Measurements of AC Losses and Current Distribution in Superconducting Cables
This paper presents our new experimental facility and techniques to measure ac loss and current distribution between the layers for High Temperature Superconducting (HTS) cables. The facility is powered with a 45 kVA three-phase power supply which can provide three-phase currents up to 5 kA per phas...
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| Veröffentlicht in: | IEEE transactions on applied superconductivity 2011-06, Vol.21 (3), p.996-1000 |
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| container_title | IEEE transactions on applied superconductivity |
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| creator | Nguyen, D A Ashworth, S P Duckworth, R Carter, W Fleshler, S |
| description | This paper presents our new experimental facility and techniques to measure ac loss and current distribution between the layers for High Temperature Superconducting (HTS) cables. The facility is powered with a 45 kVA three-phase power supply which can provide three-phase currents up to 5 kA per phase via high current transformers. The system is suitable for measurements at any frequency between 20 and 500 Hz to better understand the ac loss mechanisms in HTS cables. In this paper, we will report techniques and results for ac loss measurements carried out on several HTS cables with and without an HTS shielding layer. For cables without a shielding layer, care must be taken to control the effect of the magnetic fields from return currents on loss measurements. The waveform of the axial magnetic field was also measured by a small pick-up coil placed inside a two-layer cable. The temporal current distribution between the layers can be calculated from the waveform of the axial field. |
| doi_str_mv | 10.1109/TASC.2010.2089415 |
| format | Article |
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(ORNL), Oak Ridge, TN (United States)</creatorcontrib><description>This paper presents our new experimental facility and techniques to measure ac loss and current distribution between the layers for High Temperature Superconducting (HTS) cables. The facility is powered with a 45 kVA three-phase power supply which can provide three-phase currents up to 5 kA per phase via high current transformers. The system is suitable for measurements at any frequency between 20 and 500 Hz to better understand the ac loss mechanisms in HTS cables. In this paper, we will report techniques and results for ac loss measurements carried out on several HTS cables with and without an HTS shielding layer. For cables without a shielding layer, care must be taken to control the effect of the magnetic fields from return currents on loss measurements. The waveform of the axial magnetic field was also measured by a small pick-up coil placed inside a two-layer cable. The temporal current distribution between the layers can be calculated from the waveform of the axial field.</description><identifier>ISSN: 1051-8223</identifier><identifier>EISSN: 1558-2515</identifier><identifier>DOI: 10.1109/TASC.2010.2089415</identifier><identifier>CODEN: ITASE9</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>AC loss measurement ; AC LOSSES ; Applied sciences ; AVAILABILITY ; axial magnetic field ; CABLES ; current distribution ; Current measurement ; DISTRIBUTION ; Electric connection. Cables. Wiring ; Electrical engineering. Electrical power engineering ; Electromagnets ; Electronic equipment and fabrication. Passive components, printed wiring boards, connectics ; Electronics ; Exact sciences and technology ; High temperature superconductors ; Loss measurement ; MAGNETIC FIELDS ; Mechanical cables ; Power electronics, power supplies ; POWER TRANSMISSION AND DISTRIBUTION ; SHIELDING ; superconducting cable ; SUPERCONDUCTING CABLES ; Superconducting magnets ; Superconductivity ; TRANSFORMERS ; Various equipment and components ; Voltage measurement ; WAVE FORMS</subject><ispartof>IEEE transactions on applied superconductivity, 2011-06, Vol.21 (3), p.996-1000</ispartof><rights>2015 INIST-CNRS</rights><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) Jun 