Publications

International Journal Paper

[8] J. Lee, J. Jung*, and S. Sul, "Suppression of AC Coupling Effects on HVDC Transmission System Based on MMC," IEEE Trans. Power Electronic., May. 2024. (Early access article)
[7] J. Yoo, J. Lee*, and S. Sul, "FEA-Assisted Experimental Parameter Map Identification of Induction Motor for Wide-Range Field-Oriented Control," IEEE Trans. Power Electronic., vol. 39. no. 1., pp. 1353-1363, Jan. 2024.
[6] J. Lee, Y. Kwon, and S. Sul, “High-Fidelity Induction Motor Simulation Model Based on Finite Element Analysis,” IEEE Trans. Ind. Electron., vol. 69, no. 10, pp.9872-9883, Oct. 2022.
[5] J. Lee and S. Sul, "Inverter Nonlinearity Compensation Through Deadtime Effect Estimation," IEEE Trans. Power. Electron., vol. 36, no. 9, pp.10684-10694, Sept. 2021.
[4] J. Lee, J. Jung, and S. Sul, "Balancing of Submodule Capacitor Voltage of Hybrid Modular Multilevel Converter (MMC) under DC Bus Voltage Variation of HVDC system," IEEE Trans. Power. Electron., vol. 34, no. 11, pp.10458-10470, Nov. 2019.
[3] S. Cui, J. Lee, J. Ju, R. W. De Doncker, and S. Sul, "A Modular Multilevel Converter with a Zigzag Transformer for Bipolar MVDC Distribution Systems," IEEE Trans. Power. Electron., vol. 34, no. 2, pp. 1038-1043, Feb. 2019.
[2] J. Jung, J. Lee, S. Sul, G. Son, Y. Chung, "DC capacitor voltage balancing control for delta-connected cascaded H-bridge STATCOM considering unbalanced grid and load conditions,” IEEE Trans. Power. Electron., vol. 33, no. 6, pp. 4726-4735, Jun. 2018.
[1] J. Jung, S. Cui, J. Lee, and S.-K. Sul, “A new topology of multilevel VSC converter for a hybrid HVDC transmission system,” IEEE Trans. Power. Electron., vol. 32, no. 6, pp. 4199–4209, Jun. 2017.

International Conference Paper

[10] J. Yoo, J. Lee, and S. Sul, “FEA-Assisted Experimental Parameter Identification of Induction Motor,” in Proc. 2022 International Power Electronics Conference (IPEC-Himeji 2022-ECCE Asia), May. 2022, Himeji, Japan, pp. 789–794.
[9] J. Lee, and S. Sul, “Skin Effect of Squirrel Cage Induction Motor under High-Frequency Signal Injection,” in Proc. IEEE Energy Convers. Congr. Expo., Oct. 2021, Vancouver, Canada, pp. 4737–4742.
[8] J. Lee and S. Sul, “Compensation of Nonlinearity of Inverter through Estimation of Dead Time Effect,” 2020 IEEE International Power Electronics and Motion Control Conference (IPEMC), Nanjing, China, 2020.
[7] J. Lee and S. Sul, “Inverter Nonlinearity Compensation of Discontinuous PWM Considering Voltage Drop of Power Semiconductor and Dead Time Effect,” in Proc. IEEE Energy Convers. Congr. Expo., Oct. 2020, USA.
[6] J. Lee, Y. Kwon, and S. Sul, “Extending Operational Range for Low-Cost Motor Drive Systems by Mitigating Narrow Pulse Effect,” in Proc. 2019 IEEE transportation Electrification Conference and Expo (ITEC), Jun. 2019, USA, pp. 1–6.
[5] J. Lee, J. Jung, and S. Sul, “Asymmetric Mixed Modular Multilevel Converter Topology in Hybrid Bipolar HVDC Transmission Systems,” in Proc. 2018 International Power Electronics Conference (IPEC-Niigata 2018-ECCE Asia), May. 2018, Niigata, Japan, pp. 3557–3563.
[4] J. Jung, J. Lee, and S. Sul, “Asymmetric mixed modular multilevel converter topology in bipolar HVDC transmission systems,” in Proc. IEEE Energy Convers. Congr. Expo., Oct. 2017, Cincinnati, OH, USA, pp. 1615–1621.
[3] J. Lee, J. Jung, and S. Sul, “Analysis and mitigation of AC coupling effects on overhead line of modular multilevel converter (MMC) based HVDC transmission system,” in Proc. IEEE Energy Convers. Congr. Expo., Oct. 2017, Cincinnati, OH, USA, pp. 97–104.
[2] J. Jung, J. Lee, and S. Sul, “DC capacitor voltage balancing control for delta-connected cascaded h-bridge STATCOM considering the unbalanced grid and load conditions,” in Proc. IEEE Energy Convers. Congr. Expo., Sep. 2016, Milwaukee, WI, USA, pp. 1–8.
[1] J. Lee, J. Jung, and S. Sul, “A Cell Capacitor Balancing Control of Hybrid Modular Multilevel Converter (MMC) under Power Flow Variation of HVDC Transmission System,” in Proc. 2nd International HVDC Conference, Oct. 2016, Shanghai, China.

Domestic Conference Paper

[2] 유재현, 이준희, “Full-bridge MMC 기반 MVDC 시스템의 DC 버스 고장전류 계산,” 전력전자학회 학술대회 논문집, 2023, pp. 140–142.
[1] 이준희, 정재정, 설승기, “반복제어기를 활용한 CHB-STATCOM의 고조파 전류 보상,” 전력전자학회 학술대회 논문집, 2016, pp. 149–150.