Effect of Tower Footing Resistance on Back Flash over across Insulator in a 132 Kv Transmission Line - American Journal of Applied Sciences and Engineering<\/title>\n<meta name=\"description\" content=\"This study conducts a thorough evaluation of the influence of tower footing resistance on the estimation of over voltages across the insulator caused by lightning strikes. The paper employed the Electric circuit simulator programme (ECSP) to examine the effect of footing resistance and lightning stroke on back flashover on the insulator of a 132 kV transmission line. The study assumes an insulator withstand voltage of 750 kV, lightning strikes of 10 kA, 20 kA, 30 kA, 40 kA, 50 kA, and 100 kA, and a footing resistance range of 5 \u2126 to 90 \u2126. The findings reveal that as the amplitude of the lightning stroke grows, so does the voltage across the insulator, while the tower footing resistance decreases. A good tower footing resistance only helps grounding at 50 Hz, and it is also critical to keep the tower footing resistance and inductance low to ground high frequency lightning surges. This highlights the importance of considering both lightning stroke characteristics and tower grounding conditions in the design and analysis of transmission line systems.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/airjournal.org\/ajase\/journal_article\/effect-of-tower-footing-resistance-on-back-flash-over-across-insulator-in-a-132-kv-transmission-line\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Effect of Tower Footing Resistance on Back Flash over across Insulator in a 132 Kv Transmission Line\" \/>\n<meta property=\"og:description\" content=\"This study conducts a thorough evaluation of the influence of tower footing resistance on the estimation of over voltages across the insulator caused by lightning strikes. The paper employed the Electric circuit simulator programme (ECSP) to examine the effect of footing resistance and lightning stroke on back flashover on the insulator of a 132 kV transmission line. The study assumes an insulator withstand voltage of 750 kV, lightning strikes of 10 kA, 20 kA, 30 kA, 40 kA, 50 kA, and 100 kA, and a footing resistance range of 5 \u2126 to 90 \u2126. The findings reveal that as the amplitude of the lightning stroke grows, so does the voltage across the insulator, while the tower footing resistance decreases. A good tower footing resistance only helps grounding at 50 Hz, and it is also critical to keep the tower footing resistance and inductance low to ground high frequency lightning surges. This highlights the importance of considering both lightning stroke characteristics and tower grounding conditions in the design and analysis of transmission line systems.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/airjournal.org\/ajase\/journal_article\/effect-of-tower-footing-resistance-on-back-flash-over-across-insulator-in-a-132-kv-transmission-line\/\" \/>\n<meta property=\"og:site_name\" content=\"American Journal of Applied Sciences and Engineering\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-14T04:09:05+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"ScholarlyArticle\",\"@id\":\"https:\/\/airjournal.org\/ajase\/journal_article\/effect-of-tower-footing-resistance-on-back-flash-over-across-insulator-in-a-132-kv-transmission-line\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/airjournal.org\/ajase\/journal_article\/effect-of-tower-footing-resistance-on-back-flash-over-across-insulator-in-a-132-kv-transmission-line\/\"},\"author\":{\"name\":\"airjournals\",\"@id\":\"https:\/\/airjournal.org\/ajase\/#\/schema\/person\/58e5ec6b9ef59dbd9e6c60c7286a1a74\"},\"headline\":\"Effect of Tower Footing Resistance on Back Flash over across Insulator in a 132 Kv Transmission Line\",\"datePublished\":\"2024-04-12T06:41:55+00:00\",\"dateModified\":\"2024-04-14T04:09:05+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/airjournal.org\/ajase\/journal_article\/effect-of-tower-footing-resistance-on-back-flash-over-across-insulator-in-a-132-kv-transmission-line\/\"},\"wordCount\":266,\"publisher\":{\"@id\":\"https:\/\/airjournal.org\/ajase\/#organization\"},\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/airjournal.org\/ajase\/journal_article\/effect-of-tower-footing-resistance-on-back-flash-over-across-insulator-in-a-132-kv-transmission-line\/\",\"url\":\"https:\/\/airjournal.org\/ajase\/journal_article\/effect-of-tower-footing-resistance-on-back-flash-over-across-insulator-in-a-132-kv-transmission-line\/\",\"name\":\"Effect of Tower Footing Resistance on Back Flash over across Insulator in a 132 Kv Transmission Line - American Journal of Applied Sciences and Engineering\",\"isPartOf\":{\"@id\":\"https:\/\/airjournal.org\/ajase\/#website\"},\"datePublished\":\"2024-04-12T06:41:55+00:00\",\"dateModified\":\"2024-04-14T04:09:05+00:00\",\"description\":\"This study conducts a thorough evaluation of the influence of tower footing resistance on the estimation of over voltages across the insulator caused by lightning strikes. The paper employed the Electric circuit simulator programme (ECSP) to examine the effect of footing resistance and lightning stroke on back flashover on the insulator of a 132 kV transmission line. The study assumes an insulator withstand voltage of 750 kV, lightning strikes of 10 kA, 20 kA, 30 kA, 40 kA, 50 kA, and 100 kA, and a footing resistance range of 5 \u2126 to 90 \u2126. The findings reveal that as the amplitude of the lightning stroke grows, so does the voltage across the insulator, while the tower footing resistance decreases. A good tower footing resistance only helps grounding at 50 Hz, and it is also critical to keep the tower footing resistance and inductance low to ground high frequency lightning surges. 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{"id":3445,"date":"2024-04-12T06:41:55","date_gmt":"2024-04-12T06:41:55","guid":{"rendered":"https:\/\/airjournal.org\/ajase\/?post_type=journal_article&p=3445"},"modified":"2024-04-14T04:09:05","modified_gmt":"2024-04-14T04:09:05","slug":"effect-of-tower-footing-resistance-on-back-flash-over-across-insulator-in-a-132-kv-transmission-line","status":"publish","type":"journal_article","link":"https:\/\/airjournal.org\/ajase\/journal_article\/effect-of-tower-footing-resistance-on-back-flash-over-across-insulator-in-a-132-kv-transmission-line\/","title":{"rendered":"Effect of Tower Footing Resistance on Back Flash over across Insulator in a 132 Kv Transmission Line"},"content":{"rendered":"\n

