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Experimental results of a 70 kA high temperature superconductor current lead demonstrator for the ITER magnet system
In the frame of the European Fusion Technology Programme, the Forschungszentrum Karlsruhe and the CRPP Villigen have designed and built a 70 kA current lead for the ITER TF Coils using High Temperature Superconductors (HTS). At the beginning of 2004 the HTS current lead was installed and tested in t...
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Published in: | IEEE transactions on applied superconductivity 2005-06, Vol.15 (2), p.1496-1499 |
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container_title | IEEE transactions on applied superconductivity |
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creator | Heller, R. Darweschsad, S.M. Dittrich, G. Fietz, W.H. Fink, S. Herz, W. Hurd, F. Kienzler, A. Lingor, A. Meyer, I. Nother, G. Susser, M. Tanna, V.L. Vostner, A. Wesche, R. Wuchner, F. Zahn, G. |
description | In the frame of the European Fusion Technology Programme, the Forschungszentrum Karlsruhe and the CRPP Villigen have designed and built a 70 kA current lead for the ITER TF Coils using High Temperature Superconductors (HTS). At the beginning of 2004 the HTS current lead was installed and tested in the TOSKA facility of the Forschungszentrum Karlsruhe. The scope of the experiment was to characterize the current lead in steady state conditions and to explore the operation limits as well. For this, the temperature profile, the contact resistances, the heat load at 4.5 K, the required 50 K He mass flow rate, and the temperature margin were evaluated. The safety margin in case of a loss of He mass flow was studied, too. The paper describes the experimental results as well as the thermal and electrical models developed. |
doi_str_mv | 10.1109/TASC.2005.849145 |
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Electrical power engineering</subject><subject>Electromagnets</subject><subject>Exact sciences and technology</subject><subject>fusion magnets</subject><subject>high temperature superconductor</subject><subject>High temperature superconductors</subject><subject>Lead</subject><subject>Mass flow rate</subject><subject>Plasma temperature</subject><subject>Safety</subject><subject>Safety margins</subject><subject>Steady state</subject><subject>Superconducting coils</subject><subject>Superconducting magnets</subject><subject>Superconductivity</subject><subject>Temperature distribution</subject><subject>Testing</subject><subject>Various equipment and components</subject><issn>1051-8223</issn><issn>1558-2515</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><recordid>eNp9kc1r3DAQxU1poGnSe6EXUWh78lajD3t0XJZtEwgU0u1ZyPI469QfW0mG5L-Plg0EcuhBaOD93oOZVxQfga8AuPm-W__erATneoXKgNJvinPQGkuhQb_NM9dQohDyXfE-xnvOQaHS50XaPhwo9CNNyQ0sUFyGFNncMcdqzv6u2b6_27NEY6ZcWgKxuOTRz1O7-DQH5pcQspkN5FrW0jhPMWUyK11-aU_sere9ZaO7myix-Bhz1mVx1rkh0ofn_6L482O721yVN79-Xm_WN6UXBlMpmwaU6FSlJDSq7qDtGu8dofMN1QKQao9ZqWStoOEkvW-9EZq71jglKnlRfDvlHsL8b6GY7NhHT8PgJpqXaNFUgLWUOpNf_0sKhHxIqDP4-RV4Py9hyltYA4KjQsQM8RPkwxxjoM4e8oldeLTA7bEte2zLHtuyp7ay5ctzroveDV1wk-_ji68yEisFmft04noiepGVNEagfALUjJ6O</recordid><startdate>200506</startdate><enddate>200506</enddate><creator>Heller, R.</creator><creator>Darweschsad, S.M.</creator><creator>Dittrich, G.</creator><creator>Fietz, W.H.</creator><creator>Fink, S.</creator><creator>Herz, W.</creator><creator>Hurd, F.</creator><creator>Kienzler, A.</creator><creator>Lingor, A.</creator><creator>Meyer, I.</creator><creator>Nother, G.</creator><creator>Susser, M.</creator><creator>Tanna, V.L.</creator><creator>Vostner, A.</creator><creator>Wesche, R.</creator><creator>Wuchner, F.</creator><creator>Zahn, G.</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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At the beginning of 2004 the HTS current lead was installed and tested in the TOSKA facility of the Forschungszentrum Karlsruhe. The scope of the experiment was to characterize the current lead in steady state conditions and to explore the operation limits as well. For this, the temperature profile, the contact resistances, the heat load at 4.5 K, the required 50 K He mass flow rate, and the temperature margin were evaluated. The safety margin in case of a loss of He mass flow was studied, too. The paper describes the experimental results as well as the thermal and electrical models developed.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/TASC.2005.849145</doi><tpages>4</tpages></addata></record> |
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subjects | Applied sciences Coils Contact Copper Current leads Electric connection. Cables. Wiring Electric contacts Electrical engineering. Electrical power engineering Electromagnets Exact sciences and technology fusion magnets high temperature superconductor High temperature superconductors Lead Mass flow rate Plasma temperature Safety Safety margins Steady state Superconducting coils Superconducting magnets Superconductivity Temperature distribution Testing Various equipment and components |
title | Experimental results of a 70 kA high temperature superconductor current lead demonstrator for the ITER magnet system |
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