Estimation of switching surge flashover rate of 1200-kV UHVAC transmission line considering switching overvoltage waveshape
The insulation of the power transmission system experiences stresses due to power–frequency voltage under normal operating conditions, temporary overvoltages at or near power–frequency and transient overvoltages arising either from switching operations and faults or from lightning discharges. Howeve...
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| Veröffentlicht in: | Electrical engineering 2020-06, Vol.102 (2), p.953-966 |
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| creator | Annadi, Ramchandra Reddy Patsa, Chandra Sekhar |
| description | The insulation of the power transmission system experiences stresses due to power–frequency voltage under normal operating conditions, temporary overvoltages at or near power–frequency and transient overvoltages arising either from switching operations and faults or from lightning discharges. However, in the insulation design of extra-high-voltage and ultra-high-voltage systems, transient overvoltages arising from switching operations and faults become the controlling factor. Insulation failure probability under switching overvoltages is the main impressive concern in the estimation of switching surge flashover rate. In this paper, a practical method is used to estimate the switching surge flashover rate of insulation under switching overvoltages generated during energization, re-energization, fault initiation and fault clearing of an unloaded transmission line, which considers the variable characteristics of the insulation strength of the transmission line according to the switching overvoltage waveshape. The results focus on the comparison between traditional and practical methods which considers the effect of the front time on the first 1200-kV UHVAC transmission line in India. |
| doi_str_mv | 10.1007/s00202-020-00918-7 |
| format | Article |
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However, in the insulation design of extra-high-voltage and ultra-high-voltage systems, transient overvoltages arising from switching operations and faults become the controlling factor. Insulation failure probability under switching overvoltages is the main impressive concern in the estimation of switching surge flashover rate. In this paper, a practical method is used to estimate the switching surge flashover rate of insulation under switching overvoltages generated during energization, re-energization, fault initiation and fault clearing of an unloaded transmission line, which considers the variable characteristics of the insulation strength of the transmission line according to the switching overvoltage waveshape. The results focus on the comparison between traditional and practical methods which considers the effect of the front time on the first 1200-kV UHVAC transmission line in India.</description><identifier>ISSN: 0948-7921</identifier><identifier>EISSN: 1432-0487</identifier><identifier>DOI: 10.1007/s00202-020-00918-7</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Activation ; Economics and Management ; Electrical Engineering ; Electrical Machines and Networks ; Energy Policy ; Engineering ; Flashover ; High voltages ; Insulation ; Original Research ; Overvoltage ; Power Electronics ; Switching ; Transmission lines</subject><ispartof>Electrical engineering, 2020-06, Vol.102 (2), p.953-966</ispartof><rights>Springer-Verlag GmbH Germany, part of Springer Nature 2020</rights><rights>Springer-Verlag GmbH Germany, part of Springer Nature 2020.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c270t-8b24c0c31c385ac245907a10e7e682f61bae200f3f9c85d87f41ad101133e1123</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00202-020-00918-7$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00202-020-00918-7$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,777,781,27905,27906,41469,42538,51300</link.rule.ids></links><search><creatorcontrib>Annadi, Ramchandra Reddy</creatorcontrib><creatorcontrib>Patsa, Chandra Sekhar</creatorcontrib><title>Estimation of switching surge flashover rate of 1200-kV UHVAC transmission line considering switching overvoltage waveshape</title><title>Electrical engineering</title><addtitle>Electr Eng</addtitle><description>The insulation of the power transmission system experiences stresses due to power–frequency voltage under normal operating conditions, temporary overvoltages at or near power–frequency and transient overvoltages arising either from switching operations and faults or from lightning discharges. However, in the insulation design of extra-high-voltage and ultra-high-voltage systems, transient overvoltages arising from switching operations and faults become the controlling factor. Insulation failure probability under switching overvoltages is the main impressive concern in the estimation of switching surge flashover rate. In this paper, a practical method is used to estimate the switching surge flashover rate of insulation under switching overvoltages generated during energization, re-energization, fault initiation and fault clearing of an unloaded transmission line, which considers the variable characteristics of the insulation strength of the transmission line according to the switching overvoltage waveshape. The results focus on the comparison between traditional and practical methods which considers the effect of the front time on the first 1200-kV UHVAC transmission line in India.