AC Loss Reduction in Filamentized YBCO Coated Conductors With Virtual Transverse Cross-Cuts
While the performance of YBa 2 Cu 3 O 7-x (YBCO)-based coated conductors under dc currents has improved significantly in recent years, filamentization is being investigated as a technique to reduce ac loss so that the 2nd generation (2G) high temperature superconducting (HTS) wires can also be utili...
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| Veröffentlicht in: | IEEE transactions on applied superconductivity 2011-06, Vol.21 (3), p.3301-3306 |
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| container_title | IEEE transactions on applied superconductivity |
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| creator | Yifei Zhang Duckworth, R C Ha, T T List, Frederick A Gouge, M J Yimin Chen Xuming Xiong Selvamanickam, V Polyanskii, A |
| description | While the performance of YBa 2 Cu 3 O 7-x (YBCO)-based coated conductors under dc currents has improved significantly in recent years, filamentization is being investigated as a technique to reduce ac loss so that the 2nd generation (2G) high temperature superconducting (HTS) wires can also be utilized in various ac power applications such as cables, transformers and fault current limiters. Experimental studies have shown that simply filamentizing the superconducting layer is not effective enough to reduce ac loss because of incomplete flux penetration in between the filaments as the length of the tape increases. To introduce flux penetration in between the filaments more uniformly and further reduce the ac loss, virtual transverse cross-cuts were made in superconducting filaments of the coated conductors fabricated using the metal organic chemical vapor deposition (MOCVD) method. The virtual transverse cross-cuts were formed by making cross-cuts (17 ~ 120 μm wide) on the IBAD (ion beam assisted deposition)-MgO templates using laser scribing followed by depositing the superconducting layer ( ~ 0.6 μm thick). AC losses were measured and compared for filamentized conductors with and without the cross-cuts under applied peak ac fields up to 100 mT. The results were analyzed to evaluate the efficacy of filament decoupling and the feasibility of using this method to achieve ac loss reduction. |
| doi_str_mv | 10.1109/TASC.2010.2087739 |
| format | Article |
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Experimental studies have shown that simply filamentizing the superconducting layer is not effective enough to reduce ac loss because of incomplete flux penetration in between the filaments as the length of the tape increases. To introduce flux penetration in between the filaments more uniformly and further reduce the ac loss, virtual transverse cross-cuts were made in superconducting filaments of the coated conductors fabricated using the metal organic chemical vapor deposition (MOCVD) method. The virtual transverse cross-cuts were formed by making cross-cuts (17 ~ 120 μm wide) on the IBAD (ion beam assisted deposition)-MgO templates using laser scribing followed by depositing the superconducting layer ( ~ 0.6 μm thick). AC losses were measured and compared for filamentized conductors with and without the cross-cuts under applied peak ac fields up to 100 mT. The results were analyzed to evaluate the efficacy of filament decoupling and the feasibility of using this method to achieve ac loss reduction.</description><identifier>ISSN: 1051-8223</identifier><identifier>EISSN: 1558-2515</identifier><identifier>DOI: 10.1109/TASC.2010.2087739</identifier><identifier>CODEN: ITASE9</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>AC loss ; Alternating current ; Applied sciences ; coated conductor ; COATINGS ; Conductors ; Connection and protection apparatus ; COPPER OXIDE ; DEPOSITION ; Electric connection. Cables. Wiring ; ELECTRICAL CONDUCTORS ; Electrical engineering. Electrical power engineering ; Electromagnets ; Exact sciences and technology ; filamentization ; Filaments ; Flux ; FLUXES ; Geometry ; Heating ; High temperature superconductors ; Loss measurement ; Magnetic hysteresis ; Organic chemicals ; PENETRATION ; REDUCTION ; Silver ; SUPERCONDUCTIVITY ; Transformers and inductors ; Various equipment and components ; YBCO ; YTTRIUM OXIDE</subject><ispartof>IEEE transactions on applied superconductivity, 2011-06, Vol.21 (3), p.3301-3306</ispartof><rights>2015 INIST-CNRS</rights><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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Experimental studies have shown that simply filamentizing the superconducting layer is not effective enough to reduce ac loss because of incomplete flux penetration in between the filaments as the length of the tape increases. To introduce flux penetration in between the filaments more uniformly and further reduce the ac loss, virtual transverse cross-cuts were made in superconducting filaments of the coated conductors fabricated using the metal organic chemical vapor deposition (MOCVD) method. The virtual transverse cross-cuts were formed by making cross-cuts (17 ~ 120 μm wide) on the IBAD (ion beam assisted deposition)-MgO templates using laser scribing followed by depositing the superconducting layer ( ~ 0.6 μm thick). AC losses were measured and compared for filamentized conductors with and without the cross-cuts under applied peak ac fields up to 100 mT. The results were analyzed to evaluate the efficacy of filament decoupling and the feasibility of using this method to achieve ac loss reduction.</description><subject>AC loss</subject><subject>Alternating current</subject><subject>Applied sciences</subject><subject>coated conductor</subject><subject>COATINGS</subject><subject>Conductors</subject><subject>Connection and protection apparatus</subject><subject>COPPER OXIDE</subject><subject>DEPOSITION</subject><subject>Electric connection. Cables. Wiring</subject><subject>ELECTRICAL CONDUCTORS</subject><subject>Electrical engineering. Electrical power engineering</subject><subject>Electromagnets</subject><subject>Exact sciences and technology</subject><subject>filamentization</subject><subject>Filaments</subject><subject>Flux</subject><subject>FLUXES</subject><subject>Geometry</subject><subject>Heating</subject><subject>High temperature superconductors</subject><subject>Loss measurement</subject><subject>Magnetic hysteresis</subject><subject>Organic chemicals</subject><subject>PENETRATION</subject><subject>REDUCTION</subject><subject>Silver</subject><subject>SUPERCONDUCTIVITY</subject><subject>Transformers and inductors</subject><subject>Various equipment and components</subject><subject>YBCO</subject><subject>YTTRIUM OXIDE</subject><issn>1051-8223</issn><issn>1558-2515</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpdkE1r3DAQhk1JoPnoDyi9iELoyYlGH5Z03IjmAxYC6bYh9CC02jFV8NqpZAfaXx-ZXXLISSPmmZeZp6o-Az0HoOZitfhhzxktX0a1Utx8qI5ASl0zCfKg1FRCrRnjH6vjnJ8oBaGFPKp-LyxZDjmTe9xMYYxDT2JPrmLnt9iP8T9uyOOlvSN28GOp7dDP2JAyeYjjH_IrpnHyHVkl3-cXTBmJTSWuttOYT6vD1ncZP-3fk-rn1feVvamXd9e3drGsA5dirNErs5YNMLGGTaAbqQJKaVjDmsAa06qWhVa0VDfUUK3XHFEE0B5AATKv-Un1bZf7nIa_E-bRbWMO2HW-x2HKTmsjJAXOCvn1Hfk0TKkvyzkDslGUKVMg2EFhviRh655T3Pr0zwF1s2w3y3azbLeXXWbO9sE-B9-1RUeI-W2QCaYaDrRwX3ZcRMS3tmy4ADD8FWvZhkQ</recordid><startdate>20110601</startdate><enddate>20110601</enddate><creator>Yifei Zhang</creator><creator>Duckworth, R C</creator><creator>Ha, T T</creator><creator>List, Frederick A</creator><creator>Gouge, M J</creator><creator>Yimin Chen</creator><creator>Xuming Xiong</creator><creator>Selvamanickam, V</creator><creator>Polyanskii, A</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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Cables. Wiring</topic><topic>ELECTRICAL CONDUCTORS</topic><topic>Electrical engineering. Electrical power engineering</topic><topic>Electromagnets</topic><topic>Exact sciences and technology</topic><topic>filamentization</topic><topic>Filaments</topic><topic>Flux</topic><topic>FLUXES</topic><topic>Geometry</topic><topic>Heating</topic><topic>High temperature superconductors</topic><topic>Loss measurement</topic><topic>Magnetic hysteresis</topic><topic>Organic