2025

Hasan Ali Gamal Al-kaf, Kyo-Beum Lee, and Frede Blaabjerg
"Overview of DSP-based Implementation of Machine Learning Methods for Power Electronics and Motor Drives,"
Journal of Power Electronics, in press. -SCIE

Samer Saleh Hakami, Sadeq Ali Qasem Mohammed, and Kyo-Beum Lee
"An Optimized Hybrid Unipolar PWM Technique for Ripple Reduction in Flying Capacitor of 5L-ANPC Converters,"
IEEE Transactions on Industrial Electronics, in press. -SCI

Seok-Kyoon Kim, Sun Lim, and Kyo-Beum Lee
"Disturbance Observer-Based Model-Independent Filtering Technique for Speed Servo Applications via Pole-Zero Cancellation Approach,"
IEEE Transactions on Industrial Electronics, in press. -SCI

Sang-Hyuk Lee, Seok-Kyoon Kim, and Kyo-Beum Lee
"Critical Damping Double Integral Control for PMSM Speed Control Applications via Order Reduction Technique,"
International Journal of Control, Automation and Systems, vol. 23, no. 1, pp. 137-149, 2025. -SCIE

Hye-Won Choi, Yun-Jae Bae, and Kyo-Beum Lee
"Lifetime Extension of DC-Link Capacitors in Three-Level Inverters Based on the Neutral-Point Current,"
Journal of Electrical Engineering & Technology, in press. -SCIE

Seok-Kyoon Kim, Sun Lim, and Kyo-Beum Lee
"Error Dynamics Diagonalization Technique-Based Model-Free Filter Embedding LPF for Servo Drive Applications,"
IEEE Transactions on Power Electronics, vol. 40, no. 1, pp. 764-773, Jan. 2025. -SCI


2024

Sadeq Ali Qasem Mohammed, Hasan Ali Gamal Al-kaf, and Kyo-Beum Lee
"Robust Hybrid Current Control Approach for IPMSM Drives Subjected to System Uncertainty,"
IEEE Transactions on Industrial Electronics, vol. 71, no. 12, pp. 15532-15542, Dec. 2024. -SCI

YoungJong Ko, Ju-Yeon Baek, Eun-Kyeol Shin, and Kyo-Beum Lee
"DC-Link Capacitor RMS Current of CHB Inverter Under Open-Switch Failures,"
Journal of Electrical Engineering & Technology, vol. 19, pp. 4915-4926, Nov. 2024. -SCIE

Bong-Ki Lee, Heon-Su Lee, and Kyo-Beum Lee
"Phase Current Control to Reduce Unbalanced Outputs in Paralleled Inverters,"
Journal of Power Electronics, vol. 24, pp. 1627-1638, Oct. 2024. -SCIE

Hyung-Woo Lee, Hyeon-Jun Park, and Kyo-Beum Lee
"Model‑Based Predictive Torque Control of Open‑End Winding IPMSMs Driven by Direct Self‑Control,"
Journal of Power Electronics, vol. 24, pp. 1617-1627, Oct. 2024. -SCIE

Sang-Hyeon Lee and Kyo-Beum Lee
"Minimization of DC-Link Ripple Current for Enhancing Reliability in Three-Level Voltage Source Inverters,"
Journal of Electrical Engineering & Technology, vol. 19, pp. 4205-4214, Sep. 2024. -SCIE

Sadeq Ali Qasem Mohammed, Samer Saleh Hakami, and Kyo-Beum Lee
"Improved Iterative Learning Control for Three-Level NPC Inverter-Fed PMSM Drives With DC-Link Balancing,"
IEEE Transactions on Industrial Informatics, vol. 20, no. 8, pp. 10554-10564, Aug. 2024. -SCI

Hee-Sung Lim, Seok-Kyoon Kim, and Kyo-Beum Lee
"Model-Free PZC Filter-Based Multi-Loop Speed Controller for Servo Drives,"
Journal of Power Electronics, vol. 24, pp. 1273-1285, Aug. 2024. -SCIE

