EDUCATION

(1979-1983) Bachelor of Science in Electrical Engineering, SEOUL NATIONAL UNIVERSITY

(1988-1990) Master of Science in Electrical Engineering, TEXAS UNIVERSITY AT ARLINGTON.

(1990-1994) Doctor of Philosophy in Electrical Engineering, VIRGINIA POLYTECHNIC INSTITUTE AND STATE UNIVERSITY

MAIN AREA OF RESEARCH INTEREST

Energy conversion systems for renewable energy. Power electronics and Solar energy system, control, signal processing, and real-time microprocessor-based systems.

EXPERIENCES

(1982-1988) Research Engineer in Ewha Technology Information

(1995-2000) Research Engineer in Korea Institute of Science and Technology

(2000-present) Professor in KWANGWOON UNIVERSITY

- Publication editor

Journal of Power Electronics

- Associate editor

Journal of the Korean Solar Energy Society.

RESEARCH PROJECTS (SELECTED)

2008-2013 태양전지·연료전지 응용 로봇용 초소형 전력변환장치 개발

2011-2013 계통연계 및 독립발전이 가능한 자립형 태양광 4KW 개발

JOURNAL PUBLICATIONS (SELECTED)

J.H. Shim, J.Y. Choi, and I. Choy, S.C. LEE, and D.H. LEE, "A Novel Maximum Power Point Tracking Algorithm Considering the partially in PV generation system" Journal of the Korean Solar Energy Society - , June 2012

D.H. Kim, S.H. Jung, S.H. Song, J.Y. Choi, I. Choy, J.U. An, S.C. LEE, and D.H. LEE, "Comparative Study between Twp-loop and Single-loop Control of DC/DC Conveter for PVPCS" Journal of the Korean Solar Energy Society - March 2012

Jung, S.H. Song, J.Y. Choi, I. Choy, J.U. An, S.C. LEE, and D.H. LEE, "Small-signal Modeling and Controller Design of Buck Converter for Photovoltaic Power Conditioning System" Journal of Power Electronics - July 2012

B.H. Park, S.M. Kim, J.Y. Choi, I. Choy and Y.K. LEE, "DC Offset Current Compensation Method of Transformerless Fuel Cell/PV PCS" Journal of the Korean Solar Energy Society - June 2012

S.M. Kim, B.H. Park, J.Y. Choi, I. Choy, S.C. LEE, and D.H. LEE, "PV MPPT with Battery Charger & Inductive Load Using Single Current Sensor" Journal of Power Electronics - July 2013

S.D. Yang, S.M. Kim, B.H. Park, J.Y. Choi, I. Choy, S.C. LEE, and D.H. LEE, "A Compensation of the Grid Current Unbalance and Distortion caused by the Grid Voltage Unbalance and Distortion in 3-Phase Bi-Directional DC to AC Inverter" Journal of Power Electronics - April 2013