Modelling and analysis of switching overvoltages caused by short circuits in MV cables connected with overhead lines

Murtaza Hashmi, M. Lehtonen, Seppo Hänninen

Research output: Contribution to journalArticleScientificpeer-review

3 Citations (Scopus)

Abstract

In this paper, overvoltage transients are investigated and mitigated when a three-phase short-circuit occurs in cable lateral connected with medium voltage (MV) overhead line and fuse is operated. The transients are studied using EMTP-ATP simulation environment and the need of metal oxide varistors (MOVs) is investigated. The cable laterals consist of sub-laterals and their effect on reducing transients is also investigated. The surge arresters are installed at the junction of overhead line and cable and at far end of the cable near short-circuit point. The different mitigation methods are tested and optimal protection scheme to reduce overvoltages is proposed on the basis of surge arresters locations and sub-lateral connections.
Original languageEnglish
Pages (from-to)107-110
Number of pages4
JournalElektronika ir Elektrotechnika
Volume107
Issue number1
Publication statusPublished - 2011
MoE publication typeA1 Journal article-refereed

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Overhead lines
Short circuit currents
Cables
Electric potential
Varistors
Adenosinetriphosphate
Electric fuses
Oxides
Metals

Cite this

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title = "Modelling and analysis of switching overvoltages caused by short circuits in MV cables connected with overhead lines",
abstract = "In this paper, overvoltage transients are investigated and mitigated when a three-phase short-circuit occurs in cable lateral connected with medium voltage (MV) overhead line and fuse is operated. The transients are studied using EMTP-ATP simulation environment and the need of metal oxide varistors (MOVs) is investigated. The cable laterals consist of sub-laterals and their effect on reducing transients is also investigated. The surge arresters are installed at the junction of overhead line and cable and at far end of the cable near short-circuit point. The different mitigation methods are tested and optimal protection scheme to reduce overvoltages is proposed on the basis of surge arresters locations and sub-lateral connections.",
author = "Murtaza Hashmi and M. Lehtonen and Seppo H{\"a}nninen",
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journal = "Elektronika ir Elektrotechnika",
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Modelling and analysis of switching overvoltages caused by short circuits in MV cables connected with overhead lines. / Hashmi, Murtaza; Lehtonen, M.; Hänninen, Seppo.

In: Elektronika ir Elektrotechnika, Vol. 107, No. 1, 2011, p. 107-110.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - Modelling and analysis of switching overvoltages caused by short circuits in MV cables connected with overhead lines

AU - Hashmi, Murtaza

AU - Lehtonen, M.

AU - Hänninen, Seppo

PY - 2011

Y1 - 2011

N2 - In this paper, overvoltage transients are investigated and mitigated when a three-phase short-circuit occurs in cable lateral connected with medium voltage (MV) overhead line and fuse is operated. The transients are studied using EMTP-ATP simulation environment and the need of metal oxide varistors (MOVs) is investigated. The cable laterals consist of sub-laterals and their effect on reducing transients is also investigated. The surge arresters are installed at the junction of overhead line and cable and at far end of the cable near short-circuit point. The different mitigation methods are tested and optimal protection scheme to reduce overvoltages is proposed on the basis of surge arresters locations and sub-lateral connections.

AB - In this paper, overvoltage transients are investigated and mitigated when a three-phase short-circuit occurs in cable lateral connected with medium voltage (MV) overhead line and fuse is operated. The transients are studied using EMTP-ATP simulation environment and the need of metal oxide varistors (MOVs) is investigated. The cable laterals consist of sub-laterals and their effect on reducing transients is also investigated. The surge arresters are installed at the junction of overhead line and cable and at far end of the cable near short-circuit point. The different mitigation methods are tested and optimal protection scheme to reduce overvoltages is proposed on the basis of surge arresters locations and sub-lateral connections.

M3 - Article

VL - 107

SP - 107

EP - 110

JO - Elektronika ir Elektrotechnika

JF - Elektronika ir Elektrotechnika

SN - 1392-1215

IS - 1

ER -