of corona models in electromagnetic transients programs

Author

Carneiro, S., Jr. ; Marti, J.R. ; Dommel, H.W. ; Barros, H.M.

Author_Institution

Univ. Federal de Rio de Janeiro, Brazil

Volume

9

Issue

2

fYear

1994

fDate

4/1/1994 12:00:00 AM

Firstpage

849

Lastpage

855

Abstract

It has been shown in previous studies that transmission line corona models which are suitably described by piecewise linear approximations are easy to implement using the compensation method in the EMTP. This approach requires the line to be divided into short sections. In the present work an efficient recursive scheme that allows for an independent solution of each segment and its associated corona branch is described. The entire line is treated as a single nonlinear element by the EMTP. Simulations of field tests on an actual line under corona are presented and comparisons are made with the previous implementation. Considerable savings in CPU time have been attained with the new scheme, which can be coded and interfaced with any electromagnetic transients program

Keywords

corona; digital simulation; electromagnetic interference; power engineering computing; power transmission lines; transmission line theory; EMTP; corona models; electromagnetic transients program; electromagnetic transients programs; field tests simulations; nonlinear element; recursive scheme; transmission line; Corona; Delay effects; EMTP; Electromagnetic modeling; Electromagnetic transients; Piecewise linear techniques; Power system transients; Power transmission lines; Testing; Voltage;

fLanguage

English

Journal_Title

Power Delivery, IEEE Transactions on

Publisher

ieee

ISSN

0885-8977

Type

jour

DOI

10.1109/61.296266

Filename

296266