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 …

[HTML][HTML] Numerical modelling of high-temperature superconducting dynamos: A review

MD Ainslie - Superconductivity, 2023 - Elsevier
The high-temperature superconducting (HTS) dynamo enables injection of large DC
currents into a superconducting coil, without the need for thermally-inefficient current leads …

3D homogenization of the TA formulation for the analysis of coils with complex geometries

CR Vargas-Llanos, F Huber, N Riva… - Superconductor …, 2022 - iopscience.iop.org
The modeling and analysis of superconducting coils is an essential task in the design stage
of most devices based on high-temperature superconductors (HTS). These calculations …

Dynamic loss and magnetization loss of HTS coated conductors, stacks, and coils for high-speed synchronous machines

H Zhang, P Machura, K Kails, H Chen… - Superconductor …, 2020 - iopscience.iop.org
Dynamic loss is an essential parameter to consider for the design of high temperature
superconducting (HTS) synchronous machine windings. For aerospace electric propulsion …

Coupling electromagnetic numerical models of HTS coils to electrical circuits: multi-scale and homogeneous methodologies using the TA formulation

P Zhou, G Dos Santos, A Ghabeli… - Superconductor …, 2022 - iopscience.iop.org
Numerical simulation is an effective tool for predicting the electromagnetic behavior of
superconductors. Recently, a finite element method-based model coupling the TA …

Modelling of electromagnetic loss in HTS coated conductors over a wide frequency band

H Zhang, M Yao, K Kails, P Machura… - Superconductor …, 2020 - iopscience.iop.org
Electromagnetic loss is a crucial factor to evaluate the performance of high temperature
superconducting (HTS) coated conductors (CCs). Although the loss characteristics around …

Analysis of AC Loss Contributions From Different Layers of HTS Tapes Using the A−V Formulation Model

A Musso, M Breschi, PL Ribani… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This article presents a numerical model based on the definition of the scalar and vector
potentials to calculate the ac losses generated in a high-temperature superconductor coated …

Superconducting wireless power transfer beyond 5 kW at high power density for industrial applications and fast battery charging

C Utschick, C Som, J Šouc, V Große… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
State-of-the-art wireless power transfer (WPT) systems, based on conventional copper coils,
are known to exhibit efficiencies well above 90% when operated in the resonantly coupled …

Modelling the Frequency Dependence of the Open-Circuit Voltage of a High-Tc Superconducting Dynamo

MD Ainslie, L Quéval, RC Mataira… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
A high-T c superconducting (HTS) dynamo enables the injection of large DC currents into a
superconducting circuit, without the requirement for current leads. In this work, we attempt to …

Loss characteristics of superconducting pancake, solenoid and spiral coils for wireless power transfer

P Machura, H Zhang, K Kails, Q Li - Superconductor Science and …, 2020 - iopscience.iop.org
Wireless power transfer (WPT) is an emerging technology with widespread applications,
such as wireless charging for electric vehicles (EVs), which has become a major point of …