Hyung-Woo Lee and Kyo-Beum Lee
"Open-Fault Diagnosis and Tolerant Control of a Dual Inverter Fed Open-End Winding Interior Permanent Magnet Synchronous Motor,"
Journal of Power Electronics, vol. 24, no. 7, pp. 1071-1080, Jul. 2024. -SCIE

Samer Saleh Hakami, Laith M. Halabi, and Kyo-Beum Lee
"High Efficiency and Low Complexity Dual-Reference Voltage-Based Pulse Width Modulation for Three-Phase Five-Level HANPC Inverters,"
Journal of Electrical Engineering & Technology, vol. 19, no. 5, pp. 3047-3057, Jul. 2024. -SCIE

Hyung-Woo Lee, Tae-Yong Yoon, and Kyo-Beum Lee
"Model Predictive Control with Space Vector Modulation Based on a Voltage Angle for Driving Open-End Winding IPMSM,"
IEEE Access, vol. 12, pp. 89026-89034, Jun. 2024. -SCIE

Hyung-Woo Lee, Jun-Ho Hwang, and Kyo-Beum Lee
"Simplified Deadbeat Predictive Torque Control Based on Discrete Space Vector Modulation for Driving an Open-End Winding Permanent Magnet Synchronous Motor,"
IEEJ Journal of Industry Applications, vol. 13, no. 3, pp. 308-316, May 2024. -ESCI

Yun-Jae Bae, Hye-Won Choi, Yong-Jin Kang, Cheol-Hyun Park, and Kyo-Beum Lee
"Hardware Implementation of Reliable Designs for Full SiC Inverter-Fed Motor Drive Systems,"
Journal of Power Electronics, vol. 24, pp. 767-777, May 2024. -SCIE

In-Ho Lee, Seong-Mi Park, Young-Hoon Cho, and Kyo-Beum Lee
"Junction Temperature Estimation of Direct-Drive GaN HEMTs in Two-Level Inverters for Driving PMSM Through Power Loss Analysis,"
Journal of Electrical Engineering & Technology, vol. 19, pp. 2205-2216, May 2024. -SCIE

Samer Saleh Hakami and Kyo-Beum Lee
"Modified Predictive Torque Control for Balancing Three-Level NPC Inverter-Fed PMSM Drives,"
Journal of Power Electronics, vol. 24, pp. 586-597, Apr. 2024. -SCIE

Sadeq Ali Qasem Mohammed, Ibrahim Mohd Alsofyani, and Kyo-Beum Lee
"Improved Adaptive CCS-MPCC for Distorted Model Parameters Mitigation of IPMSM Drives,"
IEEE Transactions on Industrial Electronics, vol. 71, no. 4, pp. 3483-3493, Apr. 2024. -SCI

In-Ho Lee and Kyo-Beum Lee
"Junction Temperature Estimation of SiC MOSFETs in Three-Level NPC Inverters,"
Journal of Electrical Engineering & Technology, vol. 19, pp. 1607-1617, Mar. 2024. -SCIE

Ju-Yoen Baek and Kyo-Beum Lee
"Model Predictive Current Control Strategy for Improved Dynamic Response in Cascaded H-Bridge Multilevel Inverters,"
Journal of Electrical Engineering & Technology, vol. 19, pp. 1395-1405, Mar. 2024. -SCIE

Hasan Ali Gamal Al-kaf, Laith M. Halabi, and Kyo-Beum Lee
"A Generalized Integrated MPC-Fuzzy-Neural Network Approach for Multilevel Inverter Fed PMSMs,"
IEEE Transactions on Industrial Informatics, vol. 20, no. 2, pp. 2751-2761, Feb. 2024. -SCI