</description><subject>Activation</subject><subject>Economics and Management</subject><subject>Electrical Engineering</subject><subject>Electrical Machines and Networks</subject><subject>Energy Policy</subject><subject>Engineering</subject><subject>Flashover</subject><subject>High voltages</subject><subject>Insulation</subject><subject>Original Research</subject><subject>Overvoltage</subject><subject>Power Electronics</subject><subject>Switching</subject><subject>Transmission lines</subject><issn>0948-7921</issn><issn>1432-0487</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9kE9PwzAMxSMEEmPwBThF4lxw_nRpj9M0GNIkLmzXKMuSraNrS9wNIb486YrgxsWWrPd-th8htwzuGYB6QAAOPIklAchZlqgzMmBSxJHM1DkZQC7jMOfsklwh7gBApLkckK8ptsXetEVd0dpT_Chauy2qDcVD2DjqS4Pb-ugCDaZ1nYJxgORtSRez5XhC22Aq3BeInb8sKkdtXWGxduHE-KV1iGNdtiYyP8zR4dY07ppceFOiu_npQ7J4nL5OZsn85el5Mp4nlitok2zFpQUrmBVZaiyXaQ7KMHDKjTLuR2xlXDzKC5_bLF1nyktm1gwYE8IxxsWQ3PXcJtTvB4et3tWHUMWVmktIBRcqH0UV71U21IjBed2EmEz41Ax0F7LuQ9ax6FPIWkWT6E3YdB-78If-x_UNW2yABQ</recordid><startdate>20200601</startdate><enddate>20200601</enddate><creator>Annadi, Ramchandra Reddy</creator><creator>Patsa, Chandra Sekhar</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20200601</creationdate><title>Estimation of switching surge flashover rate of 1200-kV UHVAC transmission line considering switching overvoltage waveshape</title><author>Annadi, Ramchandra Reddy ; Patsa, Chandra Sekhar</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c270t-8b24c0c31c385ac245907a10e7e682f61bae200f3f9c85d87f41ad101133e1123</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Activation</topic><topic>Economics and Management</topic><topic>Electrical Engineering</topic><topic>Electrical Machines and Networks</topic><topic>Energy Policy</topic><topic>Engineering</topic><topic>Flashover</topic><topic>High voltages</topic><topic>Insulation</topic><topic>Original Research</topic><topic>Overvoltage</topic><topic>Power Electronics</topic><topic>Switching</topic><topic>Transmission lines</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Annadi, Ramchandra Reddy</creatorcontrib><creatorcontrib>Patsa, Chandra Sekhar</creatorcontrib><collection>CrossRef</collection><jtitle>Electrical engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Annadi, Ramchandra Reddy</au><au>Patsa, Chandra Sekhar</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Estimation of switching surge flashover rate of 1200-kV UHVAC transmission line considering switching overvoltage waveshape</atitle><jtitle>Electrical engineering</jtitle><stitle>Electr Eng</stitle><date>2020-06-01</date><risdate>2020</risdate><volume>102</volume><issue>2</issue><spage>953</spage><epage>966</epage><pages>953-966</pages><issn>0948-7921</issn><eissn>1432-0487</eissn><abstract>The insulation of the power transmission system experiences stresses due to power–frequency voltage under normal operating conditions, temporary overvoltages at or near power–frequency and transient overvoltages arising either from switching operations and faults or from lightning discharges. However, in the insulation design of extra-high-voltage and ultra-high-voltage systems, transient overvoltages arising from switching operations and faults become the controlling factor. Insulation failure probability under switching overvoltages is the main impressive concern in the estimation of switching surge flashover rate. In this paper, a practical method is used to estimate the switching surge flashover rate of insulation under switching overvoltages generated during energization, re-energization, fault initiation and fault clearing of an unloaded transmission line, which considers the variable characteristics of the insulation strength of the transmission line according to the switching overvoltage waveshape. 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| subjects | Activation Economics and Management Electrical Engineering Electrical Machines and Networks Energy Policy Engineering Flashover High voltages Insulation Original Research Overvoltage Power Electronics Switching Transmission lines |
| title | Estimation of switching surge flashover rate of 1200-kV UHVAC transmission line considering switching overvoltage waveshape |
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