Shunt-assisted simultaneous quenches in series-connected resistive SFCL components
We investigated shunt-assisted quenches in resistive superconducting fault current limiter (SFCL) components based on YBCO thin films when they are connected in series. Slight differences in Ic between the components induces significant power imbalance, which causes uneven quenches between the compo...
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| Veröffentlicht in: | IEEE transactions on applied superconductivity 2003-06, Vol.13 (2), p.2060-2063 |
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| container_title | IEEE transactions on applied superconductivity |
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| creator | HYUN, Ok-Bae CHA, Sang-Do KIM, Hye-Rim CHOI, Hyo-Sang HWANG, Si-Dol |
| description | We investigated shunt-assisted quenches in resistive superconducting fault current limiter (SFCL) components based on YBCO thin films when they are connected in series. Slight differences in Ic between the components induces significant power imbalance, which causes uneven quenches between the components. The extremely fast superconductor-normal transition causes the uneven quenches. Therefore, an appropriate quench delay is needed for synchronized switching of all components. In addition to the currently practised ways, an alternative way was demonstrated for simultaneous activation of components (or units) connected in series, the shunt-assisted quench. The shunts of equal resistance across individual components are to increase the current over Ic to each of the superconducting components. This design successfully produced simultaneous quenches, resulting in equal voltages over all components, while the YBCO films were protected from excessive heating. The shunts are found to be somewhat insensitive to differences in Ic. This design provides a wide selection of shunt resistance and film uniformity, allowing practicality, particularly in engineering application. |
| doi_str_mv | 10.1109/TASC.2003.812986 |
| format | Article |
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Slight differences in Ic between the components induces significant power imbalance, which causes uneven quenches between the components. The extremely fast superconductor-normal transition causes the uneven quenches. Therefore, an appropriate quench delay is needed for synchronized switching of all components. In addition to the currently practised ways, an alternative way was demonstrated for simultaneous activation of components (or units) connected in series, the shunt-assisted quench. The shunts of equal resistance across individual components are to increase the current over Ic to each of the superconducting components. This design successfully produced simultaneous quenches, resulting in equal voltages over all components, while the YBCO films were protected from excessive heating. The shunts are found to be somewhat insensitive to differences in Ic. This design provides a wide selection of shunt resistance and film uniformity, allowing practicality, particularly in engineering application.</description><identifier>ISSN: 1051-8223</identifier><identifier>EISSN: 1558-2515</identifier><identifier>DOI: 10.1109/TASC.2003.812986</identifier><identifier>CODEN: ITASE9</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Application specific integrated circuits ; Bypasses ; Cold working, work hardening; annealing, quenching, tempering, recovery, and recrystallization; textures ; COPPER OXIDE ; Cross-disciplinary physics: materials science; rheology ; Delay ; ELECTRICAL CONDUCTIVITY ; Exact sciences and technology ; Fault current limiters ; Heating ; Materials science ; Physics ; Protection ; QUENCHING MECHANISMS ; SHUNTS ; Superconducting films ; Superconducting integrated circuits ; Superconducting thin films ; SUPERCONDUCTIVITY ; SUPERCONDUCTORS ; THIN FILMS ; Treatment of materials and its effects on microstructure and properties ; Variability ; VOLTAGE ; YBCO superconductors ; Yttrium barium copper oxide ; YTTRIUM OXIDE</subject><ispartof>IEEE transactions on applied superconductivity, 2003-06, Vol.13 (2), p.2060-2063</ispartof><rights>2003 INIST-CNRS</rights><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2003</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c381t-3b979791dc636b43d58d72855ff34e36b2074e91451d46489aaf4162c156b0153</citedby><cites>FETCH-LOGICAL-c381t-3b979791dc636b43d58d72855ff34e36b2074e91451d46489aaf4162c156b0153</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/1212022$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>309,310,314,780,784,789,790,796,23929,23930,25139,27923,27924,54757</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/1212022$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=15072093$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>HYUN, Ok-Bae</creatorcontrib><creatorcontrib>CHA, Sang-Do</creatorcontrib><creatorcontrib>KIM, Hye-Rim</creatorcontrib><creatorcontrib>CHOI, Hyo-Sang</creatorcontrib><creatorcontrib>HWANG, Si-Dol</creatorcontrib><title>Shunt-assisted simultaneous quenches in series-connected resistive SFCL components</title><title>IEEE transactions on applied