Lightning impulse strength of 275 kV and 132 kV tower with composite crossarm

Severe lightning overvoltage is regarded to the multiple flashovers on the overhead lines. Therefore, it signifies the needs of having a robust insulation system, especially to those which highly susceptible to lightning strikes. In order to minimize the impact of lightning, it is necessary to evalu...

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Main Authors: Abd Rahman, M.S., Ab Kadir, M.Z.A., Ab-Rahman, M.S., Osman, M., Nor, S.F.M.
Format: Conference Paper
Language:English
Published: 2020
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Institution: Universiti Tenaga Nasional
Language: English
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spelling my.uniten.dspace-130062020-07-07T01:47:41Z Lightning impulse strength of 275 kV and 132 kV tower with composite crossarm Abd Rahman, M.S. Ab Kadir, M.Z.A. Ab-Rahman, M.S. Osman, M. Nor, S.F.M. Severe lightning overvoltage is regarded to the multiple flashovers on the overhead lines. Therefore, it signifies the needs of having a robust insulation system, especially to those which highly susceptible to lightning strikes. In order to minimize the impact of lightning, it is necessary to evaluate lightning performance of the tower and its components before implementing any proposed design. Therefore, in this work, a feasibility study was done on proposed 275 kV and 132 kV transmission tower with composite crossarm installed. In order to assess the insulation strength of the tower against the lightning activities, lightning caused events i.e. backflashover and shielding failure were applied onto the tower models by using FEM based software. The CFO of the tower insulation were calculated based on the design provided, whereby it was complementary verified by the voltage and electric field profiles of the simulation. For each case, none had shown a voltage magnitude higher than the voltage supposed to possibly cause 50% chance of flashover. © 2019 IEEE. 2020-02-03T03:28:27Z 2020-02-03T03:28:27Z 2019 Conference Paper 10.1109/APL.2019.8816041 en
institution Universiti Tenaga Nasional
building UNITEN Library
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country Malaysia
content_provider Universiti Tenaga Nasional
content_source UNITEN Institutional Repository
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language English
description Severe lightning overvoltage is regarded to the multiple flashovers on the overhead lines. Therefore, it signifies the needs of having a robust insulation system, especially to those which highly susceptible to lightning strikes. In order to minimize the impact of lightning, it is necessary to evaluate lightning performance of the tower and its components before implementing any proposed design. Therefore, in this work, a feasibility study was done on proposed 275 kV and 132 kV transmission tower with composite crossarm installed. In order to assess the insulation strength of the tower against the lightning activities, lightning caused events i.e. backflashover and shielding failure were applied onto the tower models by using FEM based software. The CFO of the tower insulation were calculated based on the design provided, whereby it was complementary verified by the voltage and electric field profiles of the simulation. For each case, none had shown a voltage magnitude higher than the voltage supposed to possibly cause 50% chance of flashover. © 2019 IEEE.
format Conference Paper
author Abd Rahman, M.S.
Ab Kadir, M.Z.A.
Ab-Rahman, M.S.
Osman, M.
Nor, S.F.M.
spellingShingle Abd Rahman, M.S.
Ab Kadir, M.Z.A.
Ab-Rahman, M.S.
Osman, M.
Nor, S.F.M.
Lightning impulse strength of 275 kV and 132 kV tower with composite crossarm
author_facet Abd Rahman, M.S.
Ab Kadir, M.Z.A.
Ab-Rahman, M.S.
Osman, M.
Nor, S.F.M.
author_sort Abd Rahman, M.S.
title Lightning impulse strength of 275 kV and 132 kV tower with composite crossarm
title_short Lightning impulse strength of 275 kV and 132 kV tower with composite crossarm
title_full Lightning impulse strength of 275 kV and 132 kV tower with composite crossarm
title_fullStr Lightning impulse strength of 275 kV and 132 kV tower with composite crossarm
title_full_unstemmed Lightning impulse strength of 275 kV and 132 kV tower with composite crossarm
title_sort lightning impulse strength of 275 kv and 132 kv tower with composite crossarm
publishDate 2020
_version_ 1672614198457139200