Gwangju Institute of Science and Technology (GIST) School of Electrical Engineering and Computer Science
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OPTIMUS Lab

Optimal Power Transformation and Inverter Modernization with Utilizable Strategies

What we have written, filed, and defended

25SCI journal
5KCI journal
17Int’l conference
16Domestic conference
19Patent families
18Theses
Reverse chronological · 100 entries
YearTitleVenue
2026A Current-Limiting Method Based on Grid-Following Factor in a Virtual Synchronous GeneratorK. Kim, J. Park, Y. ParkIEEE Transactions on Sustainable EnergyTop 4.3% in category
2026Current Control Strategy for Parallel-Connected Inverters to Drive an SMPMSM with Small Sharing InductorsH. Hwang, Y. ParkJournal of Power Electronics 26, 709–719
2026CURESYM에서 무효전력 커플링을 최소화하는 저항성 댐핑 강화 방법최희연, 박용순대한전기학회 학술대회, 1633–1634
2026가상동기발전기 기반 2단 태양광 발전 시스템의 계통 지원 검증김주호, 박용순전력전자학회 학술대회, 310–312
2026A PWM Method for Overvoltage Suppression in Long Cable Motor Drive SystemsJunhyeok Moon · Adviser: Y. ParkM.S. thesis, GIST · School of EECS, Aug 2026
2026Dynamic Compensated Reactive Power Droop Control for Islanding DetectionGyungwan Baek · Adviser: Y. ParkM.S. thesis, GIST · School of EECS, Feb 2026
2026Implementation of Electricity Cost-Optimized BEMS Utilizing Deep Learning-Based Power Demand ForecastingWonhyeong Im · Adviser: Y. ParkM.S. thesis, GIST · School of EECS, Feb 2026
2025Utilization of a Disturbance Observer for Enhancing Robustness Against DC Biases in a Virtual Synchronous GeneratorS. Choi, G. Heo, Y. ParkIEEE Transactions on Industrial Electronics 72(12), 13129–13140Top 5.1% in category
2025Disturbance-Observer-Based Virtual Impedance for Virtual Synchronous GeneratorsG. Heo, S. Choi, Y. ParkIEEE Transactions on Industry Applications 61(6), 8595–8605
2025A Feedforward-Prevailing Control Method to Improve Dynamic Responses for Paralleled Inverters with Small Interfacing InductorsK. Kim, Y. ParkIEEE Transactions on Transportation Electrification 11(3), 7967–7978Top 7.3% in category
2025Peak Shaving Control for a Virtual Synchronous Generator in Island GridsY. Park, S. Choi, G. Heo, G.-S. SeoIEEE Transactions on Smart Grid 16(2), 890–902Top 5.4% in category
2025Analysis and Mitigation of Circulating Common-Mode Current in Large-Scale PCS-Integrated ESS SitesJ.-H. Lee, S.-Y. Chu, J.-H. Kim, D.-S. Lee, Y. ParkCIRED 2025, Geneva, Switzerland, 1773–1777
2025Grid-Following Factor-Based Current Limiting Strategy for a Grid-Forming Inverter with Two Electromotive ForcesKihyang Kim · Adviser: Y. ParkPh.D. thesis, GIST · Graduate School of Energy Convergence, Aug 2025
2025Performance Improvement and Overcurrent Limiting of a Grid-Forming Inverter with Two Electromotive ForcesGeon Heo · Adviser: Y. ParkPh.D. thesis, GIST · Graduate School of Energy Convergence, Feb 2025
2025Battery Energy Storage System Detecting and Interrupting Abnormal Current, and Method of OperationY. Park et al.KR 10-2896098Granted
2025HILS-Based Converter Simulation System and MethodY. Park et al.KR 10-2793477Granted Apr 2025
2024Control Strategy of Energy Storage System for Islanding Detection Based on Load Analysis with Machine LearningK. Kim, Y. Park, J. Lee, S. JuIEEE Transactions on Smart Grid 15(5), 4719–4730Top 5.3% in category
