Search Results - "Chanjoo Lee"

Flow structure around an actual willow patch under different depth conditions by Lee, Chanjoo, Kim, Donggu, Kim, Sungjung, Ji, Un, Kim, Jihyun, Ko, Dongwoo

“…Vegetation is one of the key factors in river management where environmental aspects as well as flood protection should be taken into consideration. Because of…”
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Development of a 13.2 kV/630 A (8.3 MVA) High Temperature Superconducting Fault Current Limiter by KANG, Hyoungku, LEE, Chanjoo, NAM, Kwanwoo, YONG SOO YOON, CHANG, Ho-Myung, TAE KUK KO, SEOK, Bok-Yeol

“…This paper deals with fabrication and development of a high temperature superconducting (HTS) fault current limiter (FCL) based on YBCO coated conductor (CC)…”
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Thermal and Electrical Analysis of Coated Conductor Under AC Over-Current by NAM, Kwanwoo, LEE, Chanjoo, DONG KEUN PARK, TAE KUK KO, SEOK, Bok-Yeol

“…In order to design a high temperature superconducting (HTS) winding for the fault current limiter (FCL), the resistance and the temperature of the winding…”
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Determination of Maximum Permissible Temperature Rise Considering Repetitive Over-Current Characteristics of YBCO Coated Conductors by MIN JAE KIM, MIN CHEOL AHN, SEONG EUN YANG, DONG KEUN PARK, YOUNG JAE KIM, TAE KUK KO, LEE, Chanjoo, SEOK, Bok-Yeol

“…Here we suggest stable maximum temperature criteria of YBCO coated conductors (CCs) considering degradation of YBCO by repetitive exposure to excessive…”
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Electrical Breakdown Characteristics of Superconducting Magnet System in Sub-Cooled Liquid Nitrogen by Kang, Hyoungku, Lee, Chanjoo, Ko, Tae Kuk, Seok, Bok-Yeol

“…Dielectric characteristics of gaseous helium (GHe) injected into the cooling system to make sub-cooled nitrogen condition with constant pressure is found to be…”
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Quench Characteristics of High Temperature Superconducting Coil for Fault Current Limiting Application by LEE, Chanjoo, KANG, Hyoungku, NAM, Kwanwoo, TAE KUK KO, SEOK, Bok-Yeol

“…Hyundai Heavy Industries Co., Ltd. (HHI) has developed a prototype of high temperature superconducting (HTS) fault current limiter (FCL) in Dec. 2006. The…”
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Visualization Study on Boiling of Nitrogen During Quench for Fault Current Limiter Applications by Kwanwoo Nam, Kang, H., Chanjoo Lee, Tae Kuk Ko, Bok-Yeol Seok

“…For the development of a 13.2 kV/630 A bifilar winding type high-Tc superconducting fault current limiter (SFCL), a visualization study has been conducted to…”
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Dielectric Tests of Superconducting Coils for Development of High Voltage Superconducting Machines by KANG, Hyoungku, LEE, Chanjoo, SEONG EUN YANG, TAE KUK KO, SEOK, Bok-Yeol

“…This paper deals with the dielectric breakdown characteristics of superconducting coils for development of high voltage superconducting machines such as…”
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Manufacture and Test of Small-Scale Superconducting Fault Current Limiter by Using the Bifilar Winding of Coated Conductor by Ahn, M.C., Bae, D.K., Yang, S.E., Park, D.K., Ko, T.K., Lee, C., Seok, B.-Y., Chang, H.-M.

