Faculty/Research

Research Groups

전기 에너지 변환 연구실

Electric Energy Conversion Lab.

Prof. : Prof. Ha, Jung-Ik

Research Area : 전기에너지 시스템



  • About the Laboratory & Research Area
  • . Electric Energy Conversion Technology
    - Electrical , Mechanical, and Thermal Energy Conversion with Electronics
    - Energy Efficiency, Cost Reduction, Performance, and Optimization
    . Application Fields
    - Home, Factory, Vehicle, Building, Power Generation, and so on.
    . Technology Scopes
    - Energy System Planning Control
    - Energy Conversion Machine Design and Analysis
    - Measurements and Conversion Circuits
    - Conversion Control
    - Energy Network and Smart Grid End Use Technology
    . Collaborative Works with Other Fields
    - In Electrical Engineering, Machine Design, Power System, Control, Computing, and Semiconductor
    - In Engineering and Science, Mechanical Engineering - Mechanism, Dynamics, Heat, and Manufacturing
    : Material Science - Model, Design, Process
  • Research Interests & Projects
  • ▶ 최근 관심분야
    - Small-sized Power Systems : Capacitorless inverter, dual motor drive
    - Renewable Energy Conversion Systems
    - Motor Control : Sensorless control, Dual inverter topology for EV/HEV
    - Integrated Machine

    ▶ 주요 연구과제
    - 전해캡이 없는 전동기 구동 시스템 : LG 전자
    - Multi-string 태양광 발전 시스템 : LS 산전
    - Dual motor drive, integrated machine : 삼성전자
    - 센서리스 전동기 제어 : LG 전자, 삼성 태크윈
    - 전기자동차 용 인버터 시스템 및 제어 기술 개발 : 만도
  • Journals & Patents
  • ▶ 논문
    - Jaeyong Park; Sungho Jung; Jung-Ik Ha, “Variable Time Step Control for Six-Step Operation in Surface Mounted Permanent Magnet Machine Drives,” IEEE Transactions on Power Electronics, vol. 33, no. 2, pp.1501-1513, 2018.

    - Yongsu Han and Jung-Ik Ha, “Control Method of Double Inverter Fed Wound Machine for Minimizing Copper Loss in Maximized Operating Area,” IEEE Transactions on Industrial Electronics, vol.64, no.10, pp.7700-7710, 2017.

    - Euihoon Chung; Kyung-Hwan Lee; Yongsu Han; Jung-Ik Ha, “Single-Switch High-Frequency DC–DC Converter Using Parasitic Components,” IEEE Transactions on Power Electronics, vol. 32, no. 5, pp. 3651 – 3661, 2017.

    - Jun Lee and Jung-Ik Ha, “Direction Priority Control Method for Magnetic Manipulation System in Current and Voltage Limits,” IEEE Transactions on Industrial Electronics, vol. 64, no. 4, pp. 2914 – 2923, 2017.

    - Kyung-Hwan Lee, Euihoon Chung, Yongsu Han, and Jung-Ik Ha, “A Family of High-Frequency Single-Switch DC–DC Converters With Low Switch Voltage Stress Based on Impedance Networks,” IEEE Transactions on Power Electronics, vol. 32, no. 4, pp. 2913 – 2924, 2017.

    - Woo Je Chang, Kyung-Hwan Lee, Heonjin Ha, Kyoungsuk Jin, Gunho Kim, Sun-Tae Hwang, Heon-min Lee, Seh-Won Ahn, Wonki Yoon, Hongmin Seo, Jung Sug Hong, Yoo Kyung Go, Jung-Ik Ha, and Ki Tae Nam, “Design Principle and Loss Engineering for Photovoltaic–Electrolysis Cell System,” ACS Omega, vol. 2, no.3, pp 1009–1018, 2017

    - Hojoon Shin, Young-Ho Chae, Yeongrack Son, and Jung-Ik Ha, “Single-Phase Grid-Connected Motor Drive System With DC-Link Shunt Compensator and Small DC-Link Capacitor,” IEEE Transactions on Power Electronics, vol. 32, no. 2, pp. 1268 – 1278, 2017.

    - Kahyun Lee and Jung-Ik Ha, “Single-Phase Inverter Drive for Interior Permanent Magnet Machines,” IEEE Transactions on Power Electronics, vol. 32, no. 2, pp. 1355 – 1366, 2017.

    - Hojoon Shin, Yeongrack Son, and Jung-Ik Ha, “Grid Current Shaping Method with DC-Link Shunt Compensator for Three-Phase Diode Rectifier-Fed Motor Drive System,” IEEE Transactions on Power Electronics, vol. 32, no. 2, pp. 1279 – 1288, 2017.

    - Yeongrack Son and Jung-Ik Ha, “Discontinuous Grid Current Control of Motor Drive System With Single-Phase Diode Rectifier and Small DC-Link Capacitor,” IEEE Transactions on Power Electronics, vol. 32, no. 2, pp. 1324 – 1334, 2017.

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