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A Frequency Independent Circuit Model of a Conductor under Surge Conditions

A Frequency Independent Circuit Model of a Conductor under Surge Conditions
A Frequency Independent Circuit Model of a Conductor under Surge Conditions
This paper presents a circuit-based model of a current carrying conductor that can provide instantaneous ohmic losses under surge conditions. The model is frequency independent and can be used to calculate transient current characteristics of surges on overhead transmission lines. The theoretical current distribution under lightning surge conditions is used to demonstrate the validity of the model and results are compared with values obtained using a finite element analysis package. There is a good correlation between the two methods with the circuit-based model having the advantage of being less cumbersome, requiring shorter computation time and being simple to implement in transient analysis packages.
0894-3370
139-47
Davies, A E
56d95222-b259-494a-92e9-68b090ec0dcd
Tong, Y K
311e849d-671b-49c2-9d96-cdb6904c1a75
Lewin, P L
78b4fc49-1cb3-4db9-ba90-3ae70c0f639e
German, D M
b689e641-47ab-4822-a6fc-29a3a0c7ea5f
Davies, A E
56d95222-b259-494a-92e9-68b090ec0dcd
Tong, Y K
311e849d-671b-49c2-9d96-cdb6904c1a75
Lewin, P L
78b4fc49-1cb3-4db9-ba90-3ae70c0f639e
German, D M
b689e641-47ab-4822-a6fc-29a3a0c7ea5f

Davies, A E, Tong, Y K, Lewin, P L and German, D M (1995) A Frequency Independent Circuit Model of a Conductor under Surge Conditions. Intn. Journal of Numerical Modelling, 8 (2), 139-47.

Record type: Article

Abstract

This paper presents a circuit-based model of a current carrying conductor that can provide instantaneous ohmic losses under surge conditions. The model is frequency independent and can be used to calculate transient current characteristics of surges on overhead transmission lines. The theoretical current distribution under lightning surge conditions is used to demonstrate the validity of the model and results are compared with values obtained using a finite element analysis package. There is a good correlation between the two methods with the circuit-based model having the advantage of being less cumbersome, requiring shorter computation time and being simple to implement in transient analysis packages.

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More information

Published date: March 1995
Organisations: Electronics & Computer Science, EEE

Identifiers

Local EPrints ID: 254004
URI: https://eprints.soton.ac.uk/id/eprint/254004
ISSN: 0894-3370
PURE UUID: 5b215867-0c65-4794-ae6f-d785d1aef84a

Catalogue record

Date deposited: 26 Jun 2003
Last modified: 30 Nov 2017 17:32

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