Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Geun-Yong Park"'
Publikováno v:
Journal of Electrical Engineering and Technology. 11:100-108
This paper presents a simple high efficiency full-bridge DC-DC converter using a series resonant capacitor. The proposed converter achieves the zero voltage switching of the primary switches under a wide range of load conditions and reduces the high
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::74add1a13d353a7754f90fa6ccb32b73
https://doi.org/10.5370/jeet.2016.11.1.100
https://doi.org/10.5370/jeet.2016.11.1.100
Publikováno v:
International Journal of Control and Automation. 7:267-278
This paper proposes a high power full-bridge DC-DC converter, using a center-tapped transformer and a full-wave type rectifier. The proposed converter realizes unipolar primary voltage switching, using the unipolar pulse-width modulation (PWM) techni
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e76d3b9d95b5c2bea9044754bad7b6be
https://doi.org/10.14257/ijca.2014.7.4.23
https://doi.org/10.14257/ijca.2014.7.4.23
Publikováno v:
Journal of Soil and Groundwater Environment. 18:6-15
The influence of processing fluids and electrode spacing on the electrokinetic process was evaluated to remediate As-, Cu-, Pb-contaminated soil. Single and mixture of sodium citrate, EDTA and NaOH was used to investigate the metal extraction. EDTA f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::773d74801ab48c1eaf359771bfe0fadb
https://doi.org/10.7857/jsge.2013.18.1.006
https://doi.org/10.7857/jsge.2013.18.1.006
Publikováno v:
Electrochimica Acta. 86:89-95
We evaluated the influence of electrode configuration on in situ electrokinetic remediation of As-, Cu-, and Pb-contaminated soil in a pilot-scale field application. Dense electrode configurations resulted in high current under a constant voltage gra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a5178298798beb4105e1d65f30561b80
https://doi.org/10.1016/j.electacta.2012.02.078
https://doi.org/10.1016/j.electacta.2012.02.078
Publikováno v:
Separation and Purification Technology. 79:170-176
We carried out electrokinetic remediation with electrolyte conditioning and pretreatment using acidic and basic solutions to remediate Cu-, As-, and Pb-contaminated soil on a laboratory scale. Under given conditions the soil pH was made more acidic o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6e84062d03d4e04ab3649d71e6816ea1
https://doi.org/10.1016/j.seppur.2011.02.025
https://doi.org/10.1016/j.seppur.2011.02.025
Publikováno v:
Korean Journal of Chemical Engineering. 28:1047-1053
Mixed nonionic and cationic surfactants were used to enhance the reductive dechlorination rate of trichloro- ethylene (TCE) with zero valent iron (ZVI). Among tested combinations of four cationic and three nonionic surfactants, a mixed surfactant sys
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2ced2428d0791d569da86dce993ee0c2
https://doi.org/10.1007/s11814-010-0473-3
https://doi.org/10.1007/s11814-010-0473-3
Publikováno v:
Separation Science and Technology. 45:1982-1987
In the study, a preliminary experiment on the removal of heavy metals from industrial wastewater sludge was carried out to evaluate the feasibility of electrokinetic separation. Four different types of processing fluid—tap water, ethylenediaminetet
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b0f4ade66f2b2b9ac765345fc7834a6a
https://doi.org/10.1080/01496395.2010.493836
https://doi.org/10.1080/01496395.2010.493836
Autor:
Geun-Yong Park, Gang-Youl Jeong
Publikováno v:
Advanced Science and Technology Letters.
This paper proposes asingle-switch LED driver with the function of power factor correction (PFC). The proposed driver uses a single-switch power conversion circuit topology which are the boost converter and the flyback converter into. The proposed co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6b276981451d3e82378a34aea52970fb
https://doi.org/10.14257/astl.2014.51.05
https://doi.org/10.14257/astl.2014.51.05
Autor:
Geun-Yong Park, Bum-Jin Kim, Sung-Woo Kim, Su-Han Kwon, Doo-Hee Yoo, Gang-Youl Jeong, Min-Gi Kim, Sung-Min Kim
Publikováno v:
Interdisciplinary Research Theory and Technology.
This paper proposes ahigh power DC-DC converter using thephasedisplacement(PD) pulse-width modulation (PWM) technique and resonant circuit. The proposed converter realizes the unipolar PWM switching using the PDPWM technique and thus achieves high ef
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2b1bef7f1d34e31fb1a8fdf1726009e8
https://doi.org/10.14257/astl.2013.29.39
https://doi.org/10.14257/astl.2013.29.39
Autor:
Geun-Yong Park, Sung-Min Kim, Bum-Jin Kim, Min-Gi Kim, Su-Han Kwon, Sung-Woo Kim, Doo-Hee Yoo, Gang-Youl Jeong
Publikováno v:
Interdisciplinary Research Theory and Technology.
Because the conventional full-bridge AC-DC power converter using the phase-shift PWM technique has advantages that the switching loss decreases by zero voltage switching (ZVS) of the primary main switches, the converter has been widely used in indust
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::882333ecd87ba20e2e1e52a5d6468683
https://doi.org/10.14257/astl.2013.29.16
https://doi.org/10.14257/astl.2013.29.16