PELab KOREATECH
School of Electrical, Electronics & Communication Engineering

Koreatech
Power Electronics Lab

High-efficiency, high-density power conversion for data centers, electric vehicles, aerospace, defense, and wireless power transfer — from MHz resonant converters to server-rack power architectures.

한국기술교육대학교 전력전자연구실

Notice · 연구실 모집

함께 연구하고 함께 성장할 학생을 찾습니다

전력전자 및 아날로그 회로 분야에 관심있는 석·박사과정 학생과 학부연구생을 모집합니다. 지원을 희망하는 학생은 간단한 자기소개와 이력서(CV)를 첨부하여 아래 이메일로 연락해 주시기 바랍니다.

dm@koreatech.ac.kr
Contact
Lab
한국기술교육대학교 전력전자연구실
PI
전기·전자·통신공학부 김동민 교수
Email
dm@koreatech.ac.kr
Phone
+82-41-560-1614
Office
Room F310, Engineering Bldg. #1
Korea University of Technology and Education
Members

People

Dongmin Kim
Professor

Dongmin Kim, Ph.D.

Assistant Professor
Korea University of Technology & Education

dm@koreatech.ac.kr +82-41-560-1614 Room F310, Eng. Bldg. #1

Education

  1. 2020 – 2024
    Ph.D. in Electrical Engineering
    KAIST · Advisor: Prof. Gun-Woo Moon
  2. 2018 – 2020
    M.S. in Electrical Engineering
    KAIST · Advisor: Prof. Gun-Woo Moon
  3. 2014 – 2018
    B.S. in Electronics & Electrical Engineering
    Sungkyunkwan University (SKKU)

Appointments

  1. 2026 – Present
    Assistant Professor
    Korea University of Technology & Education
  2. 2024 – 2026
    Research Scientist
    ETRI (Electronics and Telecommunications Research Institute)

Researchers

3 undergraduate researchers

백선우

백선우 Seonwoo Baek

Undergraduate researcher

DC/DC converter · Wireless power transfer

tjsdn25@koreatech.ac.kr
조창근

조창근 Chang-geun Cho

Undergraduate researcher

Research topic TBD

ckdrms2455@koreatech.ac.kr
한재상

한재상 Jae-sang Han

Undergraduate researcher

Research topic TBD

js032129@koreatech.ac.kr
Research

Research Areas

Datacenter

Advanced power electronics for high-efficiency, high-density, and reliable data center energy systems.

Titanium 1U PSULiquid coolingBridgeless PFC

Electric Vehicle

Innovative power conversion and charging technologies for efficient and sustainable electric vehicles.

LDCBidirectional APMWide input range

Aerospace

Lightweight and high-reliability power electronics for aerospace propulsion and onboard energy systems.

High power densityReliability

Military & Defense

Ruggedized power electronic systems for defense applications requiring high reliability and resilience.

HV pulse generatorMulti-channel sync

Wireless Power Transfer

Advanced wireless power transfer technologies for stable, efficient, and flexible energy delivery systems.

MHz Class E / Φ2Dual-band rectifierRx integration
Publication

Publications

* Co-first authors.

Journal Articles [1]–[5]

  1. [1]
    Chang-Yeob Chu*, Dongmin Kim*, Youngseok Lee, Ki-bum ParkSeries-Stacked Class E Inverter with Topology Morphing Strategy for Enhanced Light-Load Efficiency in MHz WPT SystemIEEE Trans. Ind. Electron., Early Access2026
  2. [2]
    Dongmin Kim, Jongyoon Chae, Ki-Bum Park, Gun-Woo MoonDual-Band Rectifier Using Coupled Inductor for Wireless Charging System ReceiversIEEE Trans. Power Electron., vol. 40, no. 5, pp. 7488–7499May 2025
  3. [3]
    Jongyoon Chae, Minsu Lee, Dongmin Kim, Gun-Woo MoonNew Gate Control Method of PWM Resonant Converters for Near-Zero-Ripple Fuel Cell CurrentIEEE Trans. Power Electron., vol. 39, no. 5, pp. 4974–4980May 2024
  4. [4]
    Dongmin Kim, Jongyoon Chae, Ki-Bum Park, Gun-Woo MoonA Self-Oscillated Feedback Network for Push–Pull Resonant Power ConvertersIEEE Trans. Power Electron., vol. 38, no. 11, pp. 14249–14261Nov 2023
  5. [5]
    Young-Dal Lee, Dongmin Kim, Seung-Hyun Choi, Gun-Woo Moon, Chong-Eun KimNew Bridgeless Power Factor Correction Converter with Simple Gate Driving Circuit and High Efficiency for Server Power ApplicationsIEEE Trans. Power Electron., vol. 35, no. 12, pp. 13148–13156Dec 2020