Ainah, P. K.^{1<\/sup> & Ugemuge, S.^{2<\/sup><\/strong>
^{1<\/sup>Department of Electrical and Electronic Engineering, Niger Delta University, Wilberforce Island, Amassoma, Bayelsa State, Nigeria<\/em>
^{2<\/sup>Department of Works and Physical Planning, Federal University Otuoke, Bayelsa State, Nigeria<\/em><\/p>\n\n\n\n}}}}

Abstract

This study conducts a thorough evaluation of the influence of tower footing resistance on the estimation of over voltages across the insulator caused by lightning strikes. The paper employed the Electric circuit simulator programme (ECSP) to examine the effect of footing resistance and lightning stroke on back flashover on the insulator of a 132 kV transmission line. The study assumes an insulator withstand voltage of 750 kV, lightning strikes of 10 kA, 20 kA, 30 kA, 40 kA, 50 kA, and 100 kA, and a footing resistance range of 5 \u03a9 to 90 \u03a9. The findings reveal that as the amplitude of the lightning stroke grows, so does the voltage across the insulator, while the tower footing resistance decreases. A good tower footing resistance only helps grounding at 50 Hz, and it is also critical to keep the tower footing resistance and inductance low to ground high frequency lightning surges. This highlights the importance of considering both lightning stroke characteristics and tower grounding conditions in the design and analysis of transmission line systems<\/em>.<\/em>

Keywords<\/em><\/strong>: Tower Footing Resistance; Back Flashover; Electric Circuit Simulator Programme (ECSP); Footing Resistance; Lightning Stroke<\/em>

Citation<\/em>:<\/strong> Ainah, P. K.<\/a> & Ugemuge, S. (2024). Effect of Tower Footing Resistance on Back Flash over across Insulator in a 132 Kv Transmission Line. American Journal of Applied Sciences and Engineering, 5(1) 10-17. <\/em>https:\/\/doi.org\/10.5281\/zenodo.10962815<\/em><\/a> <\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n