Zobrazeno 1 - 10
of 63
pro vyhledávání: '"Nam-Sup Choi"'
Publikováno v:
Journal of the Korean Institute of Illuminating and Electrical Installation Engineers. 36:49-55
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0d10ab728aed36cdf6cf5ee969706f64
https://doi.org/10.5207/jieie.2022.36.9.049
https://doi.org/10.5207/jieie.2022.36.9.049
Publikováno v:
Journal of Korean Institute of Intelligent Systems. 31:238-243
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ad78a6fcdadebd886fdcf6ad9080a0c5
https://doi.org/10.5391/jkiis.2021.31.3.238
https://doi.org/10.5391/jkiis.2021.31.3.238
Publikováno v:
Journal of Electrical Engineering and Technology. 11:393-404
In this paper, a carrier-based pulse with modulation (PWM) strategy for three-phase three- level inverter is dealt with, which can keep the common mode voltage constant with minimized switching frequency. The voltage gain and the switching frequency
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d6e9cf9e16f24d77972af72096ef5701
https://doi.org/10.5370/jeet.2016.11.2.393
https://doi.org/10.5370/jeet.2016.11.2.393
Publikováno v:
The Transactions of the Korean Institute of Power Electronics. 20:509-516
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::69d788ebb37e421f01030a5d621d48d8
https://doi.org/10.6113/tkpe.2015.20.6.509
https://doi.org/10.6113/tkpe.2015.20.6.509
Publikováno v:
IEEE Transactions on Power Electronics. 29:4058-4066
This paper proposes a new bidirectional intelligent semiconductor transformer (BIST) for the smart distribution system and smart grid. The proposed BIST consists of high-voltage high-frequency ac/dc converter, bidirectional low-voltage dc/dc converte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4eefccea0e1708c95b854ddb36c1fc2e
https://doi.org/10.1109/tpel.2013.2284009
https://doi.org/10.1109/tpel.2013.2284009
Publikováno v:
The Transactions of The Korean Institute of Electrical Engineers. 62:1678-1687
This paper describes a prototype of 3-phase 3.3kV/220V 6kVA modular semiconductor transformer developed in the lab for feasibility study. The developed prototype is composed of three single-phase units coupled in Y-connection. Each single-phase unit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7a176292a2f6ad2b298592916f9f11d3
https://doi.org/10.5370/kiee.2013.62.12.1678
https://doi.org/10.5370/kiee.2013.62.12.1678
Publikováno v:
The Transactions of the Korean Institute of Power Electronics. 18:169-177
This paper proposes a new configuration of bidirectional intelligent semiconductor transformer with rating of 1.9kV/127V, 2kVA. The proposed transformer consists of high-voltage high-frequency AC-DC rectifier, and low-voltage DC-DC and DC-AC converte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4047cf1f23e6946b1a5fac62340cbe75
https://doi.org/10.6113/tkpe.2013.18.2.169
https://doi.org/10.6113/tkpe.2013.18.2.169
Publikováno v:
2016 IEEE 8th International Power Electronics and Motion Control Conference (IPEMC-ECCE Asia).
This paper proposes a new space vector pulse-width modulation (PWM) for common mode (CM) voltage reduction and neutral point (NP) voltage balancing in three-level converters. In case of unbalanced NP voltage, a group of the space vectors that increas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8a6b0179ef634be6ea5b5f04d1d52174
https://doi.org/10.1109/ipemc.2016.7512673
https://doi.org/10.1109/ipemc.2016.7512673
Publikováno v:
The Transactions of the Korean Institute of Power Electronics. 17:48-56
This paper deals with power electronic converter education program using LabVIEW. LabVIEW is a graphic based programming language with easy debugging, which is suitable for education program that can be used to study and figure out the operation of p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fa6e53afdba1e8fc808f00bf5a7e8d53
https://doi.org/10.6113/tkpe.2012.17.1.48
https://doi.org/10.6113/tkpe.2012.17.1.48
Publikováno v:
Journal of Power Electronics. 12:24-32
Direct duty-ratio PWM schemes for continuous fault tolerant operation of matrix converter-fed motor drives are presented. The proposed method features simple modular modulation structure based on per output phase concept, which requires no additional
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9e6a88b30b5fec3ceaee5463d0320b3b
https://doi.org/10.6113/jpe.2012.12.1.24
https://doi.org/10.6113/jpe.2012.12.1.24