International Conferences [6]–[16]

  1. [6]
    Jongyoon Chae*, Dongmin Kim*, Dongmin Choi, Gun-Woo MoonNew Reverse Mode Control Method of Phase-Shift Full-Bridge Converter for Bidirectional Auxiliary Power Modulein Proc. IEEE Appl. Power Electron. Conf. Expo. (APEC), pp. 1899–1904Mar 2025
  2. [7]
    Dongmin Kim, Young-Dal Lee, Sungmoon Cheon, Ki-Mok Kim, Gun-Woo MoonPush-Pull Class Φ2 Amplifier with Optimized Operation Strategy for High-frequency Wireless Power Transfer Systemin Proc. ECCE Asia, pp. 171–1762021
  3. [8]
    Dongmin Kim, Chong-Eun Kim, Young-Dal Lee, Sungmoon Cheon, Gun-Woo MoonActive Clamp Forward Converter with Light-load Efficiency Optimization Control Strategyin Proc. ECCE Asia, pp. 2093–20982020
  4. [9]
    Jongyoon Chae, Minsu Lee, Jae Ho Kim, Dongmin Kim, Gun-Woo MoonA Simple Gate Control Method for Output Voltage Balancing in Input-Parallel Output-Series Boost Converterin Proc. ECCE Asia, pp. 498–5032023
  5. [10]
    Dongmin Choi, Minsu Lee, Taewoo Kim, Dongmin Kim, Gun-Woo MoonA Dual-Active-Bridge (DAB) Converter Based Bidirectional DC/DC Converter with Reduced Link Capacitancein Proc. ECCE Asia, pp. 1386–13892022
  6. [11]
    Dongmin Choi, Minsu Lee, Dongmin Kim, Kyung-Hwa Park, Gun-Woo MoonA High Efficiency Asymmetrical Half-Bridge Converter with an Improved Coupled Inductor Rectifierin Proc. ECCE Asia, pp. 1964–19692021
  7. [12]
    Moo-Hyun Park, Yeonho Jeong, Dongmin Choi, Dong-min Kim, Gun-Woo MoonHold-up Time Extension Method in LLC Converter by Detecting Operation Regionin Proc. ECCE Asia, pp. 1706–17092020
  8. [13]
    Young-Dal Lee, Dongmin Kim, Chong-Eun Kim, Gun-Woo MoonA New Receiver-Side Integrated Regulator With Phase Shift Control Strategy For Wireless Power Transfer Systemin Proc. WoW, pp. 112–1152020
  9. [14]
    Cheon-young Lim, Ki-mok Kim, Dongmin Kim, Tae-Woo Kim, Gun-Woo MoonHybrid DC-DC Converter Using Center-Tapped Clamp Circuit in Wide Range of High Output Voltagein Proc. ECCE Asia, pp. 1921–19262019
  10. [15]
    Young-Dal Lee, Chong-Eun Kim, Dongmin Kim, Seung-Hyun Choi, Gun-Woo MoonA New Bridgeless PFC Converter having Low Common-Mode Noise and High Efficiency for Server Power Applicationin Proc. ECCE Asia, pp. 440–4452019
  11. [16]
    Jung-Kyu Han, Keon-Woo Kim, Cheon-Yong Lim, Dongmin Kim, Gun-Woo MoonA New Full-Bridge Converter with Phase-Shifted Coupled Inductor Rectifierin Proc. ECCE Asia, pp. 2874–28792019