2011</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c349t-24ef2bba9c6447d0d8a46dba7261b6ecea0447fb3b15b2e13027bbdc863f2b7b3</citedby><cites>FETCH-LOGICAL-c349t-24ef2bba9c6447d0d8a46dba7261b6ecea0447fb3b15b2e13027bbdc863f2b7b3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/5635359$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>230,309,310,314,776,780,785,786,792,881,23910,23911,25119,27903,27904,54736</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/5635359$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=24274308$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.osti.gov/biblio/1036584$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Nguyen, D A</creatorcontrib><creatorcontrib>Ashworth, S P</creatorcontrib><creatorcontrib>Duckworth, R</creatorcontrib><creatorcontrib>Carter, W</creatorcontrib><creatorcontrib>Fleshler, S</creatorcontrib><creatorcontrib>Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)</creatorcontrib><title>Measurements of AC Losses and Current Distribution in Superconducting Cables</title><title>IEEE transactions on applied superconductivity</title><addtitle>TASC</addtitle><description>This paper presents our new experimental facility and techniques to measure ac loss and current distribution between the layers for High Temperature Superconducting (HTS) cables. The facility is powered with a 45 kVA three-phase power supply which can provide three-phase currents up to 5 kA per phase via high current transformers. The system is suitable for measurements at any frequency between 20 and 500 Hz to better understand the ac loss mechanisms in HTS cables. In this paper, we will report techniques and results for ac loss measurements carried out on several HTS cables with and without an HTS shielding layer. For cables without a shielding layer, care must be taken to control the effect of the magnetic fields from return currents on loss measurements. The waveform of the axial magnetic field was also measured by a small pick-up coil placed inside a two-layer cable. The temporal current distribution between the layers can be calculated from the waveform of the axial field.</description><subject>AC loss measurement</subject><subject>AC LOSSES</subject><subject>Applied sciences</subject><subject>AVAILABILITY</subject><subject>axial magnetic field</subject><subject>CABLES</subject><subject>current distribution</subject><subject>Current measurement</subject><subject>DISTRIBUTION</subject><subject>Electric connection. Cables. Wiring</subject><subject>Electrical engineering. Electrical power engineering</subject><subject>Electromagnets</subject><subject>Electronic equipment and fabrication. Passive components, printed wiring boards, connectics</subject><subject>Electronics</subject><subject>Exact sciences and technology</subject><subject>High temperature superconductors</subject><subject>Loss measurement</subject><subject>MAGNETIC FIELDS</subject><subject>Mechanical cables</subject><subject>Power electronics, power supplies</subject><subject>POWER TRANSMISSION AND DISTRIBUTION</subject><subject>SHIELDING</subject><subject>superconducting cable</subject><subject>SUPERCONDUCTING CABLES</subject><subject>Superconducting magnets</subject><subject>Superconductivity</subject><subject>TRANSFORMERS</subject><subject>Various equipment and components</subject><subject>Voltage measurement</subject><subject>WAVE FORMS</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>eNpFkMtOwzAQRSMEElD4AMTGQmIZ8DvOsgpPqYhFy9qynQkYFafYzoK_x1UrWI1n5tyr8a2qC4JvCMHt7Wq-7G4oLi3FquVEHFQnRAhVU0HEYXljQWpFKTuuTlP6xJhwxcVJtXgBk6YIXxByQuOA5h1ajClBQib0qJtiLBt051OO3k7ZjwH5gJbTBqIbQz-57MM76oxdQzqrjgazTnC-r7Pq7eF-1T3Vi9fH526-qB3jba4ph4Faa1onOW963CvDZW9NQyWxEhwYXOaDZZYIS4EwTBtre6ckK7rGsll1tfMdU_Y6OZ_BfZRrArisCWZSKP4PbeL4PUHK-nOcYih36ZYIqZikskBkB7lYPh1h0Jvov0z8KTZ6G6zeBqu3wep9sEVzvTc2yZn1EE1wPv0JKacNZ1gV7nLHeQD4WwvJBBMt-wWw_oDZ</recordid><startdate>20110601</startdate><enddate>20110601</enddate><creator>Nguyen, D A</creator><creator>Ashworth, S P</creator><creator>Duckworth, R</creator><creator>Carter, W</creator><creator>Fleshler, S</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope><scope>OTOTI</scope></search><sort><creationdate>20110601</creationdate><title>Measurements of AC Losses and Current Distribution in Superconducting