Lien-Chieh Chen (陳廉杰) – M.S. Student

Lien-Chieh Chen received the B.S. degree in Electrical Engineering from Feng Chia University (FCU), Taiwan, in 2021. He received his M.S. degree in Electrical Engineering from National Taiwan University, Taiwan, in 2023. His research interests include dc-dc converters from solar panel applications.

Papers:

Lien-Chieh Chen, F. Selin Bagci, and Katherine A. Kim, “Comparison of Bidirectional Flyback and Split-Inductor Boost Converter Topologies for Photovoltaic Differential Power Processing Systems” IEEE Workshop on Wide Bandgap Power Devices and Applications in Asia (WiPDA Asia), Hsinchu, Taiwan, 2023, pp. 1-6, doi: 10.1109/WiPDAAsia58218.2023.10261924.

Prof. Katherine A. Kim (김예린,金藝璘)

Dr. Katherine A. Kim received the B.S. degree in Electrical and computer engineering (ECE) from the Franklin W. Olin College of Engineering in 2007. She received the M.S. degree and Ph.D. degree in ECE from the University of Illinois at Urbana-Champaign in 2011 and 2014, respectively. From 2014 to 2018, she was an Assistant Professor of Electrical and Computer Engineering at the Ulsan National Institute of Science and Technology (UNIST) in Ulsan, South Korea. Since 2019, she has been an Associate Professor of Electrical Engineering at National Taiwan University, Taipei, Taiwan. Her research focuses on power electronics and control for solar photovoltaic applications.

Dr. Kim received the Award for Achievements in Power Electronics Education from the IEEE Power Electronics Society (PELS) in 2022, recognition as an Innovator Under 35 for the Asia Pacific Region by the MIT Technology Review in 2020, and the Richard M. Bass Outstanding Young Power Electronics Engineer Award from PELS in 2019. Since 2017, she has served as an Associate Editor for the IEEE Transactions on Power Electronics. For IEEE PELS, she served as the Student Membership Chair in 2013-2014, a Member-At-Large for 2016-2018, the Women in Engineering Chair in 2018-2020, and the PELS Constitution and Bylaws Chair in 2021-2024.

ORCID: 0000-0001-9144-1001

Google Scholar: Katherine A. Kim

Richard Angsetya – Undergrad Intern

Richard is Indonesian and is soon to be an Electrical Engineer bachelor graduate. He is interested in power electronics and is planning to pursue a Master’s degree in Professor Kim’s lab. His research interest is in energy harvesting for wearables.

F. Selin Bagci, Richard Angsetya, Sean Logi, Katherine A. Kim, “Flexible PCB Connection Methods for Wearable Energy Harvesting Applications,” IEEE Applied Power Electronics Conference and Exposition (APEC), 2023, pp. 1881-1887, doi: 10.1109/APEC43580.2023.10131451.

Dong Heng Tsai (蔡東衡) – M.S. Student

Dong Heng Tsai received the B.S. degree in Electric Engineering from National Taiwan University of Science and Technology (NTUST) in 2023. He is a Masters student in the Electrical Engineering Department at National Taiwan University. His research interests include power converters and battery charging.

Sean Logi – M.S. Student

Sean Logi received the B.S. degree in Electrical Engineering from National Taiwan University of Technology (NTU), Taiwan, in 2023. He is a Masters student in the Electrical Engineering Department at National Taiwan University. His research interests include flexible PCBs for power electronics used in energy harvesting wearables.

Papers:

F. Selin Bagci, Richard Angsetya, Sean Logi, Katherine A. Kim, “Flexible PCB Connection Methods for Wearable Energy Harvesting Applications,” IEEE Applied Power Electronics Conference and Exposition (APEC), 2023, pp. 1881-1887, doi: 10.1109/APEC43580.2023.10131451.

Yun-Jen Xu (徐昀湞) – M.S. Student

Yun-Jen Xu received the B.S. degree in Electrical Engineering from National Taipei University of Technology (NTUT), Taiwan, in 2023. He is a Masters student in the Electrical Engineering Department at National Taiwan University. His research interests include the analysis of dc-dc converters.

Yu-Kai Liao (廖昱凱) – M.S. Student

Yu-Kai Liao received the B.S. degree in Electrical Engineering from National Taipei University of Technology (NTUT), Taiwan, in 2022. He is a Masters student in the Electrical Engineering Department at National Taiwan University. His research interests include circuit analysis and improving converter efficiency.