Hye-Won Choi and Kyo-Beum Lee
"Reduction Method of Circulating Current in Parallel Three-Level Inverters Using Modified Discontinuous Pulse-Width Modulation Based on Interleaving Scheme,"
IEEE Transactions on Power Electronics, vol. 39, no. 2, pp. 2322-2333, Feb. 2024. -SCI

Laith M. Halabi, Samer Saleh Hakami, and Kyo-Beum Lee
"Integrated Voltage Vector–Based SVPWM for Reliability and Performance Enhancement of Five-Level HANPC Inverters,"
IEEE Transactions on Industrial Electronics, vol. 71, no. 2, pp. 1093-1103, Feb. 2024. -SCI

Laith M. Halabi, Ibrahim Mohd Alsofyani, and Kyo-Beum Lee
"Reliable and Effective Fault Diagnosis/Tolerance Technique Using Enhanced Distorted Current–Voltage SVPWM Method for Multilevel Inverters,"
IEEE Transactions on Industry Applications, vol. 60, no. 1, pp. 608-621, Jan./Feb. 2024. -SCI

Hasan Ali Gamal Al-kaf, Jung-Won Lee, and Kyo-Beum Lee
"Fault Detection of NPC Inverter Based on Ensemble Machine Learning Methods,"
Journal of Electrical Engineering & Technology, vol. 19, pp. 285-295, Jan. 2024. -SCIE

Jun-Hyeok Park, Hye-Won Choi, and Kyo-Beum Lee
"Improved Integrated Modulation Strategy for Dual-Parallel Three-Level Inverters to Suppress Leakage Currents,"
IEEE Transactions on Power Electronics, vol. 39, no. 1, pp. 898-910, Jan. 2024. -SCI


2023

Jin-Sung Lee, Sang-Hyeon Lee, In-Ho Lee, Sung-Nam Ju, and Kyo-Beum Lee
"Harmonic Compensated Individual-phase Control of Four-leg Inverters for Microgrid Applications,"
Journal of Power Electronics, vol. 23, no. 9, pp. 1756-1766, Nov. 2023. -SCIE

Won Seok Jung, Seok-Kyoon Kim, and Kyo-Beum Lee
"Single-loop Order Reduction Output Voltage Control with Model-free Filtering for DC/DC Converters,"
Journal of Power Electronics, vol. 23, no. 11, pp. 1643-1653, Nov. 2023. -SCIE

Hyung-Woo Lee, Deog-Ho Lee, and Kyo-Beum Lee
"Differential Mode Voltage Reduction in Dual Inverters Used to Drive Open-End Winding Interior Permanent Magnet Synchronous Motors,"
Journal of Power Electronics, vol. 23, pp. 1473-1482, Oct. 2023. -SCIE

Hye-Won Choi and Kyo-Beum Lee
"Circulating Current Reduction for Parallel-Connected Modular Inverters Based on Suppression of Common-Mode Voltage,"
IEEE Transactions on Power Electronics, vol. 38, no. 9, pp. 11091-11101, Sep. 2023. -SCI

Seok-Kyoon Kim, Sun Lim, and Kyo-Beum Lee
"Nonlinear Damping Output-Feedback Voltage Control for DC/DC Converters via Model-Independent Voltage Derivative Observer,"
IEEE Transactions on Industrial Electronics, vol. 70, no. 8, pp. 7924-7933, Aug. 2023. -SCI

Gi-Heon Jeong, Hyung-Woo Lee, Tae-Yong Yoon, Hyeon-Jun Park, and Kyo-Beum Lee
"Model Predictive Current Control with Modified Discrete Space Vector Modulation for Three-Leg Two-Phase VSI,"
Journal of Power Electronics, vol. 23, pp. 881-891, Jun. 2023. -SCIE

Seok-Kyoon Kim and Kyo-Beum Lee
"Active Second-Order Pole-Zero Cancellation Control for Speed Servo Systems with Current Sensor Fault Tolerance,"
IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 70, no. 6, pp. 2196-2200, Jun. 2023. -SCI

