Zobrazeno 1 - 10
of 44
pro vyhledávání: '"Jungwook Sim"'
Autor:
Quality, Jungmin Ryu, Kwon-il Son, Dae-san Oh, Jungwook Sim, Tae Woo Kang, Yongjun Lee, Minsu Shin, Hunyong Shin
Publikováno v:
The Korean Society of Manufacturing Process Engineers. 18:54-59
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c7a4cf9f6ebc001d46a3217499465609
https://doi.org/10.14775/ksmpe.2019.18.10.054
https://doi.org/10.14775/ksmpe.2019.18.10.054
Publikováno v:
2019 10th International Conference on Power Electronics and ECCE Asia (ICPE 2019 - ECCE Asia).
Because of nature of the DC power distribution system, such as existence of power electronic converters with DC link capacitors and low system inductance, it has been known that the protection of DC system against short circuit fault would be difficu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8e56b116efb4ad1278a61fc5d59534c3
https://doi.org/10.23919/icpe2019-ecceasia42246.2019.8796957
https://doi.org/10.23919/icpe2019-ecceasia42246.2019.8796957
Publikováno v:
2018 IEEE Energy Conversion Congress and Exposition (ECCE).
This paper focuses on the design of a snubber circuit for Solid State Circuit Breaker (SSCB) based on SiC MOSFET. It analyzes the operation principle and pros and cons of existing snubber circuit. Based on the analysis, a novel bidirectional snubber
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5a5f627ba6c96c92a76c3f87ed37fe29
https://doi.org/10.1109/ecce.2018.8557542
https://doi.org/10.1109/ecce.2018.8557542
Publikováno v:
IEEE Transactions on Applied Superconductivity. 21:1284-1287
Operation scheme of cryogenic system is investigated in preparation for temporary loss of cryocooler power in hybrid SFCL. Under normal operation, HTS trigger elements are cooled in liquid nitrogen pool at 77 K and 300 kPa by a GM cryocooler. A step-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8b4b894f6d507d7c2d11dab139e81b86
https://doi.org/10.1109/tasc.2010.2082483
https://doi.org/10.1109/tasc.2010.2082483
Autor:
Seong-Woo Yim, Woo-Seok Kim, Seung-Duck Yu, Seong Eun Yang, Jungwook Sim, Kwon-Bae Park, Ok-Bae Hyun, Hye-Rim Kim, Gyeong-Ho Lee
Publikováno v:
IEEE Transactions on Applied Superconductivity. 21:2131-2134
This paper reports on the operation test of a 22.9 kV hybrid superconducting fault current limiter (SFCL) in the KEPCO test grid. The SFCL works at a rated voltage and current of 22.9 kV and 630 A, respectively. There are two major objectives of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::72eac1106bebcb4b02d5777c929e1a7e
https://doi.org/10.1109/tasc.2010.2089587
https://doi.org/10.1109/tasc.2010.2089587
Autor:
Ho-Myung Chang, Gyong Hyon Lee, Kwon-Bae Park, Il-Sung Oh, Haigun Lee, Jungwook Sim, Jung-Bin Song
Publikováno v:
IEEE Transactions on Applied Superconductivity. 20:2047-2050
New concept of two-stage cryogenic cooling system for full-scale hybrid superconducting fault current limiter (SFCL) is proposed and designed with an objective to significantly reduce the capital and operational costs. Even though we have developed a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::61020b5f83786ffb11c680555a4bc613
https://doi.org/10.1109/tasc.2009.2039862
https://doi.org/10.1109/tasc.2009.2039862
Publikováno v:
IEEE Transactions on Applied Superconductivity. 19:1946-1949
This report presents efforts for introducing a hybrid superconducting fault current limiter (SFCL) associated with the substation upgrade in the Korea Electric Power Corporation (KEPCO) grid and points at issue on the utility demands. The substation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::431c2699c57c28421de748eaa49e2976
https://doi.org/10.1109/tasc.2009.2018256
https://doi.org/10.1109/tasc.2009.2018256
Publikováno v:
IEEE Transactions on Applied Superconductivity. 19:1843-1846
We have investigated reliability enhancement of the fast switch (FS) by using power electronic switches such as integrated gate commutated thyristors (IGCT) in the line commutation type hybrid superconducting fault current limiter (SFCL). The FS util
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a3ad08a110d0fa758024cb3620371d5e
https://doi.org/10.1109/tasc.2009.2018369
https://doi.org/10.1109/tasc.2009.2018369
Autor:
Gyeong-Ho Lee, Young-Geun Kim, Bang-Wook Lee, Kwon-Bae Park, O.-B. Hyun, Il-Sung Oh, Jungwook Sim
Publikováno v:
IEEE Transactions on Applied Superconductivity. 19:1888-1891
Resistive superconducting fault current limiters (SFCL's) are assumed to be a prospective solution for commercialization. But in spite of excellent current limiting performances realized by resistive SFCL's, commercialization and installation of SFCL
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6f48ce3c201ecc28ec6a3d7c69ecb131
https://doi.org/10.1109/tasc.2009.2017873
https://doi.org/10.1109/tasc.2009.2017873
Publikováno v:
IEEE Transactions on Applied Superconductivity. 18:624-627
In order to apply resistive superconducting fault current limiters into electric power systems, the urgent issues to be settled are as follows, such as initial installation price of SFCL, operation and maintenance cost due to ac loss of superconducto
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb3a08c8c1f388bc99a15e4513f3e0a8
https://doi.org/10.1109/tasc.2008.920785
https://doi.org/10.1109/tasc.2008.920785