“…Superconducting fault current limiters (SFCLs) have been developed by many research groups. However, there is no standard for current limiting device…”
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Design of a High Temperature Superconducting Coil for a 8.3 MVA Fault Current Limiter by LEE, Chanjoo, NAM, Kwanwoo, KANG, Hyoungku, MIN CHEOL AHN, TAE KUK KO, SEOK, Bok-Yeol

“…In this study, a high temperature superconducting (HTS) coil is designed for a single phase 8.3 MVA fault current limiter (FCL) whose ratings are 13.2 kV in…”
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Electrical Insulation Design of 13.2 kV/630 A Bifilar Winding Type HTS Fault Current Limiter by SEOK, Bok-Yeol, KANG, Hyoungku, LEE, Chanjoo, NAM, Kwanwoo, KIM, Yong-Han, TAE KUK KO

“…In this study, electrical insulation design for the development of 13.2 kV/630 A bifilar winding type high temperature superconducting (HTS) fault current…”
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Design of the 3 phase 60 MVA HTS transformer with YBCO coated conductor windings by Lee, C., Soek, B.-Y.

“…In this paper, a 3 phase 60 MVA high temperature superconducting (HTS) transformer was designed with YBCO coated conductor windings and its characteristics…”
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Flow and wake characteristics associated with riparian vegetation patches: Results from field‐scale experiments by Caroppi, Gerardo, Västilä, Kaisa, Järvelä, Juha, Lee, Chanjoo, Ji, Un, Kim, Hyung Suk, Kim, Sungjung

“…Riparian vegetation patches growing on river banks and floodplains influence in‐channel and overbank hydromorphological processes. The current knowledge on…”
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Bio‐geomorphic alteration through shifting flow regime in a modified monsoonal river system in Korea by Lee, Chanjoo, Choi, Hun, Kim, Donggu, van Oorschot, Mijke, Penning, Ellis, Geerling, Gertjan

“…River processes and patterns are affected by changes in the watershed driven by natural and human‐induced causes. A sudden pattern alteration from a “white…”
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A study on mitigation method of perpendicular magnetic field in HTS superconducting coils for power transformer by Seok, B.-Y., Lee, C.

“…Methods to mitigate a perpendicular magnetic field component on the surface of a high temperature superconducting (HTS) tape in HTS coils by arranging low…”
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Manufacture and Test of the Bifilar Wound Coil Using Coated Conductor With Stainless Steel Stabilizer by Yang, Seong Eun, Park, Dong Keun, Ahn, Min Cheol, Kim, Yeong Sik, Kim, Min Jae, Yoon, Yong Soo, Lee, Chanjoo, Seok, Bock-Yeol, Ko, Tae Kuk

“…Worldwide development of superconducting power equipments by exploiting the 2G wire is continuously ongoing; moreover, superconductor wire manufacturing…”
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Stability analysis of a power system with superconducting fault current limiter installed by LEE, Seungje, LEE, Chanjoo, TAE KUK KO, HYUN, Okbae

“…As a process of developing high temperature superconducting fault current limiter (SFCL), the stability of a power system in which SFCLs were installed was…”
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Development of 220 V/300 A Class Non-Inductive Winding Type Fault Current Limiter Using 2G HTS Wire by Park, Dong Keun, Ahn, Min Cheol, Yang, Seong Eun, Yoon, Yong Soo, Seok, Bok-Yeol, Lee, Chanjoo, Chang, Ho-Myung, Ko, Tae Kuk

“…As a part of the 21st Century Frontier R&D Program in Korea being performed from 2004, a non-inductive winding type superconducting fault current limiter…”
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OPTIMAL THRESHOLDS FOR AMBULATORY BLOOD PRESSURE IN PATIENTS WITH HIGH CARDIOVASCULAR RISK by Jaehyung, Ha, Chanjoo, Lee, Hyoeun, Kim, Kyeong-Hyeon, Chun, Jaewon, Oh, Sang-Hak, Lee, Seok-Min, Kang, Sungha, Park

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Development of a HTS Magnet System for Long-Run Operation Test in Sub-Cooled Nitrogen by Tae Jung Kim, Kang, H., Min Cheol Ahn, Chanjoo Lee, Duck Kweon Bae, Bok-Yeol Seok, Ho-Myung Chang, Tae Kuk Ko

“…This paper deals with the development of a 6.6 kV/200A HTS magnet for inductive superconducting fault current limiter (SFCL) that uses a sub-cooled nitrogen…”
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