Sze Sing Lee, Yam P. Siwakoti, Reza Barzegarkhoo, and Kyo-Beum Lee
"Five-Level Unity-Gain Active Neutral-Point-Clamped Inverters Designed Using Half-Bridges,"
IEEE Transactions on Industry Applications, vol. 59, no. 3, pp. 3520-3529, May-Jun. 2023. -SCI

Hasan Ali Gamal Al-kaf and Kyo-Beum Lee
"Robust Hybrid Current Controller for Permanent-Magnet Synchronous Motors,"
Journal of Electrical Engineering & Technology, vol. 18, pp. 1863-1872, May 2023. -SCIE

Seok-Kyoon Kim, Sun Lim, and Kyo-Beum Lee
"Feedback Loop Adaptation Speed Feedback Systems for PMSMs via Angle Filtering and Acceleration Stabilization Techniques,"
IEEE Transactions on Industrial Electronics, vol. 70, no. 5, pp. 4416-4426, May 2023. -SCI

Samer Saleh Hakami, Laith M. Halabi, and Kyo-Beum Lee
"Dual-Carrier-Based PWM Method for DC-Link Capacitor Lifetime Extension in Three-Level Hybrid ANPC Inverters,"
IEEE Transactions on Industrial Electronics, vol. 70, no. 4, pp. 3303-3314, Apr. 2023. -SCI

Hye-Won Choi and Kyo-Beum Lee
"Review of Methods for Reducing Circulating Currents in Parallel Connected Modular Inverters,"
Journal of Electrical Engineering & Technology, vol. 18, pp. 1227-1242, Mar. 2023. -SCIE

Samer Saleh Hakami and Kyo-Beum Lee
"Enhanced Predictive Torque Control for Three-Level NPC Inverter-Fed PMSM Drives Based on Optimal Voltage Magnitude Control Method,"
IEEE Transactions on Power Electronics, vol. 38, no. 3, pp. 3725-3738, Mar. 2023. -SCI

Hasan Ali Gamal Al-kaf, Samer Saleh Hakami, and Kyo-Beum Lee
"Hybrid Current Controller for Permanent-Magnet Synchronous Motors Using Robust Switching Techniques,"
IEEE Transactions on Power Electronics, vol. 38, no. 3, pp. 3711-3724, Mar. 2023. -SCI

Seok-Kyoon Kim and Kyo-Beum Lee
"Surface Stabilizing Speed-Tracking Control for PMSMs via Loop Adaptation and Order Reduction Approaches,"
IEEE Journal of Emerging and Selected Topics in Power Electronics, vol. 11, no. 1, pp. 545-555, Feb. 2023. -SCI

Jun-Ho Hwang, Laith M. Halabi, YoungJong Ko, and Kyo-Beum Lee
"Lifetime-Based Fault Tolerant Strategy for Three-Level Hybrid ANPC Inverters,"
Journal of Power Electronics, vol. 23, pp. 363-373, Feb. 2023. -SCIE

Sadeq Ali Qasem Mohammed and Kyo-Beum Lee
"Improved Adaptive Iterative Learning Current Control Approach for IPMSM Drives,"
Journal of Power Electronics, vol. 23, pp. 284-295, Feb. 2023. -SCIE

Hyung-Woo Lee, Sung-Jin Jang, and Kyo-Beum Lee
"Advanced DPWM Method for Switching Loss Reduction in Isolated DC Type Dual Inverter with Open-End Winding IPMSM,"
IEEE Access, vol. 11, pp. 2700-2710, Jan. 2023. -SCIE

Dongho Choi, June-Seok Lee, Young-Seol Lim, and Kyo-Beum Lee
"Priority-Based Model Predictive Control Method for Driving Dual Induction Motors Fed by Five-Leg Inverter,"
IEEE Transactions on Power Electronics, vol. 38, no. 1, pp. 887-900, Jan. 2023. -SCI


