Zobrazeno 1 - 10
of 32
pro vyhledávání: '"Jungwan Choi"'
Autor:
Dae-Yeol Lee, Jungwan Choi, Lacksang Lee, Pascal Reynaud, Ki-Won Ko, Jong-Seok Oh, Jae-Hak Suh, Jong-Min Kim, Kwangcheol Hwang, Inho Song, Seong-Man Jo, Ki-Don Hong, Hyoyol Liu, Seungyun Lee, Yang-Hae Kwon, Hyung-jin Park, Changwoo Kim, Hao Tan, Jang-Soo Lee, Jun Tao, Jihyun Choi, Dong-Joon Sim, Eui-Jae Lee, J. K. Goff
Publikováno v:
Fusion Engineering and Design. :1127-1130
The final design of the ITER TF, CS, CC and VS AC/DC converters has been completed to implement ITER requirements following the detailed design and refinements of the preliminary design. The number of parallel thyristors and the rating of fuses are c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c4b403d2a8fa58121c9c7966539d7318
https://doi.org/10.1016/j.fusengdes.2015.06.147
https://doi.org/10.1016/j.fusengdes.2015.06.147
Autor:
Jungwan Choi, Seungho Park, Woori Do, Jin-Ha Hwang, Seung-Muk Bae, Byung-Kuk Kim, Hyoung-June Kim, Won-Beom Jin
Publikováno v:
Materials Research Bulletin. 58:164-168
Boron-implanted polycrystalline Si thin films on glass substrates were subjected to a short duration (1 ms) of intense visible light irradiation generated via a high-powered Xe arc lamp. The disordered Si atomic structure absorbs the intense visible
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0d1eb09a2137b131acf6358a7274d4ff
https://doi.org/10.1016/j.materresbull.2014.04.047
https://doi.org/10.1016/j.materresbull.2014.04.047
Autor:
J. K. Goff, J.S. Lee, Seong-Man Jo, S.H. Han, G.D. Hong, Y. Lee, Jun Tao, K. Hwang, Jae-Hak Suh, Jungwan Choi, S. Lee, H. Tan, Jong-Seok Oh, H.G. Kim, B.W. Lee, I. Chung, W. Jung, H. Liu, J. Kang, W. Lee, Hyung-jin Park, Pascal Reynaud, C.H. Yeo, H. Gweon, E. Seo, J.B. Kim
Publikováno v:
Fusion Engineering and Design. 88:1555-1559
The preliminary design for ITER AC/DC converters under the responsibility of the Korean Domestic Agency is performed on the basis of the engineering experience of previous RD integrated self-supporting aluminium structure and symmetrical thyristor as
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c3af1e637b1b7e3a999833b671176664
https://doi.org/10.1016/j.fusengdes.2013.01.099
https://doi.org/10.1016/j.fusengdes.2013.01.099
Publikováno v:
IEEE Transactions on Power Electronics. 25:2115-2123
In this paper, a three-phase interleaved dc-dc converter with an active clamp and three-phase pulsewidth modulation (PWM) method are proposed. The proposed converter has a three-phase interleaved boost converter, which consists of three input inducto
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7d17769e8f4798ab5b2cc7fe6f060478
https://doi.org/10.1109/tpel.2010.2045659
https://doi.org/10.1109/tpel.2010.2045659
Autor:
Jun Tao, Jeong-Tae Jin, Jae Hak Suh, Inho Song, Dae-Sik Chang, Jong-Seok Oh, Churl-Kew Hwang, Kwang Won Lee, Byung-Hoon Oh, Jungwan Choi
Publikováno v:
Nuclear Engineering and Technology. 42:305-312
The protection sequence of an AC/DC converter for an ITER PF coil system is developed in this study. Possible faults in the coil system are simulated and the results reflected in the design of a sequence to protect the coil and converter. The inducta
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2124ce916d004c209a10718246e90902
https://doi.org/10.5516/net.2010.42.3.305
https://doi.org/10.5516/net.2010.42.3.305
Publikováno v:
IEEE Transactions on Power Electronics. 23:2784-2793
This paper focuses on a new three-phase high power current-fed DC/DC converter with an active clamp. A three-phase DC/DC converter with high efficiency and voltage boosting capability is designed for use in the interface between a low-voltage fuel-ce
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fbf96f0df325bfadafcc5953c9d45686
https://doi.org/10.1109/tpel.2008.2003256
https://doi.org/10.1109/tpel.2008.2003256
A three-phase current-fed dc/dc converter with a three-leg high frequency transformer for fuel cells
Publikováno v:
Journal of Power Sources. 182:270-277
In this paper, a three-phase current-fed dc/dc converter with an active clamp is introduced, and a new three-phase three-leg high frequency transformer is proposed for the converter. The three-phase dc/dc converter transfers power through transformer
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c79c2a5ea7f5f1e182733e78db5b9afe
https://doi.org/10.1016/j.jpowsour.2008.03.066
https://doi.org/10.1016/j.jpowsour.2008.03.066
Autor:
J. K. Goff, Jun Tao, P. Fu, Jungwan Choi, E. H. Song, J. H. Suh, K. S. Eom, Jong-Seok Oh, G. S. Lee
Publikováno v:
2011 IEEE/NPSS 24th Symposium on Fusion Engineering.
The ITER coil power supplies provide controlled DC current to charge and stabilize the current in a toroidal field (TF) coil, and to establish and control the currents in a central solenoid (CS) module, poloidal field (PF) coils, and correction coils
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9a133bc2e43eb78415cd193a21f45ab0
https://doi.org/10.1109/sofe.2011.6052337
https://doi.org/10.1109/sofe.2011.6052337
Publikováno v:
The 2010 International Power Electronics Conference - ECCE ASIA.
Tokamak coil power supply for superconductivity coil of ITER(International Thermonuclear Experimental Reactor) requires fast dynamic performance of di/dt and smooth changeover of current direction. To meet the specification high performance this powe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::feb137a3f334ba2aed546c7b3587e9db
https://doi.org/10.1109/ipec.2010.5543870
https://doi.org/10.1109/ipec.2010.5543870
Autor:
Yong-Wun Lee, Kiwon Park, In-Chol Jeong, Jae-An Park, Jong-Seok Oh, Hyun-Seok Shin, Hye-Seong Heo, Jae-Hak Suh, Jungwan Choi
Publikováno v:
2010 IEEE International Conference on Industrial Technology.
A technology based on thyristors will be used to manufacture the super-conducting coil AC/DC converters because of the low ratio of cost over installed power compared to a design based on GTO or similar technology. But phase-controlled converter suff
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bd998ee3c8c172d63646c3c6f6c0c94a
https://doi.org/10.1109/icit.2010.5472623
https://doi.org/10.1109/icit.2010.5472623