Category: People

Bokyung Yoon received the B.S. degree in Electrical and Computer Engineers from Ulsan National Institute of Science and Technology (UNIST) in 2018 and the M.S. degree in Electrical Engineering from UNIST in 2020. Her research interests are in analysis, control, and hardware development for energy harvesting power electronics.

Papers:

Jin Pyo Lee, Jae Won Lee, Bo-Kyung Yoon, Hee Jae Hwang, Sungwoo Jung, Katherine A. Kim, Dukhyun Choi, ChangdukYang, Jeong Min Baik, “Boosting the energy conversion efficiency of a combined triboelectric nanogenerator-capacitor,” Nano Energy, vol. 56, pp. 571-580, Feb. 2019.

Bo-Kyung Yoon, Jee-Hoon Jung, Jeong Min Baik, and Katherine A. Kim, “Realistic Circuit Modeling Using Derating Factors for Triboelectric Nanogenerators in Energy Harvesting Applications,” in Proc. International Conference on Power Electronics – ECCE Asia, May 2019.

Hoejeong Jeong received the B.S degree in ECE from Ulsan National Institute of Science and Technology (UNIST) in 2017. She majored in Electrical Engineering and System Design. She graduated with the M.S. degree in ECE from UNIST in February 2019. Her research interests are energy harvesting for wearable devices, GaN transistors, and DPP systems.

ORCID: 0000-0001-7468-7990

Papers:

Hoejeong Jeong, Seungbin Park, Jeehoon Jung, Taewon Kim, A-Rong Kim, and Katherine A. Kim, “Segmented Differential Power Processing Converter Unit and Control Algorithm for Photovoltaic Systems,” in IEEE Transactions on Power Electronics, vol. 36, no. 7, pp. 7797-7809, July 2021.

Seungbin Park (박승빈), Mina Kim (김민아), Hoejeong Jeong (정회정), Taewon Kim (김태원), Katherine A. Kim (김예린), and Jee-Hoon Jung (정지훈), ” Bidirectional Flyback Converter Design Methodology for Differential Power Processing Modules in PV Applications (PV 시스템의 차동 전력 조절기 모듈용 양방향 플라이백 컨버터 설계 방법),” Transactions of the Korean Institute of Power Electronics (전력전자학회 논문지) , Vol. 24, No.5, October 2019.

Hoejeong Jeong, Hyunji Lee, Yu-Chen Liu and Katherine A. Kim, “Review of Differential Power Processing Converter Techniques for Photovoltaic Applications,” IEEE Transactions on Energy Conversion, vol. 34, no. 1, pp. 351-360, Mar. 2019.

Hoejeong Jeong, Hyeun-Tae Cho, Taewon Kim, Yu-Chen Liu and Katherine A. Kim, “A Scalable Unit Differential Power Processing System Design for Photovoltaic Applications,” in Proc. IEEE Workshop on Control and Modeling for Power Electron., June 2018, pp. 1-8.

Hyeun-Tae Cho received the B.S degree in ECE in 2016 and M.S. degree in ECE in 2018 from the Electrical and Computer Ulsan National Institute of Science and Technology (UNIST). His main research interests are power factor correction (PFC) converter design and analysis. His extra activities are listening to music and E-sports.

Papers:

Hyeun-Tae Cho, Yu-Chen Liu and Katherine A. Kim, “Short-Primary Linear Induction Motor Modeling with End Effects for Electric Transportation Systems,” in Proc. IEEE International Symposium on Computer Consumer and Control, Dec. 2018, pp. 1-4.

Hoejeong Jeong, Hyeun-Tae Cho, Taewon Kim, Yu-Chen Liu and Katherine A. Kim, “A Scalable Unit Differential Power Processing System Design for Photovoltaic Applications,” in Proc. IEEE Workshop on Control and Modeling for Power Electron., June 2018, pp. 1-8.

Hyeun-Tae Cho, Jingook Kim, Jeehoon Jung and Katherine A. Kim, “Comparison of Input Power Factor Correction Techniques for Buck Converters in Single-Phase Wireless Power Transfer Systems,” in Proc. Workshop on Emerging Technologies Wireless Power, June 2015.

