Creepage discharge on pressboards in synthetic and natural ester transformer liquids under ac stress
This study reports experimental studies of creepage discharges on the pressboard (PB) surface in esters under ac divergent electric field. With the help of commercial partial discharges detector, wideband current measurement and high-speed image recorder, the differences of discharge patterns betwee...
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| Veröffentlicht in: | IET electric power applications 2013-03, Vol.7 (3), p.191-198 |
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| container_title | IET electric power applications |
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| creator | Yi, Xiao Wang, Zhongdong |
| description | This study reports experimental studies of creepage discharges on the pressboard (PB) surface in esters under ac divergent electric field. With the help of commercial partial discharges detector, wideband current measurement and high-speed image recorder, the differences of discharge patterns between open gap and on PB surface were studied in esters as well as in mineral oil. The results show that the presence of PB surface tends to promote discharges, especially negative discharges, and enables more discharges to occur at smaller phase angles. It is believed that the promotion effect of PB surface on discharges is caused by surface charges and bubble residences; because of more intense discharges and higher viscosity of esters, this effect is more significant in esters than in mineral oil. |
| doi_str_mv | 10.1049/iet-epa.2012.0303 |
| format | Article |
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With the help of commercial partial discharges detector, wideband current measurement and high-speed image recorder, the differences of discharge patterns between open gap and on PB surface were studied in esters as well as in mineral oil. The results show that the presence of PB surface tends to promote discharges, especially negative discharges, and enables more discharges to occur at smaller phase angles. It is believed that the promotion effect of PB surface on discharges is caused by surface charges and bubble residences; because of more intense discharges and higher viscosity of esters, this effect is more significant in esters than in mineral oil.</description><identifier>ISSN: 1751-8660</identifier><identifier>ISSN: 1751-8679</identifier><identifier>EISSN: 1751-8679</identifier><identifier>DOI: 10.1049/iet-epa.2012.0303</identifier><language>eng</language><publisher>London: The Institution of Engineering and Technology</publisher><subject>ac stress ; Applied sciences ; bubble residences ; commercial partial discharges detector ; creepage discharge ; discharge patterns ; divergent electric field ; Electric discharges ; Electrical engineering. Electrical power engineering ; ester viscosity ; Esters ; Exact sciences and technology ; high‐ speed image recorder ; Image detection ; Liquids ; Materials ; mineral oil ; Minerals ; natural ester transformer liquids ; oil‐insulated transformers ; partial discharges ; PB surface ; pressboard surface ; pressboards ; Promotion ; Recorders ; synthetic ester transformer liquids ; Testing. Reliability. Quality control ; transformer oil ; Transformers and inductors ; viscosity ; Wideband ; wideband current measurement</subject><ispartof>IET electric power applications, 2013-03, Vol.7 (3), p.191-198</ispartof><rights>The Institution of Engineering and Technology</rights><rights>2020 The Institution of Engineering and Technology</rights><rights>2014 INIST-CNRS</rights><rights>Copyright The Institution of Engineering & Technology Mar 2013</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c5020-ec23a1174ab2932611ffa7926996bba5377682dfade803b581ef13e26bcfa4883</citedby><cites>FETCH-LOGICAL-c5020-ec23a1174ab2932611ffa7926996bba5377682dfade803b581ef13e26bcfa4883</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%2Fiet-epa.2012.0303$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1049%2Fiet-epa.2012.0303$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,11562,27924,27925,45574,45575,46052,46476</link.rule.ids><linktorsrc>$$Uhttps://onlinelibrary.wiley.com/doi/abs/10.1049%2Fiet-epa.2012.0303$$EView_record_in_Wiley-Blackwell$$FView_record_in_$$GWiley-Blackwell</linktorsrc><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=27278484$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Yi, Xiao</creatorcontrib><creatorcontrib>Wang, Zhongdong</creatorcontrib><title>Creepage discharge on pressboards in synthetic and natural ester transformer liquids under ac stress</title><title>IET electric power applications</title><description>This study reports experimental studies of creepage discharges on the pressboard (PB) surface in esters under ac divergent electric field. With the help of commercial partial discharges detector, wideband current measurement and high-speed image recorder, the differences of discharge patterns between open gap and on PB surface were studied in esters as well as in mineral oil. The results show that the presence of PB surface tends to promote discharges, especially negative discharges, and enables more discharges to occur at smaller phase angles. It is believed that the promotion effect of PB surface on discharges is caused by surface charges and bubble residences; because of more intense discharges and higher viscosity of esters, this effect is more significant in esters than in mineral oil.