chemicals</topic><topic>PENETRATION</topic><topic>REDUCTION</topic><topic>Silver</topic><topic>SUPERCONDUCTIVITY</topic><topic>Transformers and inductors</topic><topic>Various equipment and components</topic><topic>YBCO</topic><topic>YTTRIUM OXIDE</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yifei Zhang</creatorcontrib><creatorcontrib>Duckworth, R C</creatorcontrib><creatorcontrib>Ha, T T</creatorcontrib><creatorcontrib>List, Frederick A</creatorcontrib><creatorcontrib>Gouge, M J</creatorcontrib><creatorcontrib>Yimin Chen</creatorcontrib><creatorcontrib>Xuming Xiong</creatorcontrib><creatorcontrib>Selvamanickam, V</creatorcontrib><creatorcontrib>Polyanskii, A</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Ceramic Abstracts</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Copper Technical Reference Library</collection><collection>Materials Research Database</collection><jtitle>IEEE transactions on applied superconductivity</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Yifei Zhang</au><au>Duckworth, R C</au><au>Ha, T T</au><au>List, Frederick A</au><au>Gouge, M J</au><au>Yimin Chen</au><au>Xuming Xiong</au><au>Selvamanickam, V</au><au>Polyanskii, A</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>AC Loss Reduction in Filamentized YBCO Coated Conductors With Virtual Transverse Cross-Cuts</atitle><jtitle>IEEE transactions on applied superconductivity</jtitle><stitle>TASC</stitle><date>2011-06-01</date><risdate>2011</risdate><volume>21</volume><issue>3</issue><spage>3301</spage><epage>3306</epage><pages>3301-3306</pages><issn>1051-8223</issn><eissn>1558-2515</eissn><coden>ITASE9</coden><abstract>While the performance of YBa 2 Cu 3 O 7-x (YBCO)-based coated conductors under dc currents has improved significantly in recent years, filamentization is being investigated as a technique to reduce ac loss so that the 2nd generation (2G) high temperature superconducting (HTS) wires can also be utilized in various ac power applications such as cables, transformers and fault current limiters. Experimental studies have shown that simply filamentizing the superconducting layer is not effective enough to reduce ac loss because of incomplete flux penetration in between the filaments as the length of the tape increases. To introduce flux penetration in between the filaments more uniformly and further reduce the ac loss, virtual transverse cross-cuts were made in superconducting filaments of the coated conductors fabricated using the metal organic chemical vapor deposition (MOCVD) method. The virtual transverse cross-cuts were formed by making cross-cuts (17 ~ 120 μm wide) on the IBAD (ion beam assisted deposition)-MgO templates using laser scribing followed by depositing the superconducting layer ( ~ 0.6 μm thick). AC losses were measured and compared for filamentized conductors with and without the cross-cuts under applied peak ac fields up to 100 mT. The results were analyzed to evaluate the efficacy of filament decoupling and the feasibility of using this method to achieve ac loss reduction.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/TASC.2010.2087739</doi><tpages>6</tpages></addata></record> |
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| ispartof | IEEE transactions on applied superconductivity, 2011-06, Vol.21 (3), p.3301-3306 |
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| subjects | AC loss Alternating current Applied sciences coated conductor COATINGS Conductors Connection and protection apparatus COPPER OXIDE DEPOSITION Electric connection. Cables. Wiring ELECTRICAL CONDUCTORS Electrical engineering. Electrical power engineering Electromagnets Exact sciences and technology filamentization Filaments Flux FLUXES Geometry Heating High temperature superconductors Loss measurement Magnetic hysteresis Organic chemicals PENETRATION REDUCTION Silver SUPERCONDUCTIVITY Transformers and inductors Various equipment and components YBCO YTTRIUM OXIDE |
| title | AC Loss Reduction in Filamentized YBCO Coated Conductors With Virtual Transverse Cross-Cuts |
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