2022

Hasan Ali Gamal Al-kaf and Kyo-Beum Lee
"Low Complexity MPC-DSVPWM for Current Control of PMSM Using Neural Network Approach,"
IEEE Access, vol. 10, pp. 132596-132607, Dec. 2022. -SCIE

Ibrahim Mohd Alsofyani and Kyo-Beum Lee
"A Unidirectional Voltage Vector Preselection Strategy for Optimizing Model Predictive Torque Control with Discrete Space Vector Modulation of IPMSM,"
IEEE Transactions on Industrial Electronics, vol. 69, no. 12, pp. 12305-12315, Dec. 2022. -SCI

Jee-Yoon Cha, Eui-Jae Lee, Byeol Han, Kyo-Beum Lee, and Byung-Moon Han
"New Thyristor-based Hybrid DC Circuit Breaker with Reverse Injection of Resonant Current,"
Journal of Power Electronics, vol. 22, pp. 1836-1847, Nov. 2022. -SCIE

Ho Hyun Kang, Ha-Rang Jo, and Kyo-Beum Lee
"Analysis of LCL-Filter Performance in Three-Level Full SiC NPC Inverters with Inductor Core Materials,"
Journal of Electrical Engineering & Technology, vol. 17, pp. 3427-3434, Nov. 2022. -SCIE

Samer Saleh Hakami and Kyo-Beum Lee
"Proper Flying Capacitor Selection for Performance Enhancement of Five-Level Hybrid Active Neutral-Point-Clamped Inverters,"
Journal of Power Electronics, vol. 22, pp. 1687–1698, Oct. 2022. -SCIE

Krishna Ravinchandra, Tan Kheng Suan Freddy, June-Seok Lee, Kyo-Beum Lee, Homer Alan Mantooth, Vinesh Thiruchelvam, and Jerome Ignatius Yuen Yi Xian
"Review of Wide Band-Gap Technology: Power Device, Gate Driver, and Converter Design,"
Journal of Power Electronics, vol. 22, pp. 1398-1413, Aug. 2022. -SCIE

Young Jae Lee, Yeongsu Bak, and Kyo-Beum Lee
"Performance Improvement of Hydraulic Turbine Generation System Using Subdivided Finite Set Model Predictive Current Control,"
Journal of Power Electronics, vol. 22, pp. 1386-1397, Aug. 2022. -SCIE

Seok-Kyoon Kim and Kyo-Beum Lee
"Current-Sensorless Energy-Shaping Output Voltage-Tracking Control for DC/DC Boost Converters with Damping Adaptation Mechanism,"
IEEE Transactions on Power Electronics, vol. 37, no. 8, pp. 9266-9274, Aug. 2022. -SCI

Ye-Seul Park, Hye-Won Choi, Kyo-Beum Lee, and Jung-Won Lee
"Thermal Estimation of Modular Multilevel Converter Submodule Using Deep Regression on GRU and LSTM Network,"
IEEE Access, vol. 10, pp. 75343-75353, Jul. 2022. -SCIE

Deog-Ho Lee, Seok-Kyoon Kim, and Kyo-Beum Lee
"Nonlinear Output-Feedback Speed Servo Systems through Active Damping Injection and Position Filtering Approaches without Current Feedback,"
Journal of Power Electronics, vol. 22, pp. 1199-1208, Jul. 2022. -SCIE

Laith M. Halabi, Ibrahim Mohd Alsofyani, and Kyo-Beum Lee
"Detection of Open-circuit Faults in Multi-level Hybrid Active Neutral Point Clamped Inverters,"
Journal of Electrical Engineering & Technology, vol. 17, pp. 2299-2307, Jul. 2022. -SCIE

Ha-Rang Jo and Kyo-Beum Lee
"Analysis of Lifetime Estimation on the DC‑Link Capacitor in Three‑Level Hybrid ANPC Inverters Under Fault‑Tolerance Control,"
Journal of Electrical Engineering & Technology, vol. 17, pp. 1705–1714, May 2022. -SCIE