Hsin-Hsuan Tsai (蔡昕璇) – M.S. Student

Hsin-Hsuan Tsai is an incoming M.S. student in Electrical Engineering at National Taiwan University (NTU). She earned a Bachelor’s degree in Electrical Engineering at NTU in 2023. She received the ITRI Power School Outstanding Project Proposal Award (電網學校暨人才發展聯盟獎學金) in 2022, as well as Dean’s List Award while at National Tsing Hua University (NTHU) in 2020. Her research interests include grid-tied inverters and electric vehicles.

Ying-Jiun Chen (陳盈均) – M.S.

Ying Jiun Chen received the B.S. degree in Electrical Engineering from National Ilan University (NIU) in 2020. She received the M.S. degree in the Electrical Engineering in 2023 from National Taiwan University (NTU). Her research focus is on voltage balancing control of flying capacitor multilevel converters.

Papers:

Yu-Chen Liu, Meng-Chi Tsai,  Ying-Jiun Chen, Katherine A. Kim, Chen Chen, and Nguyen Anh Dung, “Design and Implementation of a Stepped Air-Gap Inductor for Buck Converters,” in Proc. IEEE Applied Power Electronics Conference,  June 2021, pp. 1-6.

Yu-Ting Yang (楊喻婷) – M.S.

Yu-Ting Yang received the B.S. degree in Electrical Engineering from National Tsing Hua University (NTHU), Taiwan, in 2020. She received the M.S. degree in Electrical Engineering from National Taiwan University (NTU) in 2022. Her research interests include system control methods of bidirectional CLLC resonant converters for charging Li-ion batteries in an integrated photovoltaic microinverter.

Papers:

Yu-Ting Yang, Katherine A. Kim, and Jonghoon Kim, “Bidirectional CLLC Resonant Converter Design for Photovoltaic Microinverters with Li-Ion Batteries,” in Proc. International Future Energy Electronics Conferences, Nov. 2021, pp. 1-6, doi: 10.1109/IFEEC53238.2021.9661628.

Chi Jui Lo (羅琪瑞) – M.S.

Chi Jui Lo received the B.S. degree in Electrical Engineering from National Taiwan University (NTU) in 2020 and the M.S. degree in Electrical Engineering from National Taiwan University (NTU) in 2022. His research focuses on power converters and control development for photovoltaic systems.

Papers:

Chi Jui Lo and Katherine A. Kim, “System Control and Reset Algorithm for Differential Power Processing Converters in a Photovoltaic Microinverter,” in Proc. IEEE Workshop on Control and Modeling for Power Electronics, Nov. 2021, pp. 1-8, doi: 10.1109/COMPEL52922.2021.9646000.

Shang-You Chiu (邱上祐) – M.S.

Shang-You Chiu received the B.S. degree in energy engineering from National Cheng Kung University (NCKU), Tainan, Taiwan, in 2020, and the M.S. degree in Electrical Engineering from National Taiwan University (NTU) in 2022. Since 2022, he has been with Hitachi Energy Co., Ltd., Taipei, Taiwan. His research interests include electrical power system design for CubeSat applications, dynamic analysis and control design of dc-to-dc power conversion system.

Papers:

Shang-You Chiu, Katherine A. Kim, and Yu-Chen Liu, “Analysis of Nanosatellite Impedance Interaction and Stability Based on System Operation Mode,” in Proc. International Future Energy Electronics Conferences, Nov. 2021, pp. 1-6, doi: 10.1109/IFEEC53238.2021.9662020.

Guan-Ru Li (李冠儒) – M.S.

Guan-Ru Li received the B.S. degree in Electrical Engineering from National Taiwan University of Science and Technology (NTUST) in 2020 and the M.S. degree in Electrical Engineering from National Taiwan University (NTU) in 2022. His research focus is on the verification and small-signal analysis of power factor correction (PFC) boost converters with average current mode (ACM) control in SIMPLIS.

Papers:

Guan-Ru Li, Katherine A. Kim, Aishworya Roy, and Thomas G. Wilson, “Examining Power Factor Correction Boost Converter Feedback Control Using SIMPLIS,” in Proc. International Future Energy Electronics Conferences, Nov. 2021, pp. 1-6, doi: 10.1109/IFEEC53238.2021.9662029.

Bo-Xiang Lee (李博翔) – M.S. Student

Bo-Xiang Lee received the B.S. degree in Electrical Engineering from National Kaohsiung University of Science and Technology (NKUST), Taiwan, in 2022. He is currently a Masters student in the Electrical Engineering Department at National Taiwan University. His research interests include dc-dc converter power transfer and analysis of dc-dc converters.