2024A Control Method Using Two Electromotive Forces and a Disturbance Observer to Improve the Dynamics of a Virtual Synchronous MachineG. Heo, Y. Park, K. Lee, H. RyuIEEE Transactions on Sustainable Energy 15(2), 1050–1061Top 4.5% in category
2024Current-Referencing Electrified Synchronous Machine to Emulate a Synchronous Machine via a Voltage-Source InverterG. Heo, Y. Park, K. Lee, H. RyuIEEE Transactions on Industrial Electronics 71(6), 5883–5892Top 2.6% in category
2024단상 가상 동기기의 성능 개선을 위한 외란 관측기 기반 가상 임피던스 구현허건, 박용순전력전자학회 논문지 29(2), 145–150
2024A Control Method Using Two Electromotive Forces and a Disturbance Observer to Improve the Dynamics of a Virtual Synchronous MachineG. Heo, Y. Park, K. Lee, H. RyuIEEE PES General Meeting, Seattle, WA, USA
2024Improvement of Current Control Performance and Stabilization of Neutral-Point Voltage in a Parallel-Connected Back-to-Back Three-Level Inverter with a Small Sharing InductorHankyu Hwang · Adviser: Y. ParkPh.D. thesis, GIST · Graduate School of Energy Convergence, 2024
2024An Angle-Oriented Limiting Method for Modulated Model Predictive Control to Implement a Grid SimulatorWooyoung Kim · Adviser: Y. ParkM.S. thesis, GIST · Graduate School of Energy Convergence, 2024
2024Apparatus and Method for Implementing a Virtual Synchronous Generator with Current ControllabilityY. Park et al.KR 10-2697232Granted
2024Apparatus for Suppressing Current Distortion and Circulating Current in Parallel Three-Phase Two-Level InvertersY. Park et al.KR 10-2687645 · PCT/KR2022/020039Granted
2024Pulse-Width Modulation Control Apparatus for Equalizing the Thermal Distribution of Switching Devices in a Dual InverterY. Park, K. KimKR 10-2742668 · PCT/KR2020/014804Granted Dec 2024
2023Design of Imbalance Compensator to Mitigate Circulating Currents under Master–Slave Operation of InvertersS. Choi, H. Hwang, Y. ParkJournal of Power Electronics 23(5), 870–880
2023도서지역 전력계통의 주파수 안정도 개선을 위한 가상동기기 기술 현장 적용류효선, 이경규, 허건, 박용순전기학회논문지 72(9), 1035–1040
2023A Method for Synthesizing Virtual Impedance Using a Disturbance Observer in a Virtual Synchronous GeneratorG. Heo, Y. ParkIEEE ECCE, Nashville, TN, USA, 787–794
2023An Optimal Design Method to Tune Damping Parameters in a Virtual Synchronous MachineC. Jeong, G. Heo, Y. ParkICPE 2023 – ECCE Asia, Jeju, Korea, 997–1005
2023Current Limiting Strategy of Single-Phase Standalone Inverter for Direct-On-Line Starting of an Induction MotorK. Kim, Y. ParkICPE 2023 – ECCE Asia, Jeju, Korea, 771–777
2023Active Power Control Strategy for a Virtual Synchronous Machine Under Overload ConditionsG. Heo, Y. Park, K. Lee, H. RyuICPE 2023 – ECCE Asia, Jeju, Korea, 1006–1011
2023단상 가상 동기기의 성능 개선을 위한 외란 관측기 기반 가상 임피던스 설계허건, 박용순전력전자학회 학술대회 논문집, 222–224우수논문상
2023단상 유도전동기의 직입 기동 시 PR 제어기의 정현파 전류 제한양혜지, 박용순전력전자학회 학술대회 논문집, 180–182
2023Implementation of a Synchronous Signal Generator with a 4th-Order FilterJaehyun Park · Adviser: Y. ParkM.S. thesis, GIST · Graduate School of Energy Convergence, 2023
2023A Sinusoidal Current Limiting Strategy for the PR Controller of a Single-Phase UPS InverterHyeji Yang · Adviser: Y. ParkM.S. thesis, GIST · Graduate School of Energy Convergence, 2023
2023A Carrier-Based PWM Method Using a Limited Range of Zero-Sequence Voltage for Common-Mode Voltage Reduction in a Three-Level InverterDahyun Han · Adviser: Y. ParkM.S. thesis, GIST · Graduate School of Energy Convergence, 2023
