[HTML][HTML] Selecting a cryogenic cooling system for superconducting machines: General considerations for electric machine designers and engineers

M Yazdani-Asrami, A Sadeghi, MD Atrey - International Journal of …, 2022 - Elsevier
In this paper, general considerations for selecting a cryogenic cooling system for
superconducting machine in different applications were explained with respect to the …

Fabrication and performance testing of a 1-kW-class high-temperature superconducting generator with a high-temperature superconducting contactless field exciter∗

JH Kim, YS Chae, HL Quach, YS Yoon… - Superconductor …, 2020 - iopscience.iop.org
This paper deals with the fabrication and performance testing of a prototype machine for the
world's first implementation of a new type high-temperature superconducting rotating …

Enhancement of high-temperature superconducting coil stability using doped smart insulation materials for superconducting magnet applications

MM Mussa, HS Noh, D Kwon, Y Kim, HW Kim… - Chinese Journal of …, 2024 - Elsevier
This study reports a high-temperature superconducting (HTS) coil containing molybdenum
doped vanadium trioxide (V 2 O 3: Mo) as turn-to-turn insulation material to ameliorate the …

Quench initiation and normal zone propagation characteristics of smart insulated high-temperature superconducting coil

MM Mussa, HS Noh, M Sun, J Lee, HW Kim, YS Jo… - Current Applied …, 2023 - Elsevier
A smart insulation (SI) winding technique utilizing vanadium trioxide (V 2 O 3) as a turn-to-
turn insulation material is an effective means of achieving a suitable time constant and …

Electromagnetic characteristic analysis of a REBCO magnet with a current bypass/distribution winding technique under an asynchronous rotating magnetic field

YS Chae, JH Kim, HL Quach, YS Yoon… - Superconductor …, 2022 - iopscience.iop.org
Generally, high-temperature superconducting rotating machines (HTSRMs) are considered
synchronous machines. If the output of the HTSRM fluctuates based on frequent changes in …

Design, fabrication, and analysis of HTS coils for a 10-kW wind power generator employing a brushless exciter

HJ Sung, BS Go, H Park, RA Badcock… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
High-temperature superconducting (HTS) generators for large-scale wind power generation
systems attract much research attention. Excitation systems in HTS generators, particularly …

Operational characteristics of active rotating-type contactless superconducting field exciter for high-temperature superconducting synchronous machines

YS Chae, SH Lee, YS Yoon, HL Quach, HW Kim, YS Jo… - Cryogenics, 2023 - Elsevier
The operational characteristics of a contactless superconducting field exciter (CSFE) for
operating rare-earth barium copper oxide (REBCO) field windings in high-temperature …

Design of indirect closed-cycle cooling scheme coupled with a cryocooler for a 3-MW-class high-temperature superconducting synchronous motor

TD Le, JH Kim, CJ Boo, YS Jo, YS Yoon… - IEEE Transactions …, 2016 - ieeexplore.ieee.org
The increase in the heat generated from high-temperature superconducting (HTS) rotating
components limits the applicability of a cooling method. Hence, a liquid cooling and …

A study on charging and electrical stability characteristics with no-insulation and metal insulation in form of racetrack type coils

HL Quach, HM Kim - Progress in Superconductivity and …, 2020 - koreascience.kr
This study presents the experiment and simulation results on the magnetic field response
and electrical stability behaviors of no-insulation (NI) and metal insulation with stainless …

[PDF][PDF] Status of the technology development of large scale HTS generators for wind turbine

TD Le, JH Kim, DJ Kim, CJ Boo… - … in Superconductivity and …, 2015 - academia.edu
Large wind turbine generators with high temperature superconductors (HTS) are in
incessant development because of their advantages such as weight and volume reduction …