Shih-Fan Liu (劉世凡) – M.S. Student

Shih-Fan Liu received the B.S. degree in Electrical Engineering from National Kaohsiung University of Science and Technology (NKUST), Taiwan, in 2022. He is currently a Masters student in the Electrical Engineering Department at National Taiwan University. His research interests include dc-dc converter development.

Darsana Deo – M.S. Student

Darsana Deo had received the Bachelor’s in Technology degree from National Institute of Science and Technology (NIST), India. She received the Master’s degree from the Department of Electrical Engineering at National Taiwan University (NTU), Taiwan in 2024. Her research focuses on different simulation and emulation techniques of photovoltaic systems compatible for microinverter systems. In the future, she will work as a Senior Engineer in the department of Notebook Power (PSBG) at Delta Electronics, Taiwan.

Taiwei Chen (陳泰瑋) – Ph.D. Student

Taiwei Chen received his B.S. degree in Engineering Science from National Cheng Kung University (NCKU). He earned his M.S. degree in Electrical Engineering from the University of Texas at San Antonio, USA (UTSA), where he was involved in research on EMI/EMC performance in power electronics. His Master’s thesis was on “Inductor Design for Common-mode and Differential Mode Inductors” published in Dec. 2014. He has more than 6 years of experience in inverter circuit design, product testing and certification as an electrical engineer in the renewable energy industry. He is pursuing his PhD degree in Electrical Engineering at National Taiwan University. His research interests include energy harvesting power electronics, electric vehicles, improvement of microinverters, and electric power subsystem design of nano-satellites.

Selin Bagci – Ph.D. Student

Selin Bagci received the B.S. degree in Electrical and Computer Engineering in 2018 from Ulsan National Institute of Science and Technology (UNIST), South Korea. She received the M.S. in Electrical Engineering in 2020 from National Taiwan University of Science and Technology (NTUST), Taiwan. She is currently a Ph.D. student in the Electrical Engineering Department at National Taiwan University. Her research interests are in dc-dc converter development and control for photovoltaic energy harvesting applications.

Papers:

F. Selin Bagci, Richard Angsetya, Sean Logi, Katherine A. Kim, “Flexible PCB Connection Methods for Wearable Energy Harvesting Applications,” IEEE Applied Power Electronics Conference and Exposition (APEC), 2023, pp. 1881-1887, doi: 10.1109/APEC43580.2023.10131451.

Katherine A. Kim, F. Selin Bagci, and Kristen L. Dorsey, “Design considerations for photovoltaic energy harvesting in wearable devices,” in Scientific Reports, vol. 12, pp. 1-12, October 28, 2022, art. no. 18143, doi: 10.1038/s41598-022-22232-x.

F. Selin Bagci, Katherine A. Kim, Yu -Chen Liu and Yi-Hua Liu, “Evaluation of Power Maximization and Curtailment Control Methods for Converters in Wearable Photovoltaic Energy Harvesting Applications,” in IEEE Open Journal of Power Electronics, pp. 508-520, August 2022, doi: 10.1109/OJPEL.2022.3194185.

F. Selin Bagci and Katherine A. Kim, “Performance Comparison of Burst-Mode MPPT and Perturb and Observe MPPT Algorithms for Photovoltaic Energy Harvesting Applications,” in Proc. IEEE Energy Conversion Congress Exposition (ECCE), Vancouver, BC, Canada, Oct. 2021.

F. Selin Bagci and Katherine A. Kim, “Burst-Mode Maximum Power Point Tracking Algorithm for Low-Power Photovoltaic Energy Harvesting Applications,” in Proc. IEEE Energy Conversion Congress Exposition Asia, Singapore, May. 2021, pp. 1-6. 

F. Selin Bagci, Katherine A. Kim, Ting-Yu Lin and Yu-Chen Liu, “Power Profile Measurement and System Design Analysis for a Wearable Photovoltaic Application,” in Proc. International Power Electronics and Motion Control Conference – ECCE Asia, Nanjing, China, Dec. 2020, pp. 1469-1474.

F. Selin Bagci, Yu-Chen Liu, and Katherine A. Kim, “Low-Power Photovoltaic Energy Harvesting With Parallel Differential Power Processing Using a SEPIC,” in Proc. IEEE Applied Power Electron. Conf.,  Mar. 2019, pp. 2008-2014.