</description><subject>ac stress</subject><subject>Applied sciences</subject><subject>bubble residences</subject><subject>commercial partial discharges detector</subject><subject>creepage discharge</subject><subject>discharge patterns</subject><subject>divergent electric field</subject><subject>Electric discharges</subject><subject>Electrical engineering. Electrical power engineering</subject><subject>ester viscosity</subject><subject>Esters</subject><subject>Exact sciences and technology</subject><subject>high‐ speed image recorder</subject><subject>Image detection</subject><subject>Liquids</subject><subject>Materials</subject><subject>mineral oil</subject><subject>Minerals</subject><subject>natural ester transformer liquids</subject><subject>oil‐insulated transformers</subject><subject>partial discharges</subject><subject>PB surface</subject><subject>pressboard surface</subject><subject>pressboards</subject><subject>Promotion</subject><subject>Recorders</subject><subject>synthetic ester transformer liquids</subject><subject>Testing. Reliability. Quality control</subject><subject>transformer oil</subject><subject>Transformers and inductors</subject><subject>viscosity</subject><subject>Wideband</subject><subject>wideband current measurement</subject><issn>1751-8660</issn><issn>1751-8679</issn><issn>1751-8679</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNqFkMFrFDEYxQdRsFb_AG8BEfQwa74kk2S81WWrhQV7qOfwTSaxKbOZaTKD7H9vhi1VRPSUF_i9l5dXVa-BboCK9kNwc-0m3DAKbEM55U-qM1AN1Fqq9umjlvR59SLnO0qbRgp5VvXb5IrvuyN9yPYWU1FjJFNyOXcjpj6TEEk-xvnWzcESjD2JOC8JB-Ly7BKZE8bsx3Qoegj3SyiWJfblhpbkeQ16WT3zOGT36uE8r75d7m62X-r9189X24t9bRvKaO0s4wigBHas5UwCeI-qZbJtZddhw5WSmvUee6cp7xoNzgN3THbWo9Can1fvTrlTGu-XUs8cyqfcMGB045INNMCF5oxDQd_8gd6NS4qlnQHRsha0ErRQcKJsGnNOzpsphQOmowFq1t1N2d2U_cy6u1l3L563D8mYLQ6-zGNDfjQyxZQWWhTu44n7EQZ3_H-w2e2v2adLSstUxVyfzCv2q_k_Sr3_C3-1uzG764vf3ph6z38CyFey6w</recordid><startdate>201303</startdate><enddate>201303</enddate><creator>Yi, Xiao</creator><creator>Wang, Zhongdong</creator><general>The Institution of Engineering and Technology</general><general>Institution of Engineering and Technology</general><general>The Institution of Engineering & Technology</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>L6V</scope><scope>M7S</scope><scope>P5Z</scope><scope>P62</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>S0W</scope><scope>7SP</scope><scope>7TB</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>KR7</scope><scope>L7M</scope></search><sort><creationdate>201303</creationdate><title>Creepage discharge on pressboards in synthetic and natural ester transformer liquids under ac stress</title><author>Yi, Xiao ; Wang, Zhongdong</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5020-ec23a1174ab2932611ffa7926996bba5377682dfade803b581ef13e26bcfa4883</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>ac stress</topic><topic>Applied sciences</topic><topic>bubble residences</topic><topic>commercial partial discharges detector</topic><topic>creepage discharge</topic><topic>discharge patterns</topic><topic>divergent electric field</topic><topic>Electric discharges</topic><topic>Electrical engineering. Electrical power engineering</topic><topic>ester viscosity</topic><topic>Esters</topic><topic>Exact sciences and technology</topic><topic>high‐ speed image recorder</topic><topic>Image detection</topic><topic>Liquids</topic><topic>Materials</topic><topic>mineral oil</topic><topic>Minerals</topic><topic>natural ester transformer liquids</topic><topic>oil‐insulated transformers</topic><topic>partial discharges</topic><topic>PB surface</topic><topic>pressboard surface</topic><topic>pressboards</topic><topic>Promotion</topic><topic>Recorders</topic><topic>synthetic ester transformer liquids</topic><topic>Testing. Reliability. Quality control</topic><topic>transformer oil</topic><topic>Transformers and inductors</topic><topic>viscosity</topic><topic>Wideband</topic><topic>wideband current measurement</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yi, Xiao</creatorcontrib><creatorcontrib>Wang, Zhongdong</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central UK/Ireland</collection><collection>Advanced Technologies & Aerospace Collection</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Advanced Technologies & Aerospace Database</collection><collection>ProQuest Advanced Technologies & Aerospace Collection</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><collection>DELNET Engineering & Technology Collection</collection><collection>Electronics & Communications Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>IET electric power applications</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Yi, Xiao</au><au>Wang, Zhongdong</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Creepage discharge on pressboards in synthetic and natural ester transformer liquids under ac stress</atitle><jtitle>IET electric power applications</jtitle><date>2013-03</date><risdate>2013</risdate><volume>7</volume><issue>3</issue><spage>191</spage><epage>198</epage><pages>191-198</pages><issn>1751-8660</issn><issn>1751-8679</issn><eissn>1751-8679</eissn><abstract>This study reports experimental studies of creepage discharges on the pressboard (PB) surface in esters under ac divergent electric field. With the help of commercial partial discharges detector, wideband current measurement and high-speed image recorder, the differences of discharge patterns between open gap and on PB surface were studied in esters as well as in mineral oil. The results show that the presence of PB surface tends to promote discharges, especially negative discharges, and enables more discharges to occur at smaller phase angles. It is believed that the promotion effect of PB surface on discharges is caused by surface charges and bubble residences; because of more intense discharges and higher viscosity of esters, this effect is more significant in esters than in mineral oil.</abstract><cop>London</cop><pub>The Institution of Engineering and Technology</pub><doi>10.1049/iet-epa.2012.0303</doi><tpages>8</tpages><oa>free_for_read</oa></addata></record> |
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| source | Wiley Online Library (Open Access Collection) |
| subjects | ac stress Applied sciences bubble residences commercial partial discharges detector creepage discharge discharge patterns divergent electric field Electric discharges Electrical engineering. Electrical power engineering ester viscosity Esters Exact sciences and technology high‐ speed image recorder Image detection Liquids Materials mineral oil Minerals natural ester transformer liquids oil‐insulated transformers partial discharges PB surface pressboard surface pressboards Promotion Recorders synthetic ester transformer liquids Testing. Reliability. Quality control transformer oil Transformers and inductors viscosity Wideband wideband current measurement |
| title | Creepage discharge on pressboards in synthetic and natural ester transformer liquids under ac stress |
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