[go: up one dir, main page]

Funaki et al., 2009 - Google Patents

Development of low-AC-loss Bi-2223 superconducting multifilamentary wires

Funaki et al., 2009

Document ID
10916770846971973189
Author
Funaki K
Sasasige Y
Yanagida H
Yamasaki S
Iwakuma M
Ayai N
Ishida T
Fukumoto Y
Kamijo H
Publication year
Publication venue
IEEE transactions on applied superconductivity

External Links

Snippet

We have been designing and developing advanced Ag-sheathed Bi-2223 multifilamentary wires for the future applications to superconducting transformers of electric rolling stocks. Trial wires were twisted without remarkable degradation in the transport property for …
Continue reading at ieeexplore.ieee.org (other versions)

Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H01L39/00Devices using superconductivity; Processes or apparatus peculiar to the manufacture or treatment thereof or of parts thereof
    • H01L39/02Details
    • H01L39/12Details characterised by the material
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H01L39/00Devices using superconductivity; Processes or apparatus peculiar to the manufacture or treatment thereof or of parts thereof
    • H01L39/24Processes or apparatus peculiar to the manufacture or treatment of devices provided for in H01L39/00 or of parts thereof
    • H01L39/2419Processes or apparatus peculiar to the manufacture or treatment of devices provided for in H01L39/00 or of parts thereof the superconducting material comprising copper oxide
    • H01L39/2422Processes for depositing or forming superconductor layers
    • H01L39/2454Processes for depositing or forming superconductor layers characterised by the substrate
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H01L39/00Devices using superconductivity; Processes or apparatus peculiar to the manufacture or treatment thereof or of parts thereof
    • H01L39/22Devices comprising a junction of dissimilar materials, e.g. Josephson-effect devices
    • H01L39/223Josephson-effect devices
    • H01L39/225Josephson-effect devices comprising high Tc ceramic materials
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F6/00Superconducting magnets; Superconducting coils
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/34015Temperature-controlled RF coils
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/02Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/035Measuring direction or magnitude of magnetic fields or magnetic flux using superconductive devices
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/0036Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties showing low dimensional magnetism, i.e. spin rearrangements due to a restriction of dimensions, e.g. showing giant magnetoresistivity
    • H01F1/0072Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties showing low dimensional magnetism, i.e. spin rearrangements due to a restriction of dimensions, e.g. showing giant magnetoresistivity one dimensional, i.e. linear or dendritic nanostructures
    • H01F1/0081Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties showing low dimensional magnetism, i.e. spin rearrangements due to a restriction of dimensions, e.g. showing giant magnetoresistivity one dimensional, i.e. linear or dendritic nanostructures in a non-magnetic matrix, e.g. Fe-nanowires in a nanoporous membrane
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00Adaptations of transformers or inductances for specific applications or functions
    • H01F38/02Adaptations of transformers or inductances for specific applications or functions for non-linear operation
    • H01F38/023Adaptations of transformers or inductances for specific applications or functions for non-linear operation of inductances
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H01L43/00Devices using galvano-magnetic or similar magnetic effects; Processes or apparatus peculiar to the manufacture or treatment thereof or of parts thereof

Similar Documents

Publication Publication Date Title
Tsuchiya et al. Critical current measurement of commercial REBCO conductors at 4.2 K
Yanagisawa et al. Reduction of screening current-induced magnetic field of REBCO coils by the use of multi-filamentary tapes
Kajikawa et al. A simple method to eliminate shielding currents for magnetization perpendicular tosuperconducting tapes wound into coils
US10153071B2 (en) Superconducting devices by optimization of the superconductor's local critical current
Wera et al. Magnetic shielding with YBCO coated conductors: Influence of the geometry on its performances
Sogabe et al. Coupling time constants and ac loss characteristics of spiral copper-plated striated coated-conductor cables (SCSC cables)
Kim et al. Persistent current mode of a 1-T-class HTS pancake coil for NMR/MRI applications
Kajikawa et al. Reduction of screening-current-induced fields in an HTS tape winding using toroidal arrangement of shaking coil
Miyoshi et al. High field Ic characterizations of commercial HTS conductors
Rogers et al. Dynamics of current-sharing within a REBCO tape-stack cable
Ogawa et al. AC losses in YBCO coated conductors carrying AC transport currents in perpendicular AC external magnetic field
Li et al. Coupling time constant measurements of spirally-twisted striated coated conductors with finite transverse conductance between filaments
Lakshmi et al. Frequency dependence of magnetic ac loss in a Roebel cable made of YBCO on a Ni–Wsubstrate
Funaki et al. Development of low-AC-loss Bi-2223 superconducting multifilamentary wires
Kapolka et al. Maximum reduction of energy losses in multicore MgB2 wires by metastructured soft-ferromagnetic coatings
Lakshmi et al. Magnetic AC loss characteristics of 2G Roebel cable
Yoon et al. Field mapping of the jointless HTS solenoid magnet in a persistent current mode operation
Kajikawa et al. Influences of geometrical configuration on AC loss measurement with pickup-coil method
Gömöry et al. AC loss reduction in round HTS cables achieved by low-cost filamentization of tape conductors
Oishi et al. Evaluation of the AC loss characteristics of multifilamentary REBCO tapes by the mechanical scratching of MgO areas
Miyazaki et al. Evaluation of magnetic field homogeneity of a conduction-cooled REBCO magnet with a room-temperature bore of 200 mm
Paasi et al. AC losses in multifilamentary Bi-2223/Ag superconducting tapes
Lee et al. Magnetization loss and shield effect in multi-stacked tapes with various stacking configurations
Fukushima et al. Properties of long GdBCO coated conductor by IBAD-PLD method—The first GdBCO coil test
Jiang et al. AC loss measurements of twisted and non-twisted BSCCO tapes in transverse magnetic field with various directions