Achievements

S. Choi, E. Chung, G. C. Lim, J. -S. Hong, G. -Y. Choe and J. -I. Ha, "Single-Sided Compensation Network Design Method for Capacitive Power Transfer System Considering Coupling Variation," in IEEE Transactions on Industry Applications, vol. 60, no. 4, pp. 6351-6365, July-Aug. 2024

E. Chung and J. -I. Ha, "Impedance Matching Network Design for 6.78-MHz Wireless Power Transfer System With Constant Power Characteristics Against Misalignment," in IEEE Transactions on Power Electronics, vol. 39, no. 1, pp. 1788-1801, Jan. 2024

E. Chung, J. -I. Ha, A. A. Bastami and D. J. Perreault, "Impedance Compressing Matching Network Based on Two-Port Network Analysis for Wireless Power Transfer System," in IEEE Journal of Emerging and Selected Topics in Industrial Electronics, vol. 3, no. 3, pp. 432-442, July 2022

H. Shin, E. Chung, J.-I Ha, "Cost-Effective High-Performance Digital Control Method in Series-Series Compensated Wireless Power Transfer System", Electronics 2020, 9, 1772.

E. Chung, K. -H. Lee, Y. Han and J. -I. Ha, "Single-Switch High-Frequency DC–DC Converter Using Parasitic Components," in IEEE Transactions on Power Electronics, vol. 32, no. 5, pp. 3651-3661, May 2017

K. -H. Lee, E. Chung, Y. Han and J. -I. Ha, "A Family of High-Frequency Single-Switch DC–DC Converters With Low Switch Voltage Stress Based on Impedance Networks," in IEEE Transactions on Power Electronics, vol. 32, no. 4, pp. 2913-2924, April 2017

T. Ryu and E. Chung, "Pareto-Optimal Design Method for DAB Converter Considering Balanced Performance Across Wide Operating Ranges" 2026 IEEE Applied Power Electronics Conference and Exposition (APEC), San Antonio, TX, USA, 2026 (to be published)

H. Lee, Y. Park and E. Chung, "A 22-kW Three-Phase Wireless Charging System Capable of Independent Phase Control" 2026 IEEE Applied Power Electronics Conference and Exposition (APEC), San Antonio, TX, USA, 2026 (to be published)

S. Choi, E. Chung, G. C. Lim, T. Joung and J. -I. Ha, "10 kW Small-Gap Wireless Power Transfer System with Asymmetric Pads for Electric Vehicles," 2024 IEEE Wireless Power Technology Conference and Expo (WPTCE), Kyoto, Japan, 2024

J. Lee, S. Choi, E. Chung and J. -I. Ha, "Design Method of Impedance Transformation Network for Robust Resonant Power Converters with Wide Load Impedance Variation," 2024 IEEE Applied Power Electronics Conference and Exposition (APEC), Long Beach, CA, USA, 2024, pp. 101-106

S. Choi, E. Chung, J. Hong and J. I. Ha, “Compensation Network Design Method for Capacitive Power Transfer System Considering Coupling Variation”, in Proc. IEEE ECCE, 2022.

E. Chung and J. I. Ha, “Resonant Network Design Methodology Based on Two-Port Network Analysis Considering Load Impedance Variation”, in Proc. IEEE ECCE, 2019

E. Chung, G. C. Lim, David J. Perreault, and J. I. Ha, “Resonant Converter Design Using Two-Port Passive Network: Single Frequency Design”, in Proc. IEEE COMPEL, 2018, pp. 1-7。

E. Chung, G. C. Lim, J. I. Ha and K. Y. Kim, “Output voltage control for series-series compensated wireless power transfer system without direct feedback from measurement or communication”, in Proc. IEEE ECCE, 2017, pp. 4035-4040.

S. Jung, J. Park, E. Chung and J. I. Ha, “Variable time step control with synchronous PWM in low frequency modulation index for AC machine drive”, in Proc. IEEE ECCE, 2016, pp. 1-8.

E. Chung, K. H. Lee, Y. Han and J. I. Ha, “Design of single switch DC-DC converter with parasitic parameters”, in Proc. IEEE ECCE, 2015, pp. 1455-1460.

K. H. Lee, E. Chung, Y. Han and J. I. Ha, “Design and control of 10-MHz class E DC-DC converter with reduced voltage stress”, in Proc. IEEE ECCE, 2015, pp. 4257-4263.

Y. Han, K. H. Lee, E. Chung and J. I. Ha, “Output impedance network based design in 10MHz isolated DC-DC converter of Class Φ2”, in Proc. IEEE ICPE, 2015, pp. 2656-2662

E. Chung, J. Lee and J. I. Ha, "System conditions monitoring method for a wireless cellular phone charger," in Proc. IEEE PEAC, 2014, pp. 639-643.