Yoon-Gi Oh, Byeol Han, and Kyo-Beum Lee
"Direct Self-Control of Interior Permanent Magnet Synchronous Motors with a Constant Switching Frequency,"
Journal of Electrical Engineering & Technology, vol. 17, pp. 1121-1130, Mar. 2022. -SCIE

Seong-Yun Kim, Ha-Rang Jo, Sungjoon Cho, and Kyo-Beum Lee,
"Estimation of Junction Temperature in a Two-Level Insulated-Gate Bipolar Transistor Inverter for Motor Drives,"
Journal of Electrical Engineering & Technology, vol. 17, pp. 1111-1119, Mar. 2022. -SCIE 

Yeongsu Bak, Young Jae Lee, and Kyo-Beum Lee,
"Dynamic Characteristic Improvement of Phase-Shift Full-Bridge Center-Tapped Converters Using a Model Predictive Control,"
IEEE Transactions on Industrial Electronics, vol. 69, no. 2, pp. 1488-1497, Feb. 2022. -SCI 

Dae-Hyun Cho and Kyo-Beum Lee,
"Sensorless Direct Torque Control for Interior Permanent-Magnet Synchronous Motors Using Square--Wave-Type Stator Flux Injection at Low-Speed Regions,"
Journal of Electrical Engineering & Technology, vol. 17, pp. 329-337, Jan. 2022. -SCIE 

Ibrahim Mohd Alsofyani and Kyo-Beum Lee,
"Three-Level Inverter-Fed Model Predictive Torque Control of a Permanent Magnet Synchronous Motor with Discrete Space Vector Modulation and Simplified Neutral-Point Voltage Balancing,"
Journal of Power Electronics, vol. 22, no. 1, pp. 22-30, Jan. 2022. -SCIE 

Jin-Hyuk Park, June-Seok Lee, Myung Yong Kim, and Kyo-Beum Lee,
"Diagnosis and Tolerant Control Methods for an Open-Switch Fault in Vienna Rectifier,"
IEEE Journal of Emerging and Selected Topics in Power Electronics, vol. 9, no. 6, pp. 7112-7125, Dec. 2021. -SCIE 

2021

Sze Sing Lee, Yam P. Siwakoti, Reza Barzegarkhoo, and Kyo-Beum Lee,
"Switched-Capacitor-Based Five-Level T-Type Inverter (SC-5TI) With Soft-Charging and Enhanced DC-Link Voltage Utilization,"
IEEE Transactions on Power Electronics, vol. 36, no. 12, pp. 13958-13967, Dec. 2021. -SCI 

Laith M. Halabi, Ibrahim Mohd Alsofyani, and Kyo-Beum Lee,
"Multi Open-/Short-Circuit Fault-Tolerance Using Modified SVM Technique for Three-Level HANPC Converters,"
IEEE Transactions on Power Electronics, vol. 36, no. 12, pp. 13621-13633, Dec. 2021. -SCI 

Ha-Rang Jo, Youngjong Ko, and Kyo-Beum Lee,
"Influence of Open-Switch Failures on DC-Link Capacitors in Hybrid ANPC Inverters,"
Journal of Power Electronics, vol. 21, no. 11, pp. 1735-1742, Nov. 2021. -SCIE 

Laith M. Halabi, Ibrahim Mohd Alsofyani, and Kyo-Beum Lee,
"Hardware Implementation for Hybrid Active NPC Converters Using FPGA-Based Dual Pulse Width Modulation,"
Journal of Power Electronics vol. 21, no. 11, pp. 1669-1679, Nov. 2021. -SCIE 

Ibrahim Mohd Alsofyani and Kyo-Beum Lee,
"Simple Capacitor Voltage Balancing for Three-Level NPC Inverter Using Discontinuous PWM Method With Hysteresis Neutral-Point Error Band,"
IEEE Transactions on Power Electronics, vol. 36, no. 11, pp. 12490-12503, Nov. 2021. -SCI 

