Application of tower grounding device equivalent model in the calculation of transmission line back-flashover
The modelling of tower grounding device is the key for calculation of lightning strike response and lightning withstand level. In order to solve this problem, this study proposes a method to calculate the lightning response of transmission line grounding device by combining the advantages of CDEGS a...
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| Veröffentlicht in: | Journal of engineering (Stevenage, England) England), 2019-03, Vol.2019 (16), p.1830-1835 |
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| container_title | Journal of engineering (Stevenage, England) |
| container_volume | 2019 |
| creator | Chen, Huaifei Cai, Hansheng Ni, Yang Jia, Lei Lu, Hailiang Liu, Gang Lan, Lei |
| description | The modelling of tower grounding device is the key for calculation of lightning strike response and lightning withstand level. In order to solve this problem, this study proposes a method to calculate the lightning response of transmission line grounding device by combining the advantages of CDEGS and EMTP software. Firstly, the authors calculate the frequency domain response of the tower grounding model in CDEGS; then the result is fitted according to modified vector fitting method to obtain the rational approximation expression of the impedance function. Furtherly, the corresponding equivalent circuits of tower grounding device is established in EMTP to realise accurate simulation of grounding device lightning strike response. The results show that the equivalent circuit model is more accurate than non-linear resistance model. Then, the factors that influence the lightning response and lightning withstand level are analysed based on the above method according to an actual transmission line model, which can provide reference for the lightning protection and grounding design. |
| doi_str_mv | 10.1049/joe.2018.8892 |
| format | Article |
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In order to solve this problem, this study proposes a method to calculate the lightning response of transmission line grounding device by combining the advantages of CDEGS and EMTP software. Firstly, the authors calculate the frequency domain response of the tower grounding model in CDEGS; then the result is fitted according to modified vector fitting method to obtain the rational approximation expression of the impedance function. Furtherly, the corresponding equivalent circuits of tower grounding device is established in EMTP to realise accurate simulation of grounding device lightning strike response. The results show that the equivalent circuit model is more accurate than non-linear resistance model. Then, the factors that influence the lightning response and lightning withstand level are analysed based on the above method according to an actual transmission line model, which can provide reference for the lightning protection and grounding design.</description><identifier>ISSN: 2051-3305</identifier><identifier>EISSN: 2051-3305</identifier><identifier>DOI: 10.1049/joe.2018.8892</identifier><language>eng</language><publisher>The Institution of Engineering and Technology</publisher><subject>actual transmission line model ; approximation theory ; CDEGS ; earthing ; EMTP ; EMTP software ; equivalent circuit model ; equivalent circuits ; flashover ; frequency domain response ; grounding design ; impedance function ; lightning protection ; lightning strike response calculation ; lightning withstand level calculation ; modified vector fitting method ; poles and towers ; power transmission lines ; power transmission protection ; rational approximation expression ; The 14th IET International Conference on AC and DC Power Transmission (ACDC 2018) ; tower grounding device equivalent model ; tower grounding model ; transmission line back-flashover calculation ; transmission line grounding device ; vectors</subject><ispartof>Journal of engineering (Stevenage, England), 2019-03, Vol.2019 (16), p.1830-1835</ispartof><rights>2021 The Institution of Engineering and