Domestic Journals (KCI & SCOPUS)

 2018-2023
[9] Dong-Jin Lee, Tae-Lim Ryu, and Ui-Min Choi, “Analysis of Power Loss and Thermal Loading of Power Devices of Single-Phase 5-Level T-type NPC PV Inverter under Different Discontinuous Pulse Width Modulation Methods, The Transactions on the Korean Institute of Power Electronics, vol. 28, no. 3, pp. 188-194, June 2023.
[8] Ga-Hyeon Yeo, Jae-Heon Choi, and Ui-Min Choi, “Reliability Analysis of DC-link Capacitor of Photovoltaic NPC Inverter by Application Angle of Discontinuous PWM, The Transactions on the Korean Institute of Power Electronics, vol. 28, no. 3, pp. 195-201, June 2023.
[7] Jae-Heon Choi, and Ui-Min Choi, “Comparative Reliability Analysis of DC-link Capacitor of 3-Level NPC Inverter by considering Mission-Profiles of PV systems, The Transactions on the Korean Institute of Power Electronics, vol. 27, no. 6, pp. 535-540, Dec. 2022.
[6] Jae-Heon Choi, and Ui-Min Choi, “Comparative Analysis of Pulse Width Modulation Methods for Improving the Lifetime of DC-link Capacitors of NPC Inverters, The Transactions on the Korean Institute of Power Electronics, vol. 27, no. 4, pp. 291-296, Aug. 2022.

[5] Taerim Ryu, and Ui-Min Choi, “Lifetime Evaluation of Power Devices of Single-Phase 5-Level NPC Inverters considering Mission Profile of PV Systems, The Transactions on the Korean Institute of Power Electronics, vol. 27, no. 3, June 2022.
[4] Taerim Ryu, and Ui-Min Choi, “Effect of Pulse Width Modulation Methods on Power losses and Thermal Loadings of Single-Phase 5-Level NPC Inverters for PV Systems,” The Transactions on the Korean Institute of Power Electronics, vol. 27, no. 1, Feb. 2022.
[3] June-Seok Lee, and Ui-Min Choi, “Control-Dependent Lifetime Comparison of IGBT Module Used in Propulsion System of Urban Railway Vehicle, Journal of Korean Society for Railway, vol. 23, no. 10, Oct. 2020.
[2] Ui-Min Choi, Jin-Hyuk Park, Myung-Yong Kim, and June-Seok Lee, “Operation-Profile Based Lifetime Evaluation of Power Devices in Solid-State Transformer for Urban Railway Vehicles, The Transactions on the Korean Institute of Power Electronics, vol. 25, no. 6, Dec. 2020.
[1] Ui-Min Choi, and June-Seok Lee, “Condition Monitoring of Reliability-Critical Components in Power Electronic Systems ,” The Transactions on the Korean Institute of Power Electronics, vol. 24, no. 4, Aug. 2019.