. 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
- 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.