Review of the AC loss computation for HTS using H formulation

B Shen, F Grilli, T Coombs - Superconductor Science and …, 2020 - iopscience.iop.org
This article presents a review of the finite-element method (FEM) model based on the H
formulation of Maxwell's equations used to calculate AC losses in high-temperature …

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 …

Computation of losses in HTS under the action of varying magnetic fields and currents

F Grilli, E Pardo, A Stenvall, DN Nguyen… - IEEE Transactions …, 2013 - ieeexplore.ieee.org
Numerical modeling of superconductors is widely recognized as a powerful tool for
interpreting experimental results, understanding physical mechanisms, and predicting the …

Alternating current loss of superconductors applied to superconducting electrical machines

H Zhang, Z Wen, F Grilli, K Gyftakis, M Mueller - Energies, 2021 - mdpi.com
Superconductor technology has recently attracted increasing attention in power-generation-
and electrical-propulsion-related domains, as it provides a solution to the limited power …

Superconducting magnetic bearings simulation using an H-formulation finite element model

L Quéval, K Liu, W Yang… - Superconductor …, 2018 - iopscience.iop.org
The modeling of superconducting magnetic bearings (SMBs) is of great significance for
predicting and optimizing their levitation performance before construction. Although much …

Enhanced trapped field performance of bulk high-temperature superconductors using split coil, pulsed field magnetization with an iron yoke

MD Ainslie, H Fujishiro, H Mochizuki… - Superconductor …, 2016 - iopscience.iop.org
Investigating and predicting the magnetization of bulk superconducting materials and
develo** practical magnetizing techniques is crucial to using them as trapped field …

Electromagnetic modeling of REBCO high field coils by the H-formulation

J **a, H Bai, J Lu, AV Gavrilin, Y Zhou… - Superconductor …, 2015 - iopscience.iop.org
In this paper, we employ the anisotropic bulk approximation to successfully implement the
electromagnetic modeling of superconducting coils wound with rare-earth-barium-copper …

Dynamic modelling methodology for an HTS energy converter using moving mesh

G Li, C Li, Y **n, W Hong, W Li… - … Science and Technology, 2021 - iopscience.iop.org
Lots of high-temperature superconducting (HTS) devices which require current leads, slip
rings or brushes have to face the challenges such as large heat load and complex structure …

Total AC loss study of 2G HTS coils for fully HTS machine applications

M Zhang, W Yuan, J Kvitkovic… - … Science and Technology, 2015 - iopscience.iop.org
The application of HTS coils for fully HTS machines has become a new research focus. In
the stator of an electrical machine, HTS coils are subjected to a combination of an AC …

A parameter-free method to extract the superconductor's Jc (B, θ) field-dependence from in-field current–voltage characteristics of high temperature superconductor …

VMR Zermeño, K Habelok, M Stępień… - … Science and Technology, 2017 - iopscience.iop.org
The estimation of the critical current (I c) and AC losses of high-temperature superconductor
devices through modeling and simulation requires the knowledge of the critical current …