Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Chang Ju Hyeon"'
Autor:
Yong Soo Yoon, Sang Heon Chae, Jeyull Lee, Chang Jin Boo, Jae Hyung Moon, Haigun Lee, Haeryong Jeon, Ji Hyung Kim, Young Gyun Kim, Chang Ju Hyeon, Seunghak Han, Ho Min Kim, Yoon Seok Chae, Huu Luong Quach
Publikováno v:
Cryogenics. 97:126-132
This paper presents the results of our electromagnetic parametric design, two-dimensional finite element analysis (2-D FEA), final fabrication, and basic test to develop a salient-field pole in rotor for a 1-kW-class high-temperature superconducting
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3c68b5b6da867bc9e7c075bfd4b714e9
https://doi.org/10.1016/j.cryogenics.2018.10.018
https://doi.org/10.1016/j.cryogenics.2018.10.018
Autor:
Sang Heon Chae, Ji Hyung Kim, Chang Ju Hyeon, Seunghak Han, Hyung-Wook Kim, Young-Sik Jo, Yong Soo Yoon, Huu Luong Quach, Haeryong Jeon, Jeyull Lee, Ho Min Kim, Tae Kuk Ko
Publikováno v:
IEEE Transactions on Applied Superconductivity. 28:1-5
We present the results of a two-dimensional electromagnetic finite-element analysis of a 1-kW-class high-temperature superconducting (HTS) wound-field synchronous motor that considers armature-current information, i.e., current phase angle β and cur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3c4a9cc99d455751ff42c28bb248d94c
https://doi.org/10.1109/tasc.2018.2819209
https://doi.org/10.1109/tasc.2018.2819209
Autor:
Chang Ju Hyeon, Jeyull Lee, Ji Hyung Kim, Yong Soo Yoon, Haeryong Jeon, Ho Min Kim, Hyoungku Kang, Seunghak Han, Tae Kuk Ko
Publikováno v:
IEEE Transactions on Applied Superconductivity. 28:1-5
Rotary HTS flux pumps are suitable for cryogenic applications, where it is difficult to implement direct physical connections between the device in question and an external power supply. Here we examine the proportional-integral-derivative (PID) cont
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::955ef624f336c60fd415eb15fe355093
https://doi.org/10.1109/tasc.2018.2822704
https://doi.org/10.1109/tasc.2018.2822704
Autor:
Hyung-Wook Kim, Chang Ju Hyeon, Ji Hyung Kim, Seog-Whan Kim, Young-Sik Jo, Huu Luong Quach, Ho Min Kim
Publikováno v:
IEEE Transactions on Applied Superconductivity. 28:1-6
This paper presents the quench behavior of second-generation (2G) high-temperature superconducting (HTS) coil insulated with a Kapton polyimide film or metal-insulator transition (MIT) materials, which could enhance the thermal stability and magnetic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c8c13e85cd61903668d412cdb1ccd163
https://doi.org/10.1109/tasc.2018.2801883
https://doi.org/10.1109/tasc.2018.2801883
Autor:
Tae Kuk Ko, Yong Soo Yoon, Haeryong Jeon, Seunghak Han, Jeyull Lee, Ho Min Kim, Hyoungku Kang, Chang Ju Hyeon, Ji Hyung Kim
Publikováno v:
IEEE Transactions on Applied Superconductivity. 28:1-5
Degradation of critical current ( I c) in a high-temperature superconducting (HTS) tape under bending conditions had been previously investigated. These investigations were focused on only either bending or torsion. A rotating flux pump is used to st
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1c3ba8721b3d58c319c7d2a3a3d25a21
https://doi.org/10.1109/tasc.2017.2782217
https://doi.org/10.1109/tasc.2017.2782217
Autor:
Ho Min Kim, Jeyull Lee, Tae Kuk Ko, Ji Hyung Kim, Yong Soo Yoon, Haeryong Jeon, Yoon Do Chung, Chang Ju Hyeon, Seunghak Han, Dong Keun Park
Publikováno v:
IEEE Transactions on Applied Superconductivity. 28:1-5
The rotary flux-pump using HTS tape has been studied for superconducting rotating machinery application. The charging speed and saturation current of the rotary HTS flux-pump is closely related to magnetic flux linkage passing through the HTS tape. T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9f16077e88f779fa7abcf9d68b150db3
https://doi.org/10.1109/tasc.2018.2793869
https://doi.org/10.1109/tasc.2018.2793869
Autor:
Jimin Kim, Jong Cheol Kim, Ho Min Kim, Young-Gyun Kim, Hyun-Hee Son, Chang Ju Hyeon, Haigun Lee
Publikováno v:
IEEE Transactions on Applied Superconductivity. 28:1-5
This paper reports the effectiveness of metal-cladding (MC) winding technique employing a GdBCO tape with a micrometer-thick stainless-steel clad as experimentally compared with that of the partial insulation (PI) winding technique. The investigation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::047b956d6221029ccb0b65057700cdd1
https://doi.org/10.1109/tasc.2018.2790964
https://doi.org/10.1109/tasc.2018.2790964
Autor:
Yong Soo Yoon, Ho Min Kim, Haeryong Jeon, Jeyull Lee, Seunghak Han, Tae Kuk Ko, Chang Ju Hyeon, Dong Keun Park, Ji Hyung Kim
Publikováno v:
IEEE Transactions on Applied Superconductivity. 28:1-5
In this paper, the charging characteristics of high-Tc superconducting (HTS) field coils are analyzed experimentally to verify the efficiency of using HTS contactless rotary excitation devices (CREDs). The HTS CRED is composed of eight HTS rotor stra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d2d9b9455cbea1a4ff9bdca65c7981b0
https://doi.org/10.1109/tasc.2018.2795593
https://doi.org/10.1109/tasc.2018.2795593
Autor:
Seunghak Han, Haeryong Jeon, Ji Hyung Kim, Ho Min Kim, Jeyull Lee, Tae Kuk Ko, Yong Soo Yoon, Chang Ju Hyeon
Publikováno v:
Cryogenics. 89:141-146
A rotating HTS flux pump is used to study the charging characteristics of superconducting synchronous motor. In order to design the rotating flux pump, the elliptical winding is essential. Numerous studies have been conducted on the degradation of th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::084340660bb7abe67a870396be83e678
https://doi.org/10.1016/j.cryogenics.2017.12.003
https://doi.org/10.1016/j.cryogenics.2017.12.003
Autor:
Ho Min Kim, Yong Soo Yoon, Young-Sik Jo, Chang Jin Boo, Ji Hyung Kim, Sang Heon Chae, Seong Gyeom Kim, Do Jin Kim, Chang Ju Hyeon, Haigun Lee
Publikováno v:
IEEE Transactions on Applied Superconductivity. 27:1-7
A general high-temperature superconducting synchronous motor (HTSSM) is designed and manufactured with an air-core structure, which eliminates the laminated iron core to concentrate the linkage flux in conventional rotor and stator. In an air-core st
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b0907057df31962e72eef7b31d045834
https://doi.org/10.1109/tasc.2017.2669194
https://doi.org/10.1109/tasc.2017.2669194