Technology</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c3392-2caae21800803b61bc24c55ff535b0b8c0817cd8c4087f5d5426adc4388742183</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1049%2Fjoe.2018.8892$$EPDF$$P50$$Gwiley$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1049%2Fjoe.2018.8892$$EHTML$$P50$$Gwiley$$Hfree_for_read</linktohtml><link.rule.ids>314,776,780,860,1411,2095,11542,27903,27904,45553,45554,46031,46455</link.rule.ids></links><search><creatorcontrib>Chen, Huaifei</creatorcontrib><creatorcontrib>Cai, Hansheng</creatorcontrib><creatorcontrib>Ni, Yang</creatorcontrib><creatorcontrib>Jia, Lei</creatorcontrib><creatorcontrib>Lu, Hailiang</creatorcontrib><creatorcontrib>Liu, Gang</creatorcontrib><creatorcontrib>Lan, Lei</creatorcontrib><title>Application of tower grounding device equivalent model in the calculation of transmission line back-flashover</title><title>Journal of engineering (Stevenage, England)</title><description>The modelling of tower grounding device is the key for calculation of lightning strike response and lightning withstand level. In order to solve this problem, this study proposes a method to calculate the lightning response of transmission line grounding device by combining the advantages of CDEGS and EMTP software. Firstly, the authors calculate the frequency domain response of the tower grounding model in CDEGS; then the result is fitted according to modified vector fitting method to obtain the rational approximation expression of the impedance function. Furtherly, the corresponding equivalent circuits of tower grounding device is established in EMTP to realise accurate simulation of grounding device lightning strike response. The results show that the equivalent circuit model is more accurate than non-linear resistance model. Then, the factors that influence the lightning response and lightning withstand level are analysed based on the above method according to an actual transmission line model, which can provide reference for the lightning protection and grounding design.</description><subject>actual transmission line model</subject><subject>approximation theory</subject><subject>CDEGS</subject><subject>earthing</subject><subject>EMTP</subject><subject>EMTP software</subject><subject>equivalent circuit model</subject><subject>equivalent circuits</subject><subject>flashover</subject><subject>frequency domain response</subject><subject>grounding design</subject><subject>impedance function</subject><subject>lightning protection</subject><subject>lightning strike response calculation</subject><subject>lightning withstand level calculation</subject><subject>modified vector fitting method</subject><subject>poles and towers</subject><subject>power transmission lines</subject><subject>power transmission protection</subject><subject>rational approximation expression</subject><subject>The 14th IET International Conference on AC and DC Power Transmission (ACDC 2018)</subject><subject>tower grounding device equivalent model</subject><subject>tower grounding model</subject><subject>transmission line back-flashover calculation</subject><subject>transmission line grounding device</subject><subject>vectors</subject><issn>2051-3305</issn><issn>2051-3305</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>24P</sourceid><sourceid>WIN</sourceid><sourceid>DOA</sourceid><recordid>eNp9kD1PwzAQhiMEEggY2b0wMKScP9I6I6DyUSF1gdly7HNxceNip0X996QUAQNiOp_1vK9OT1GcURhQEPXlPOKAAZUDKWu2VxwxqGjJOVT7v96HxWnOcwCgXDAQ9KhYXC2XwRvd-diS6EgX3zGRWYqr1vp2RiyuvUGCbyu_1gHbjiyixUB8S7oXJEYHswo_6aTbvPA5b_fgWySNNq-lCzq_xDWmk-LA6ZDx9GseF8-346eb-_Jxevdwc_VYGs5rVjKjNTIqASTwZkgbw4SpKucqXjXQSAOSjoyVRoAcucpWgg21NYJLORJ9jh8XD7teG_VcLZNf6LRRUXv1-RHTTOnUeRNQOWi4HtUaGmEEs3Xd1JLXHCU6KQSKvqvcdZkUc07ovvsoqK161atXW_Vqq77nhzv-3Qfc_A-rp8mYXd8CFZ_B813QY9djq9T2itRkOv7FL63ruYs_uL-P-QDRkqHd</recordid><startdate>201903</startdate><enddate>201903</enddate><creator>Chen, Huaifei</creator><creator>Cai, Hansheng</creator><creator>Ni, Yang</creator><creator>Jia, Lei</creator><creator>Lu, Hailiang</creator><creator>Liu, Gang</creator><creator>Lan, Lei</creator><general>The Institution of Engineering and Technology</general><general>Wiley</general><scope>IDLOA</scope><scope>24P</scope><scope>WIN</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>DOA</scope></search><sort><creationdate>201903</creationdate><title>Application of tower grounding device equivalent model in the calculation of transmission line back-flashover</title><author>Chen, Huaifei ; Cai, Hansheng ; Ni, Yang ; Jia, Lei ; Lu, Hailiang ; Liu, Gang ; Lan, Lei</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3392-2caae21800803b61bc24c55ff535b0b8c0817cd8c4087f5d5426adc4388742183</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>actual