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Quench protection system for an HTS coil that uses Cu tape co-wound with an HTS tape
Superconductor Science and Technology, 2019Abstract A quench protection system for a high-temperature superconducting (HTS) coil using Cu tape co-wound with an HTS tape was studied by numerical analysis using a thermal model of a coil winding pack. In normal operation, the voltage across the resistive zone V
H Toriyama +6 more
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IEEE Transactions on Applied Superconductivity, 2016 Current distribution along and across the high-temperature superconducting (HTS) tape provides us with the sufficient information about the quality of the tape performance in different current feeding regimes.
Tosin Famakinwa, Satarou Yamaguchi
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Twisting characterization of 2G HTS tapes
2015 IEEE International Conference on Applied Superconductivity and Electromagnetic Devices (ASEMD), 2015In recent years, commercialization of the second generation high temperature superconducting (2G HTS) tape has been realized and widely used in development of various electronic device applications. This paper emphases on the experimental research of twisting properties of 2G HTS tape at 77 K, self-field.
Jia Wei Li +2 more
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Magnetic Response of the Stacks of HTS Tapes
IEEE Transactions on Applied Superconductivity, 2016We have performed a numerical analysis of the magnetic response of a single piece of a high-temperature superconducting (HTS) tape and the stacks of rectangular pieces of HTS tapes. The number of tapes in the stacks was varied from $N=1$ to 100. We have carried out the simulation in the framework of the critical state model, taking into account ...
Igor A. Rudnev, Alexey I. Podlivaev
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A Superconducting Joint for 2G HTS Tapes
Technical Physics Letters, 2019An approach of the epitaxial jointing of the GdBa2Cu3O7 – δ-based tapes using the YBa2Cu3O7 – δ layer is proposed. The structural and electrical characteristics of the formed joint have been investigated. Using the scanning transmission electron microscopy, the cross section of the joined region has been studied, partial melting of the YBa2Cu3O7 – δ ...
I. V. Kulikov +5 more
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Critical current properties in HTS tapes
Physica C: Superconductivity, 2003Abstract The author’s recent studies on the critical current properties in Bi-2223 multifilamentary tapes as well as YBCO coated IBAD tapes have been reviewed. Extended electric field vs. current density ( E – J ) characteristics were studied over wide range of temperature, T , magnetic field, B , and angle, θ . Based on the analysis of statistic
T. Kiss +16 more
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Over-Current Testing of HTS Tapes
IEEE Transactions on Appiled Superconductivity, 2005High-temperature superconducting (HTS) transmission cables are subjected to short-circuit fault currents 10 to 30 times the normal operating current and lasting up to 15 cycles. These over-currents will drive the HTS conductor normal and generate heat during the fault.
J.W. Lue, M.J. Gouge, R.C. Duckworth
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Investigation of HTS Tape Stacks for Levitation Applications
IEEE Transactions on Applied Superconductivity, 2016Currently, high-temperature superconductor (HTS) bearings are most commonly designed with bulk REBa 2 Cu 3 O 7-x (REBCO), but these HTS bulks have several drawbacks, such as brittleness and the complexity of sample preparation. An alternative for levitation systems is to use stacks of REBCO coated conductors (HTS tapes).
Maxim Osipov +3 more
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HTS Tapes Selection for Superconducting Current Limiters
IEEE Transactions on Applied Superconductivity, 2017The superconducting fault current limiters (SFCLs) are highly effective solutions to reduce fault current in electric power system. The process of quenching may occur in all superconducting devices, but in fault current limiters this process must be fully controlled.
Michal Majka +2 more
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Relaxation of Levitation Force of a Stack of HTS Tapes
IEEE Transactions on Applied Superconductivity, 2016Nowadays, magnetic bearings are used to design motors, generators, separating platforms, and flywheel energy storage systems. High-temperature superconducting (HTS) magnetic bearing construction is based on YBa 2 Cu 3 O 7-x (YBCO) bulks through its ability to capture and hold significant magnetic field for a long time.
Dmitry Abin +3 more
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