Overview of H-Formulation: A Versatile Tool for Modeling Electromagnetics in High-Temperature Superconductor Applications

B Shen, F Grilli, T Coombs - IEEE access, 2020 - ieeexplore.ieee.org
This paper reviews the modeling of high-temperature superconductors (HTS) using the
finiteelement method (FEM) based on the H-formulation of Maxwell's equations. This …

[HTML][HTML] Review of high temperature superconducting flux pumps

W Wang, J Wei, C Yang, C Wu, H Li - Superconductivity, 2022 - Elsevier
High temperature superconducting (HTS) magnets conduct DC currents ranging from
hundreds to tens of thousands of amperes. To achieve such DC output amplitudes …

Study on current discrepancy and redistribution of HTS non-insulation closed-loop coils during charging/discharging and subsequent transient process toward steady …

L Lu, W Wu, Y Gao, C Pan, X Yu… - Superconductor …, 2022 - iopscience.iop.org
It has been previously demonstrated that currents in HTS non-insulation (NI) coils exhibit a
discrepant distribution during charging and discharging. However, for NI closed-loop coils …

A new benchmark problem for electromagnetic modelling of superconductors: The high-T c superconducting dynamo

M Ainslie, F Grilli, L Quéval, E Pardo… - Superconductor …, 2020 - iopscience.iop.org
The high-T c superconducting (HTS) dynamo is a promising device that can inject large DC
supercurrents into a closed superconducting circuit. This is particularly attractive to energise …

Dynamic resistance and dynamic loss in a ReBCO superconductor

H Zhang, B Shen, X Chen, Z Jiang - Superconductor Science and …, 2022 - iopscience.iop.org
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 …

High temperature superconducting flux pumps for contactless energization

Z Wen, H Zhang, M Mueller - Crystals, 2022 - mdpi.com
The development of superconducting technology has seen continuously increasing interest,
especially in the area of clean power systems and electrification of transport with low CO2 …

[HTML][HTML] Origin of the DC output voltage from a high-Tc superconducting dynamo

RC Mataira, MD Ainslie, RA Badcock… - Applied Physics …, 2019 - pubs.aip.org
Despite their proven ability to output DC currents of> 100 A, the physical mechanism which
underpins the operation of a high-T c superconducting (HTS) dynamo is still debated widely …

Dynamic resistance of a high-Tc coated conductor wire in a perpendicular magnetic field at 77 K

Z Jiang, R Toyomoto, N Amemiya… - Superconductor …, 2017 - iopscience.iop.org
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 …

Numerical modelling of dynamic resistance in high-temperature superconducting coated-conductor wires

MD Ainslie, CW Bumby, Z Jiang… - Superconductor …, 2018 - iopscience.iop.org
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 …

A half-wave superconducting transformer-rectifier flux pump using J c (B) switches

B Leuw, J Geng, JHP Rice, DA Moseley… - Superconductor …, 2022 - iopscience.iop.org
High temperature superconducting (HTS) flux pumps can generate ultra-high currents (> 1
kA) without the requirement for thermally inefficient room temperature current leads. Ultra …