transmission line model</topic><topic>approximation theory</topic><topic>CDEGS</topic><topic>earthing</topic><topic>EMTP</topic><topic>EMTP software</topic><topic>equivalent circuit model</topic><topic>equivalent circuits</topic><topic>flashover</topic><topic>frequency domain response</topic><topic>grounding design</topic><topic>impedance function</topic><topic>lightning protection</topic><topic>lightning strike response calculation</topic><topic>lightning withstand level calculation</topic><topic>modified vector fitting method</topic><topic>poles and towers</topic><topic>power transmission lines</topic><topic>power transmission protection</topic><topic>rational approximation expression</topic><topic>The 14th IET International Conference on AC and DC Power Transmission (ACDC 2018)</topic><topic>tower grounding device equivalent model</topic><topic>tower grounding model</topic><topic>transmission line back-flashover calculation</topic><topic>transmission line grounding device</topic><topic>vectors</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chen, Huaifei</creatorcontrib><creatorcontrib>Cai, Hansheng</creatorcontrib><creatorcontrib>Ni, Yang</creatorcontrib><creatorcontrib>Jia, Lei</creatorcontrib><creatorcontrib>Lu, Hailiang</creatorcontrib><creatorcontrib>Liu, Gang</creatorcontrib><creatorcontrib>Lan, Lei</creatorcontrib><collection>IET Digital Library (Open Access)</collection><collection>Wiley Online Library Open Access</collection><collection>Wiley Online Library Free Content</collection><collection>CrossRef</collection><collection>DOAJ Directory of Open Access Journals</collection><jtitle>Journal of engineering (Stevenage, England)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chen, Huaifei</au><au>Cai, Hansheng</au><au>Ni, Yang</au><au>Jia, Lei</au><au>Lu, Hailiang</au><au>Liu, Gang</au><au>Lan, Lei</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Application of tower grounding device equivalent model in the calculation of transmission line back-flashover</atitle><jtitle>Journal of engineering (Stevenage, England)</jtitle><date>2019-03</date><risdate>2019</risdate><volume>2019</volume><issue>16</issue><spage>1830</spage><epage>1835</epage><pages>1830-1835</pages><issn>2051-3305</issn><eissn>2051-3305</eissn><abstract>The modelling of tower grounding device is the key for calculation of lightning strike response and lightning withstand level. In order to solve this problem, this study proposes a method to calculate the lightning response of transmission line grounding device by combining the advantages of CDEGS and EMTP software. Firstly, the authors calculate the frequency domain response of the tower grounding model in CDEGS; then the result is fitted according to modified vector fitting method to obtain the rational approximation expression of the impedance function. Furtherly, the corresponding equivalent circuits of tower grounding device is established in EMTP to realise accurate simulation of grounding device lightning strike response. The results show that the equivalent circuit model is more accurate than non-linear resistance model. Then, the factors that influence the lightning response and lightning withstand level are analysed based on the above method according to an actual transmission line model, which can provide reference for the lightning protection and grounding design.</abstract><pub>The Institution of Engineering and Technology</pub><doi>10.1049/joe.2018.8892</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | actual transmission line model approximation theory CDEGS earthing EMTP EMTP software equivalent circuit model equivalent circuits flashover frequency domain response grounding design impedance function lightning protection lightning strike response calculation lightning withstand level calculation modified vector fitting method poles and towers power transmission lines power transmission protection rational approximation expression The 14th IET International Conference on AC and DC Power Transmission (ACDC 2018) tower grounding device equivalent model tower grounding model transmission line back-flashover calculation transmission line grounding device vectors |
| title | Application of tower grounding device equivalent model in the calculation of transmission line back-flashover |
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