Kyoungjun Kwon received the Bachelor of Science degree from Pusan National University in 2016. He majored in electrical engineering. He received the Masters of Science degree in electrical and computer engineering from Ulsan National Institute of Science and Technology (UNIST) in February 2018. He is currently an Engineer at LG in Korea. His research interests are DC-DC converters and inverters for photovoltaic Applications.

Papers:

Kwabena Opoku Bempah, Kyoungjun Kwon and Katherine A. Kim, “Experimental Study of Photovoltaic Panel Mounting Configurations for Tube-Shaped Structures,” Applied Energy, vol. 240, pp. 754-765, April 2019.

Kyoungjun Kwon, Junyoung Yeom and Katherine A. Kim, “Photovoltaic Panel Configuration Study for Tube-Enclosed Transportation Systems,” in Proc. Int. Future Energy Electronics Conf., June 2017, pp. 1-6.

Xuan Hung Mai completed his Bachelor of Science degree in Electrical and Computer Engineer (ECE) from Ho Chi Minh University of Technology, Vietnam in 2014. His senior thesis was on a maximum power point tracking algorithm for partial shading conditions in photovoltaic (PV) panels. He received the Masters of Science degree in ECE from Ulsan National Institute of Science and Technology (UNIST) in February 2017. He is currently a Hardware Developer at SolarBK, Vietnam. His research interests are photovoltaic system performance and fault detection, specifically, hot spot detection method in commercialized PV panels.

Papers:

Xuan Hung Mai, Sang-Kyu Kwak, Jee-Hoon Jung, and Katherine A. Kim, “Comprehensive Electric-Thermal Photovoltaic Modeling for Power-Hardware-in-the-Loop Simulation (PHILS) Applications,” IEEE Trans. Industrial Electron., vol. 64, no. 8, pp. 6255-6264, Aug. 2017.

Xuan Hung Mai, Jee-Hoon Jung, and Katherine A. Kim, “Electric-Thermal Photovoltaic Model Characteristics Validation,” in Proc. Int. Conf. on Sustainable Energy Technologies, Nov. 2016, pp. 208-213.

Hyunji Lee received the B.S. and M.S. degrees in electrical engineering from the Ulsan National Institute of Science and Technology, Ulsan, South Korea, in 2015 and 2017, respectively. She is working as an Assistant Engineer with Fine Inc., Seoul, South Korea. Her research interests include design and analysis of differential power processing systems for photovoltaic applications.

ORCID: 0000-0002-0265-1902

Papers:

Tae Won Kim, Tae Joon Park, Katherine A. Kim, and Hyunji Lee. “Apparatus for control photovoltaic power generation (태양광 발전 제어 장치),” Korea Patent 10-2019-0078018 , July 4, 2019.

Hoejeong Jeong, Hyunji Lee, Yu-Chen Liu and Katherine A. Kim, “Review of Differential Power Processing Converter Techniques for Photovoltaic Applications,” IEEE Transactions on Energy Conversion, vol. 34, no. 1, pp. 351-360, Mar. 2019.

Hyunji Lee and Katherine A. Kim, “Design Considerations for Parallel Differential Power Processing Converters in a Photovoltaic-Powered Wearable Application,” Energies, vol. 11, no. 12, pp. 1-17, Nov. 2018, art. no. 3329.

Young-Tae Jeon, Hyunji Lee, Katherine A. Kim, and Joung-Hu Park, “Least Power Point Tracking Method for Photovoltaic Differential Power Processing Systems,” IEEE Trans. Power Electron., vol. 32, no. 3, pp. 1941-1951, Mar. 2017.

Hyunji Lee and Katherine A. Kim, “Differential Power Processing Converter Design for Photovoltaic Wearable Applications,” in Proc. Int. Power Electronics and Motion Control Conf., May 2016, pp. 463-468.

Hyunji Lee and Katherine A. Kim, “Comparison of Photovoltaic Converter Configurations for Wearable Applications,” in Proc. IEEE Workshop on Control and Modeling for Power Electron., July 2015, pp. 1-6.