Alternating current loss of superconductors applied to superconducting electrical machines
Superconductor technology has recently attracted increasing attention in power-generation-
and electrical-propulsion-related domains, as it provides a solution to the limited power …
and electrical-propulsion-related domains, as it provides a solution to the limited power …
Dynamic resistance and dynamic loss in a ReBCO superconductor
Dynamic resistance is a time-averaged direct current (DC) resistance in superconducting
materials, which typically occurs when a superconductor is carrying a transport DC while …
materials, which typically occurs when a superconductor is carrying a transport DC while …
Dynamic resistance of a high-Tc coated conductor wire in a perpendicular magnetic field at 77 K
Superconducting high-T c coated conductor (CC) wires comprise a ceramic thin film with a
large aspect ratio. This geometry can lead to significant dissipative losses when exposed to …
large aspect ratio. This geometry can lead to significant dissipative losses when exposed to …
Numerical modelling of dynamic resistance in high-temperature superconducting coated-conductor wires
The use of superconducting wire within AC power systems is complicated by the dissipative
interactions that occur when a superconductor is exposed to an alternating current and/or …
interactions that occur when a superconductor is exposed to an alternating current and/or …
AC loss reduction of YBCO coated conductors by multifilamentary structure
The large cross-sectional aspect ratio of YBCO coated conductors leads to a large
magnetization loss in an AC transverse magnetic field. In this work, the magnetization loss of …
magnetization loss in an AC transverse magnetic field. In this work, the magnetization loss of …
Calibration free method for measurement of the AC magnetization loss
J Šouc, F Gömöry, M Vojenčiak - Superconductor Science and …, 2005 - iopscience.iop.org
A calibration free measurement method for determination of the magnetization loss of
superconducting samples exposed to the external AC magnetic field is presented. The idea …
superconducting samples exposed to the external AC magnetic field is presented. The idea …
The dynamic resistance of YBCO coated conductor wire: Effect of DC current magnitude and applied field orientation
Dynamic resistance, which occurs when a HTS coated conductor carries a DC current under
an AC magnetic field, can have critical implications for the design of HTS machines. Here …
an AC magnetic field, can have critical implications for the design of HTS machines. Here …
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 …
decouple filaments electromagnetically under ac transverse magnetic fields and measured …
[HTML][HTML] Numerical simulation of dynamic loss and total loss in the REBCO tapes under perpendicular AC magnetic fields up to 8 T at 20 K and 50 K
REBCO tapes carry DC current under AC magnetic fields in proposed HTS fusion
applications. AC loss will be generated in the process and it is important to understand the …
applications. AC loss will be generated in the process and it is important to understand the …
Coupling time constants of striated and copper-plated coated conductors and the potential of striation to reduce shielding-current-induced fields in pancake coils
N Amemiya, N Tominaga, R Toyomoto… - Superconductor …, 2018 - iopscience.iop.org
The shielding-current-induced field is a serious concern for the applications of coated
conductors to magnets. The striation of the coated conductor is one of the countermeasures …
conductors to magnets. The striation of the coated conductor is one of the countermeasures …