Eddy Current Loss in Superconducting Cable-in-Conduit Conductor (CICC)
The Conductor of the toroidal field (TF) coils in Tokamaks are exposed to high amplitude (B m ≥ 2 T) pulse magnetic field (PMF) parallel to conductor axis during plasma disruption. A new experimental method for losses investigation in superconducting cable-in-conduit conductor (CICC) was used in thi...
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| Veröffentlicht in: | IEEE transactions on applied superconductivity 2012-06, Vol.22 (3), p.4705704-4705704 |
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| container_title | IEEE transactions on applied superconductivity |
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| creator | Lelekhov, S. A. Keilin, V. E. Kovalev, I. A. Kruglov, S. L. Shcherbakov, V. I. Shutov, K. A. |
| description | The Conductor of the toroidal field (TF) coils in Tokamaks are exposed to high amplitude (B m ≥ 2 T) pulse magnetic field (PMF) parallel to conductor axis during plasma disruption. A new experimental method for losses investigation in superconducting cable-in-conduit conductor (CICC) was used in this work. The method is based on a high sensibility of gas pressure in a closed volume to the energy input and allows measuring hysteresis losses with sufficient precision (when the decay rate of PMF is small) and the sum of hysteresis and eddy current losses (when the decay rate of PMF is high). Eddy current losses are rather higher than the coupling ones in CICC when PMF is parallel to the conductor axis. Therefore short samples (length is smaller than the last twist pitch) can be used for such investigations. The test facility for investigating the losses was developed and manufacturing at the "Kurchatov Institute". The sample of the ITER TF conductor was exposed to PMF with different amplitude and electromagnetic time constant. As result of the experimental investigation the electromagnetic time constant and the resistivity of the bundle were determined. The maximum temperature of the strands during PMF exposure was calculated numerically. |
| doi_str_mv | 10.1109/TASC.2012.2185773 |
| format | Article |
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A. ; Keilin, V. E. ; Kovalev, I. A. ; Kruglov, S. L. ; Shcherbakov, V. I. ; Shutov, K. A.</creator><creatorcontrib>Lelekhov, S. A. ; Keilin, V. E. ; Kovalev, I. A. ; Kruglov, S. L. ; Shcherbakov, V. I. ; Shutov, K. A.</creatorcontrib><description>The Conductor of the toroidal field (TF) coils in Tokamaks are exposed to high amplitude (B m ≥ 2 T) pulse magnetic field (PMF) parallel to conductor axis during plasma disruption. A new experimental method for losses investigation in superconducting cable-in-conduit conductor (CICC) was used in this work. The method is based on a high sensibility of gas pressure in a closed volume to the energy input and allows measuring hysteresis losses with sufficient precision (when the decay rate of PMF is small) and the sum of hysteresis and eddy current losses (when the decay rate of PMF is high). Eddy current losses are rather higher than the coupling ones in CICC when PMF is parallel to the conductor axis. Therefore short samples (length is smaller than the last twist pitch) can be used for such investigations. The test facility for investigating the losses was developed and manufacturing at the "Kurchatov Institute". The sample of the ITER TF conductor was exposed to PMF with different amplitude and electromagnetic time constant. As result of the experimental investigation the electromagnetic time constant and the resistivity of the bundle were determined. The maximum temperature of the strands during PMF exposure was calculated numerically.