Multifilamentary coated conductors for ultra-high magnetic field applications

AC Wulff, AB Abrahamsen… - … Science and Technology, 2021 - iopscience.iop.org
High-temperature superconducting coated conductors (CCs) are considered an enabling
ultra-high field (UHF) tape-conductor technology due to their extremely high engineering …

High temperature superconducting CORC cable with variable winding angles for low AC loss and high current carrying SMES system

J Zheng, Y Cheng, M Li, F Liu, X Liu… - … Science and Technology, 2023 - iopscience.iop.org
Owing to the rising demand for enhanced high-current capacity within superconducting
magnetic energy storage (SMES) system used in power grids, there is a growing focus on …

Effective reduction of magnetisation losses in copper-plated multifilament coated conductors using spiral geometry

N Amemiya, M Shigemasa, A Takahashi… - Superconductor …, 2021 - iopscience.iop.org
We wound copper-plated multifilament coated conductors spirally on a round core to
decouple filaments electromagnetically under ac transverse magnetic fields and measured …

Effect of dynamic resistance reduction in spiral copper-plated multifilament coated conductors

Y Sogabe, N Amemiya - Superconductor Science and …, 2024 - iopscience.iop.org
Theoretically, it has been shown that the dynamic resistances of coated conductors can be
reduced by decreasing their effective width through multifilamentation. In the case of copper …

Impact of copper thickness, conductor width, and number of striations on coupling loss characteristics of copper-plated multifilament-coated conductors

M Shigemasa, Y Sogabe, N Wang… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
This article investigates the coupling loss characteristics of multifilament-coated conductors
that have been plated with copper to connect electrically all the filaments to enhance their …

Superconducting AC Machines and Cryogenic Power Electronics for Reliable and Power-Dense Energy Conversion

A Uosef, L Mantione, M Bassani… - 2024 International …, 2024 - ieeexplore.ieee.org
Implementing superconductivity in rotating electrical machines has many advantages such
as increased efficiency, smaller size, and lighter weight if compared to conventional …

Magnetization loss measurements of spiral copper-plated multifilament coated conductors with various filament and conductor widths

M Shigemasa, Y Sogabe, A Takahashi… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
We can achieve both small magnetization loss and the robustness against local defect or
local normal transition by winding copper-plated multifilament coated conductor spirally. The …

Magnetization loss and current transport characteristics of SCSC cables with metal cores

N Amemiya, Y Sogabe, M Shigemasa… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
The SCSC cable is a low-ac-loss, robust, and high-current cable concept, in which copper-
plated multifilament coated conductors are wound spirally on a core. Its copper connecting …

Development of YBCO patterned multi-filamentary film using photolithography method

A Matsumoto, M Tachiki, S Ooi - IEEE Transactions on Applied …, 2023 - ieeexplore.ieee.org
High-temperature superconducting (HTS)-coated conductors (CCs) can be applied to
magnets under low temperature and high magnetic field conditions, as well as in electric …

Shielding currents in multifilament coated conductors wound into pancake coils and layer-wound coils

Y Sogabe, Y Mizobata, N Amemiya - … Science and Technology, 2021 - iopscience.iop.org
The effect of multifilament coated conductors on reducing shielding currents was studied by
numerical electromagnetic field analyses. We compared the behaviours of the shielding …