superconductivity</title><addtitle>TASC</addtitle><description>We investigated shunt-assisted quenches in resistive superconducting fault current limiter (SFCL) components based on YBCO thin films when they are connected in series. Slight differences in Ic between the components induces significant power imbalance, which causes uneven quenches between the components. The extremely fast superconductor-normal transition causes the uneven quenches. Therefore, an appropriate quench delay is needed for synchronized switching of all components. In addition to the currently practised ways, an alternative way was demonstrated for simultaneous activation of components (or units) connected in series, the shunt-assisted quench. The shunts of equal resistance across individual components are to increase the current over Ic to each of the superconducting components. This design successfully produced simultaneous quenches, resulting in equal voltages over all components, while the YBCO films were protected from excessive heating. The shunts are found to be somewhat insensitive to differences in Ic. This design provides a wide selection of shunt resistance and film uniformity, allowing practicality, particularly in engineering application.</description><subject>Application specific integrated circuits</subject><subject>Bypasses</subject><subject>Cold working, work hardening; annealing, quenching, tempering, recovery, and recrystallization; textures</subject><subject>COPPER OXIDE</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Delay</subject><subject>ELECTRICAL CONDUCTIVITY</subject><subject>Exact sciences and technology</subject><subject>Fault current limiters</subject><subject>Heating</subject><subject>Materials science</subject><subject>Physics</subject><subject>Protection</subject><subject>QUENCHING MECHANISMS</subject><subject>SHUNTS</subject><subject>Superconducting films</subject><subject>Superconducting integrated circuits</subject><subject>Superconducting thin films</subject><subject>SUPERCONDUCTIVITY</subject><subject>SUPERCONDUCTORS</subject><subject>THIN FILMS</subject><subject>Treatment of materials and its effects on microstructure and properties</subject><subject>Variability</subject><subject>VOLTAGE</subject><subject>YBCO superconductors</subject><subject>Yttrium barium copper oxide</subject><subject>YTTRIUM OXIDE</subject><issn>1051-8223</issn><issn>1558-2515</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNp9kU1r3DAURU1oIGnSfaEbU2i78lRPX5aWYWiawEChk66FRn4mCh55qmcX8u8r40Cgi6KFhHTu5YlTVe-BbQCY_fpws99uOGNiY4Bbo8-qS1DKNFyBelPOTEFjOBcX1VuiJ8ZAGqkuq5_7xzlNjSeKNGFXUzzOw-QTjjPVv2dM4RGpjqkmzBGpCWNKGBYy4xKJf7De3253dRiPpzFhmui6Ou_9QPjuZb-qft1-e9jeNbsf3--3N7smCANTIw62LQu6oIU-SNEp07XcKNX3QmK54qyVaEEq6KSWxnrfS9A8gNIHBkpcVV_W3lMey6Q0uWOkgMOwTu8sg5ZZaXQhP_-X5EaD0UwW8OM_4NM451R-4Szn3IDgokBshUIeiTL27pTj0ednB8wtLtziwi0u3OqiRD699HoKfuizTyHSa06xljO7VH9YuYiIr88cOCvq_gKTypCx</recordid><startdate>20030601</startdate><enddate>20030601</enddate><creator>HYUN, Ok-Bae</creator><creator>CHA, Sang-Do</creator><creator>KIM, Hye-Rim</creator><creator>CHOI, Hyo-Sang</creator><creator>HWANG, Si-Dol</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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Slight differences in Ic between the components induces significant power imbalance, which causes uneven quenches between the components. The extremely fast superconductor-normal transition causes the uneven quenches. Therefore, an appropriate quench delay is needed for synchronized switching of all components. In addition to the currently practised ways, an alternative way was demonstrated for simultaneous activation of components (or units) connected in series, the shunt-assisted quench. The shunts of equal resistance across individual components are to increase the current over Ic to each of the superconducting components. This design successfully produced simultaneous quenches, resulting in equal voltages over all components, while the YBCO films were protected from excessive heating. The shunts are found to be somewhat insensitive to differences in Ic. This design provides a wide selection of shunt resistance and film uniformity, allowing practicality, particularly in engineering application.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/TASC.2003.812986</doi><tpages>4</tpages></addata></record> |
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| subjects | Application specific integrated circuits Bypasses Cold working, work hardening annealing, quenching, tempering, recovery, and recrystallization textures COPPER OXIDE Cross-disciplinary physics: materials science rheology Delay ELECTRICAL CONDUCTIVITY Exact sciences and technology Fault current limiters Heating Materials science Physics Protection QUENCHING MECHANISMS SHUNTS Superconducting films Superconducting integrated circuits Superconducting thin films SUPERCONDUCTIVITY SUPERCONDUCTORS THIN FILMS Treatment of materials and its effects on microstructure and properties Variability VOLTAGE YBCO superconductors Yttrium barium copper oxide YTTRIUM OXIDE |
| title | Shunt-assisted simultaneous quenches in series-connected resistive SFCL components |
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