</description><identifier>ISSN: 1051-8223</identifier><identifier>EISSN: 1558-2515</identifier><identifier>DOI: 10.1109/TASC.2012.2185773</identifier><identifier>CODEN: ITASE9</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Amplitudes ; Bundling ; Cable-in-conduit conductor ; Conductors ; Conductors (devices) ; coupling loss ; Decay rate ; eddy current loss ; Eddy current testing ; Electromagnetics ; Exposure ; Helium ; plasma disruption ; Plasma temperature ; pulse magnetic field ; Studies ; Superconductivity ; Temperature dependence ; Temperature measurement ; Time constant ; twist pitch</subject><ispartof>IEEE transactions on applied superconductivity, 2012-06, Vol.22 (3), p.4705704-4705704</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) Jun 2012</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c278t-313f8b17efac39dd72466979ae4f1d194b9620bdffc20b479af7993ca23e16633</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/6165653$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27924,27925,54758</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/6165653$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Lelekhov, S. A.</creatorcontrib><creatorcontrib>Keilin, V. E.</creatorcontrib><creatorcontrib>Kovalev, I. A.</creatorcontrib><creatorcontrib>Kruglov, S. L.</creatorcontrib><creatorcontrib>Shcherbakov, V. I.</creatorcontrib><creatorcontrib>Shutov, K. A.</creatorcontrib><title>Eddy Current Loss in Superconducting Cable-in-Conduit Conductor (CICC)</title><title>IEEE transactions on applied superconductivity</title><addtitle>TASC</addtitle><description>The Conductor of the toroidal field (TF) coils in Tokamaks are exposed to high amplitude (B m ≥ 2 T) pulse magnetic field (PMF) parallel to conductor axis during plasma disruption. A new experimental method for losses investigation in superconducting cable-in-conduit conductor (CICC) was used in this work. The method is based on a high sensibility of gas pressure in a closed volume to the energy input and allows measuring hysteresis losses with sufficient precision (when the decay rate of PMF is small) and the sum of hysteresis and eddy current losses (when the decay rate of PMF is high). Eddy current losses are rather higher than the coupling ones in CICC when PMF is parallel to the conductor axis. Therefore short samples (length is smaller than the last twist pitch) can be used for such investigations. The test facility for investigating the losses was developed and manufacturing at the "Kurchatov Institute". The sample of the ITER TF conductor was exposed to PMF with different amplitude and electromagnetic time constant. As result of the experimental investigation the electromagnetic time constant and the resistivity of the bundle were determined. The maximum temperature of the strands during PMF exposure was calculated numerically.</description><subject>Amplitudes</subject><subject>Bundling</subject><subject>Cable-in-conduit conductor</subject><subject>Conductors</subject><subject>Conductors (devices)</subject><subject>coupling loss</subject><subject>Decay rate</subject><subject>eddy current loss</subject><subject>Eddy current testing</subject><subject>Electromagnetics</subject><subject>Exposure</subject><subject>Helium</subject><subject>plasma disruption</subject><subject>Plasma temperature</subject><subject>pulse magnetic field</subject><subject>Studies</subject><subject>Superconductivity</subject><subject>Temperature dependence</subject><subject>Temperature measurement</subject><subject>Time constant</subject><subject>twist pitch</subject><issn>1051-8223</issn><issn>1558-2515</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpdkD1PwzAQQC0EEqXwAxBLJBYYUnx2_DVWVguVKjG0zFHi2ChVmhQ7GfrvcZSKgelOd-9Odw-hR8ALAKze9sudXhAMZEFAMiHoFZoBYzIlDNh1zDGDVBJCb9FdCAeMIZMZm6H1qqrOiR68t22fbLsQkrpNdsPJetO11WD6uv1OdFE2Nq3bVI-1uk_01Ot88qI3Wr_eoxtXNME-XOIcfa1Xe_2Rbj_fN3q5TQ0Rsk8pUCdLENYVhqqqEiTjXAlV2MxBBSorFSe4rJwzMWSx4YRS1BSEWuCc0jl6mfaefPcz2NDnxzoY2zRFa7sh5MBF_JpwLCP6_A89dINv43U54GhKZgKTSMFEGR9_99blJ18fC3-OUD6azUez-Wg2v5iNM0_TTG2t_eM5cMYZpb-mOnIk</recordid><startdate>20120601</startdate><enddate>20120601</enddate><creator>Lelekhov, S. A.</creator><creator>Keilin, V. E.</creator><creator>Kovalev, I. A.</creator><creator>Kruglov, S. L.</creator><creator>Shcherbakov, V. I.</creator><creator>Shutov, K. A.