Domestic Conferences [17]–[23]

  1. [17]
    Dongmin Kim, Dongmin Choi, Jongyoon Chae, Juyeon Sim, Joon-Su Kim, Gun-Woo MoonOptimal Driving Scheme for Reverse Operation of Bidirectional Phase-Shift Full-Bridge ConverterPower Electronics Annual Conference, pp. 125–1272020
  2. [18]
    Dongmin Kim, Sungmoon Cheon, Gun-Woo MoonPush-Pull Class-Φ Inverter with Optimized Operation Strategy for High-frequency Wireless Power Transfer SystemPower Electronics Annual Conference, pp. 130–1322021
  3. [19]
    Dongmin Kim, Young-Dal Lee, Chong-Eun Kim, Gun-Woo MoonLight-load Efficiency Optimization Control Strategy for Active Clamp Forward ConverterPower Electronics Annual Conference, pp. 142–1442020
  4. [20]
    Dongmin Kim, Jong-Kuk Lee, So-Young Kim, Tae-Won Noh, Jae-Hyung Lee, Byung-Kuk LeeDifferential Voltage Curve Estimation Algorithm for online SOH EstimationPower Electronics Annual Conference, pp. 77–782017
  5. [21]
    Jae-Sang Kim, Dongmin Kim, Taewoo Kim, Jaeho Kim, Gun-Woo MoonA New High-Power Density Tailored Waveform Modulator for Plasma ProcessingPower Electronics Annual Conference, pp. 168–1702020
  6. [22]
    Dongmin Choi, Minsu Lee, Dongmin Kim, Gun-Woo MoonAsymmetrical Half-Bridge Converter with an Improved Coupled Inductor Rectifier for High Efficiency under Light-Load ConditionPower Electronics Annual Conference, pp. 46–482021
  7. [23]
    Young-Dal Lee, Chong-Eun Kim, Dongmin Kim, Seung-Hyun Choi, Gun-Woo MoonA New Bridgeless PFC Converter With Simple Gate Driving Circuit And High Efficiency for Server Power ApplicationPower Electronics Annual Conference, pp. 92–942019
Project

Sponsored Projects

No.ProjectSponsorPeriod
1[Confidential] Development of a Lightweight Power Supply System for Multiple Loads in a *** SystemADD2026 – Present
2Aerospace Semiconductor Strategic Research Group (Global TOP Strategic Research Program)MSIT (Ministry of Science and ICT)2025 – 2026
3Development of High Heat Dissipation Packaging for High-Power GaN ModuleMSIT (Ministry of Science and ICT)2024 – 2026
4Development of Heterogeneous IC-Embedded Packaging Process and Component Technology Based on Low-Loss and High Thermal Dissipation Materials for Next-Generation CommunicationsMSIT (Ministry of Science and ICT)2024 – 2026
5Development of 2kW/1U Titanium Level Liquid Cooling Server Power ArchitectureNvidia, Solu-MAug 2023 – Dec 2024
6Development of a High-Voltage Multi-Channel Synchronized Pulse Generator for Military ApplicationsADDApr 2023 – Dec 2023
7Development of a 3.6 kW Low Voltage DC/DC Converter with Wide Input Voltage RangeLG Magna e-PowertrainApr 2022 – Mar 2023
8Research on High Power Density of Data Center Power Supply based on Next Generation DeviceNational Research Foundation of KoreaMay 2022 – Aug 2024
9Development of 3kW Titanium Level Liquid Cooling Server Power ArchitectureIntel, Solu-MMar 2021 – May 2022
10Research on the miniaturized receiver of the wireless power transmission system for high-power smart robotsSamsung Electronics Co., Ltd.Apr 2019 – Dec 2019
11Research on the new architecture for miniaturization of the wireless charging systemsSamsung Electronics Co., Ltd.Jun 2018 – Dec 2018