A reduced-rating hybrid filter to suppress neutral current harmonics in three-phase four-wire systems. - Sewan Choi; Minsoo Jang (IEEE Trans. Ind. Electron., 2004)

A three-phase unity-power-factor diode rectifier with active input current shaping. - Sewan Choi (IEEE Trans. Ind. Electron., 2005)

Analysis and Control of a Single-Phase-Inverter-Zigzag-Transformer Hybrid Neutral-Current Suppressor in Three-Phase Four-Wire Systems. - Sewan Choi; Minsoo Jang (IEEE Trans. Ind. Electron., 2007)

Series Voltage Regulator for a Distribution Transformer to Compensate Voltage Sag/Swell. - Taeyong Kang; Sewan Choi; Ahmed S. Morsy; Prasad N. Enjeti (IEEE Trans. Ind. Electron., 2017)

A Bidirectional Three-Phase Push-Pull Converter With Hybrid PPS-DAPWM Switching Method for High Power and Wide Voltage Range Applications. - Tat-Thang Le; Hyeonju Jeong; Sewan Choi (IEEE Trans. Ind. Electron., 2021)

Open-Circuit Fault-Tolerant Control for a Three-Phase Current-Fed Dual Active Bridge DC-DC Converter. - Tat-Thang Le; Minh-Khai Nguyen; Truong-Duy Duong; Caisheng Wang; Sewan Choi (IEEE Trans. Ind. Electron., 2023)

Bidirectional Six-Pack SiC Boost-Buck Converter Using Droop Control in DC Nano-Grid. - Yeonwoo Kim; Sewan Choi (Sensors, 2023)

High-Efficiency Reconfigurable Single-Stage Bidirectional AC/DC Converter for 50 kW Fast Charger. - Million Gerado Geda; Sunju Kim; Sewan Choi (IEEE Access, 2024)

Single/Three-Phase Compatible Sigma-Type OBC With Reduced Electrolytic Capacitor Volume. - Jaehoon Kim; Donghan Lee; Chaeyoung Suk; Gibum Yu; Sewan Choi (IEEE Trans. Ind. Electron., 2025)

A Compact 17.6 kW Single-/22 kW Three-Phase Compatible EV Charger: Analysis of Active Power Decoupling, Wide Voltage Range Operation. - Jaeyeon Lee; Tat-Thang Le; Heonhee Kim; Sewan Choi (IEEE Trans. Ind. Electron., 2025)