Conceptual approach to the ultimate low AC loss YBCO Superconductor

Wide tapes of YBCO coated conductors make minimization of ac loss very difficult. Subdivision of the tape into narrow filaments does not provide complete transposition when twisted and current sharing is not equalized due to inductance differences. For ac power applications operating near 400 Hz for...

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Veröffentlicht in:IEEE transactions on applied superconductivity 2005-06, Vol.15 (2), p.1643-1646
Hauptverfasser: Oberly, C.E., Razidlo, B., Rodriguez, F.
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container_title IEEE transactions on applied superconductivity
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creator Oberly, C.E.
Razidlo, B.
Rodriguez, F.
description Wide tapes of YBCO coated conductors make minimization of ac loss very difficult. Subdivision of the tape into narrow filaments does not provide complete transposition when twisted and current sharing is not equalized due to inductance differences. For ac power applications operating near 400 Hz for military aircraft power systems, equal inductance filaments and short twist pitch are very important to loss minimization. A fully transposed YBCO tape that approximates a Rutherford cable has been conceived to minimize ac loss at high frequency. Retention of optimal texture of YBCO in edge turnaround regions and filament crossovers in the Rutherford tape is essential.
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Solid state devices</subject><subject>striated filaments</subject><subject>Superconducting devices</subject><subject>Superconducting filaments and wires</subject><subject>Superconducting films</subject><subject>Superconducting tapes</subject><subject>SUPERCONDUCTORS</subject><subject>Surface layer</subject><subject>TAPE</subject><subject>Texture</subject><subject>TEXTURES</subject><subject>Various equipment and components</subject><subject>YBCO</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>2005</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNqNkc1Lw0AQxYMoWKt3wUsQFC-pM5vdZPdYg19Q6KH14GnZbLa0JU3i7gbxv3dLCoIH8fQG5jePmXlRdIkwQQRxv5wuigkBYBNOBUFxFI2QMZ4Qhuw41MAw4YSkp9GZc1sApJyyUVQUbaNN53tVx6rrbKv0OvZt7Ncm7mu_2Slv4rr9jKdFEOfi94diHi_6zljdNlWvfWvPo5OVqp25OOg4ent6XBYvyWz-_FpMZ4mmyHySl6CJEAoqRrBCnZdC64qXpRGVFpRBmYZdCat0aGYVUEDOhMozAFVSZtJxdDv4hjU_euO83G2cNnWtGtP2ThKOJNiwf4AAQAQP4N2fIGY5UkIF5AG9_oVu29424V4pkACnGacBggHSNvzKmpXsbHih_ZIIch-T3Mck9zHJIaYwcnPwVU6remVVozfuZy4TKc_yLHBXA7cxxvy0aSpElqbfgeyYug</recordid><startdate>20050601</startdate><enddate>20050601</enddate><creator>Oberly, C.E.</creator><creator>Razidlo, B.</creator><creator>Rodriguez, F.</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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Subdivision of the tape into narrow filaments does not provide complete transposition when twisted and current sharing is not equalized due to inductance differences. For ac power applications operating near 400 Hz for military aircraft power systems, equal inductance filaments and short twist pitch are very important to loss minimization. A fully transposed YBCO tape that approximates a Rutherford cable has been conceived to minimize ac loss at high frequency. Retention of optimal texture of YBCO in edge turnaround regions and filament crossovers in the Rutherford tape is essential.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/TASC.2005.849219</doi><tpages>4</tpages></addata></record>
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source IEEE Electronic Library (IEL)
subjects AC loss
AEROSPACE APPLICATIONS
AIRCRAFT
Applied sciences
Conductivity
Conductors
COPPER OXIDE
Electric connection. Cables. Wiring
Electrical engineering. Electrical power engineering
Electrical power engineering
Electronics
Exact sciences and technology
Filaments
Frequency
Inductance
Magnetic separation
Materials
Minimization
Miscellaneous
Optimization
Power cables
Power networks and lines
Power systems
Rutherford configuration
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
striated filaments
Superconducting devices
Superconducting filaments and wires
Superconducting films
Superconducting tapes
SUPERCONDUCTORS
Surface layer
TAPE
Texture
TEXTURES
Various equipment and components
YBCO
YBCO superconductors
Yttrium barium copper oxide
YTTRIUM OXIDE
title Conceptual approach to the ultimate low AC loss YBCO Superconductor
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