| Authors | Reza Shariatinasab |
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| Journal | Scientia Iranica |
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| Page number | 812-819 |
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| Serial number | 3 |
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| Volume number | 19 |
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| Paper Type | Full Paper |
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| Published At | 2012 |
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| Journal Grade | ISI |
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| Journal Type | Typographic |
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| Journal Country | Iran, Islamic Republic Of |
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| Journal Index | JCR،isc،Scopus |
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| Keywords | lightningperformance, Overhead transmission lines |
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Abstract
Thispaperrepresentsadevelopedprocedurefortheevaluationofflashoverratescausedby bothlightningverticalandnon-verticalstrokesontransmissionlines,usingaMonteCarlomethod.The maingoalofthispaperistoincreasetheaccuracyflashoverratesthroughtheaccuratemodellingof networkcomponents,suchasfootingimpedance,thetransmissiontowerandchainofinsulators,and alsosimulationoflightningnon-verticalstrokes.Modellingnetworkcomponents,statisticalparameters relatedtolightningandaproblem-solvingalgorithmaredescribed.Parametricstudiesusingthis procedurecanalsobeperformedtodeterminethesensitivityoftheflashoverratewithrespecttosome parametersofthereturnstrokeandthetransmissionline.SimulationresultsobtainedusingMATLABand theATP/EMTPshowthatconsideringthelightningnon-verticalinsteadofverticalstrokesleadstoabetter evaluationofthelightningperformanceoftransmissionlines
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