</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope><scope>F28</scope><scope>FR3</scope></search><sort><creationdate>20120601</creationdate><title>Eddy Current Loss in Superconducting Cable-in-Conduit Conductor (CICC)</title><author>Lelekhov, S. A. ; Keilin, V. E. ; Kovalev, I. A. ; Kruglov, S. L. ; Shcherbakov, V. I. ; Shutov, K. A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c278t-313f8b17efac39dd72466979ae4f1d194b9620bdffc20b479af7993ca23e16633</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Amplitudes</topic><topic>Bundling</topic><topic>Cable-in-conduit conductor</topic><topic>Conductors</topic><topic>Conductors (devices)</topic><topic>coupling loss</topic><topic>Decay rate</topic><topic>eddy current loss</topic><topic>Eddy current testing</topic><topic>Electromagnetics</topic><topic>Exposure</topic><topic>Helium</topic><topic>plasma disruption</topic><topic>Plasma temperature</topic><topic>pulse magnetic field</topic><topic>Studies</topic><topic>Superconductivity</topic><topic>Temperature dependence</topic><topic>Temperature measurement</topic><topic>Time constant</topic><topic>twist pitch</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lelekhov, S. A.</creatorcontrib><creatorcontrib>Keilin, V. E.</creatorcontrib><creatorcontrib>Kovalev, I. A.</creatorcontrib><creatorcontrib>Kruglov, S. L.</creatorcontrib><creatorcontrib>Shcherbakov, V. I.</creatorcontrib><creatorcontrib>Shutov, K. 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>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>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><jtitle>IEEE transactions on applied superconductivity</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Lelekhov, S. A.</au><au>Keilin, V. E.</au><au>Kovalev, I. A.</au><au>Kruglov, S. L.</au><au>Shcherbakov, V. I.</au><au>Shutov, K. A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Eddy Current Loss in Superconducting Cable-in-Conduit Conductor (CICC)</atitle><jtitle>IEEE transactions on applied superconductivity</jtitle><stitle>TASC</stitle><date>2012-06-01</date><risdate>2012</risdate><volume>22</volume><issue>3</issue><spage>4705704</spage><epage>4705704</epage><pages>4705704-4705704</pages><issn>1051-8223</issn><eissn>1558-2515</eissn><coden>ITASE9</coden><abstract>The Conductor of the toroidal field (TF) coils in Tokamaks are exposed to high amplitude (B m ≥ 2 T) pulse magnetic field (PMF) parallel to conductor axis during plasma disruption. A new experimental method for losses investigation in superconducting cable-in-conduit conductor (CICC) was used in this work. The method is based on a high sensibility of gas pressure in a closed volume to the energy input and allows measuring hysteresis losses with sufficient precision (when the decay rate of PMF is small) and the sum of hysteresis and eddy current losses (when the decay rate of PMF is high). Eddy current losses are rather higher than the coupling ones in CICC when PMF is parallel to the conductor axis. Therefore short samples (length is smaller than the last twist pitch) can be used for such investigations. The test facility for investigating the losses was developed and manufacturing at the "Kurchatov Institute". The sample of the ITER TF conductor was exposed to PMF with different amplitude and electromagnetic time constant. As result of the experimental investigation the electromagnetic time constant and the resistivity of the bundle were determined. The maximum temperature of the strands during PMF exposure was calculated numerically.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TASC.2012.2185773</doi><tpages>1</tpages></addata></record> |
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| source | IEEE Electronic Library (IEL) |
| subjects | Amplitudes Bundling Cable-in-conduit conductor Conductors Conductors (devices) coupling loss Decay rate eddy current loss Eddy current testing Electromagnetics Exposure Helium plasma disruption Plasma temperature pulse magnetic field Studies Superconductivity Temperature dependence Temperature measurement Time constant twist pitch |
| title | Eddy Current Loss in Superconducting Cable-in-Conduit Conductor (CICC) |
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