Sze Sing Lee, Yongheng Yang, Yam Prasad Siwakoti, and Kyo-Beum Lee,
"A Novel Boost Cascaded Multilevel Inverter,"
IEEE Transactions on Industrial Electronics, vol. 68, no. 9, pp. 8072-8080, Sep. 2021. -SCI 

Byeol Han, June-Seok Lee, Yeongsu Bak, and Kyo-Beum Lee,
"Six-step Operation Strategy for the Direct Self-Control Method of Interior Permanent Magnet Synchronous Motors based on Torque Angle,"
Journal of Power Electronics, vol. 21, no. 9, pp. 1352-1364, Sep. 2021. -SCIE 

Sze Sing Lee and Kyo-Beum Lee,
"Switched-Capacitor-Based Modular T-type Inverter,"
IEEE Transactions on Industrial Electronics, vol. 68, no. 7, pp. 5725-5732, Jul. 2021. -SCI 

Ha-Rang Jo, Ye-Ji Kim, and Kyo-Beum Lee,
"LCL-Filter Design Based on Modulation Index for Grid-Connected Three-Level Hybrid ANPC Inverters,"
Journal of Electrical Engineering & Technology, vol. 16, pp. 1517-1525, May 2021. -SCIE 

Min-Geun Song, Seok-Min Kim, and Kyo-Beum Lee,
"Elimination of Abnormal Output Voltage in a Hybrid Active NPC Inverter,"
IEEE Transactions on Power Electronics, vol. 36, no. 5, pp. 5348-5361, May 2021. -SCI

Ye-Ji Kim, Seok-Min Kim, and Kyo-Beum Lee,
"Improving DC-Link Capacitor Lifetime for Three-Level Photovoltaic Hybrid Active NPC Inverters in Full Modulation Index Range,"
IEEE Transactions on Power Electronics, vol. 36, no. 5, pp. 5250-5261, May 2021. -SCI 

Hyung-Woo Lee, Dae-Hyun Cho, and Kyo-Beum Lee,
"Rotor Position Estimation over Entire Speed Range of Interior Permanent Magnet Synchronous Motors,"
Journal of Power Electronics, vol. 21, no. 4, pp. 639-702, Apr. 2021. -SCIE
 

Eui-Jae Lee and Kyo-Beum Lee,
"Performance Improvement of Cascaded H-bridge Multilevel Inverters with Modified Modulation Scheme,"
Journal of Power Electronics, vol. 21, no. 3, pp. 541-552, Mar. 2021. -SCIE 

Sang-Won An, Seok-Min Kim, and Kyo-Beum Lee,
"Capacitor Lifetime Extension in a Hybrid Active Neutral-Point-Clamped Inverter with Reduction of DC-link Ripple Current and Common-Mode Voltage,"
IEEE Access, vol. 9, pp. 40336-40348, Mar. 2021. -SCIE 

Jin-Hyuk Park, June-Seok Lee, and Kyo-Beum Lee,
"Sinusoidal Harmonic Voltage Injection PWM Method for Vienna Rectifier With an LCL Filter,"
IEEE Transactions on Power Electronics, vol. 36, no. 3, pp. 2875-2888, Mar. 2021. -SCI 

Hye-Won Choi, Seok-Min Kim, Jinwoo Kim, Younghoon Cho, and Kyo-Beum Lee,
"Current-Balancing Strategy for Multileg Interleaved DC/DC Converters of Electric-Vehicle Chargers,"
Journal of Power Electronics, vol. 21, no. 1, pp. 94-102, Jan. 2021. -SCIE 

Min-Geun Song, Seok-Min Kim, and Kyo-Beum Lee,
"Independent Switching Technique to Remove Abnormal Output Voltage in Hybrid Active NPC Inverters,"
Journal of Power Electronics, vol. 21, no. 1, pp. 85-93, Jan. 2021. -SCIE