Cables</title><author>Nguyen, D A ; Ashworth, S P ; Duckworth, R ; Carter, W ; Fleshler, S</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c349t-24ef2bba9c6447d0d8a46dba7261b6ecea0447fb3b15b2e13027bbdc863f2b7b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>AC loss measurement</topic><topic>AC LOSSES</topic><topic>Applied sciences</topic><topic>AVAILABILITY</topic><topic>axial magnetic field</topic><topic>CABLES</topic><topic>current distribution</topic><topic>Current measurement</topic><topic>DISTRIBUTION</topic><topic>Electric connection. Cables. Wiring</topic><topic>Electrical engineering. Electrical power engineering</topic><topic>Electromagnets</topic><topic>Electronic equipment and fabrication. Passive components, printed wiring boards, connectics</topic><topic>Electronics</topic><topic>Exact sciences and technology</topic><topic>High temperature superconductors</topic><topic>Loss measurement</topic><topic>MAGNETIC FIELDS</topic><topic>Mechanical cables</topic><topic>Power electronics, power supplies</topic><topic>POWER TRANSMISSION AND DISTRIBUTION</topic><topic>SHIELDING</topic><topic>superconducting cable</topic><topic>SUPERCONDUCTING CABLES</topic><topic>Superconducting magnets</topic><topic>Superconductivity</topic><topic>TRANSFORMERS</topic><topic>Various equipment and components</topic><topic>Voltage measurement</topic><topic>WAVE FORMS</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nguyen, D A</creatorcontrib><creatorcontrib>Ashworth, S P</creatorcontrib><creatorcontrib>Duckworth, R</creatorcontrib><creatorcontrib>Carter, W</creatorcontrib><creatorcontrib>Fleshler, S</creatorcontrib><creatorcontrib>Oak Ridge National Lab. 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(ORNL), Oak Ridge, TN (United States)</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Measurements of AC Losses and Current Distribution in Superconducting Cables</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>996</spage><epage>1000</epage><pages>996-1000</pages><issn>1051-8223</issn><eissn>1558-2515</eissn><coden>ITASE9</coden><abstract>This paper presents our new experimental facility and techniques to measure ac loss and current distribution between the layers for High Temperature Superconducting (HTS) cables. The facility is powered with a 45 kVA three-phase power supply which can provide three-phase currents up to 5 kA per phase via high current transformers. The system is suitable for measurements at any frequency between 20 and 500 Hz to better understand the ac loss mechanisms in HTS cables. In this paper, we will report techniques and results for ac loss measurements carried out on several HTS cables with and without an HTS shielding layer. For cables without a shielding layer, care must be taken to control the effect of the magnetic fields from return currents on loss measurements. The waveform of the axial magnetic field was also measured by a small pick-up coil placed inside a two-layer cable. The temporal current distribution between the layers can be calculated from the waveform of the axial field.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/TASC.2010.2089415</doi><tpages>5</tpages></addata></record> |
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| issn | 1051-8223 1558-2515 |
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| source | IEEE Electronic Library (IEL) |
| subjects | AC loss measurement AC LOSSES Applied sciences AVAILABILITY axial magnetic field CABLES current distribution Current measurement DISTRIBUTION Electric connection. Cables. Wiring Electrical engineering. Electrical power engineering Electromagnets Electronic equipment and fabrication. Passive components, printed wiring boards, connectics Electronics Exact sciences and technology High temperature superconductors Loss measurement MAGNETIC FIELDS Mechanical cables Power electronics, power supplies POWER TRANSMISSION AND DISTRIBUTION SHIELDING superconducting cable SUPERCONDUCTING CABLES Superconducting magnets Superconductivity TRANSFORMERS Various equipment and components Voltage measurement WAVE FORMS |
| title | Measurements of AC Losses and Current Distribution in Superconducting Cables |
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