2023A Research on the Optimal Damping Parameter Design Method for CURESYM Using Eigenvalue AnalysisChaeyoung Jeong · Adviser: Y. ParkM.S. thesis, GIST · Graduate School of Energy Convergence, 2023
2023Inverter Using Grid Forming and Method of Operating the InverterY. Park et al.PCT/KR2023/000344Filed · PCT
2023Apparatus for Generating Synchronization Signals for Parallel Electrical Devices, and Method of OperationY. Park et al.KR 10-2615427Granted
2023Parallel Operation System of Three-Phase Inverters and DC-Link Voltage Compensation MethodY. Park et al.KR 10-2539725Granted
2022A Vector-Splitting Method for Neutral-Point Voltage Regulation in a Three-Level InverterH. Hwang, W. Lee, Y. ParkJournal of Power Electronics 22(5), 773–783JPE Baekhyun Award
2022Pulsewidth Modulation Method to Balance the Loss Distribution of a Dual Inverter Driving an Open-End Winding MotorK. Kim, Y. ParkJournal of Power Electronics 22(5), 809–820
2022도서지역 계통 연계를 위한 가상동기기의 파라미터 설계 방법한다현, 허건, 정채영, 김우영, 박용순대한전기학회 학술대회 논문집, 1300–1301
2022A Research of Transformer Design and Leakage Inductance Reduction Method for a High Step-Up DC–DC ConverterMinyeong Kwon · Adviser: Y. ParkM.S. thesis, GIST · Graduate School of Energy Convergence, 2022
2022Anti-Islanding Detection Method for a Grid-Connected Inverter Based on Current Vector ControlWoosuk Lee · Adviser: Y. ParkM.S. thesis, GIST · Graduate School of Energy Convergence, 2022
2022Apparatus and Method for Implementing a Virtual Synchronous Generator with Reduced Current Control ErrorY. Park et al.KR 10-2022-0083716Filed
2021Vector-Splitting Method to Reduce Common-Mode Voltages in Two-Level Inverters for Grid ConnectionG. Heo, Y. Park, J. Lee, S. JuIEEE Transactions on Industrial Electronics 68(11), 11044–11052Top 2.6% in category
2021변조지수에 따른 공통모드 전압 저감 PWM 기법 성능 비교허건, 박용순전력전자학회 논문지 26(2), 135–140
2021개방권선 전동기 구동용 이중 인버터의 최소 스위칭을 위한 전압 변조 방법김기향, 박용순2021 전력전자학회 하계학술대회, 10–12
2021실시간 계통 시뮬레이터를 활용한 분산형 전원의 무효전력 제어 효과 분석정채영, 허건, 박용순대한전기학회 전기기기 및 에너지변환시스템부문회 추계학술대회, 41–42
2021Inverter Capable of Detecting Islanding Operation, and Method of Operating the InverterY. Park et al.KR 10-2285033Granted
2021Voltage Synthesis Apparatus for Common-Mode Voltage Reduction in a Three-Phase Voltage-Source InverterY. Park et al.KR 10-2282444Granted
2020Digital Implementation Methods for Grid Synchronization Using an Integrated FilterY. Park, D. H. Moon, G. HeoJournal of Power Electronics 20(5), 1261–1272
2020변조지수에 따른 공통모드 전압 저감 기법 성능 비교허건, 박용순2020 전력전자학회 하계학술대회, 106–108우수논문상
2020수요반응 HILS 구현을 위한 정류기 부하 모델링최승보, 문동현, 박용순2020 대한전기학회 하계학술대회, 1315–1316
2020A Study on the Optimum Starting Point Considering the Inrush Current of a Grid-Connected InverterDonghyun Moon · Adviser: Y. ParkM.S. thesis, GIST · Interdisciplinary Program of Energy, 2020
2020Control Apparatus, Control Method and Recording Medium for Grid Synchronization ControlY. Park et al.KR 10-2176532Granted
2020Integrated Charger for Electric VehiclesY. Park et al.KR 10-2141100Granted
2019Analysis and Improvement of a Digital Resonant Controller for Harmonic Control of a Grid SystemJaehyun Ha · Adviser: Y. ParkM.S. thesis, GIST, 2019
2019A PWM Method Using Vector Division for Neutral-Point Voltage Control in a Three-Level InverterHankyu Hwang · Adviser: Y. ParkM.S. thesis, GIST, 2019
2018Pulsewidth Modulation Strategy in Double-Delta Sourced WindingY. Park, S.-K. SulIEEE Transactions on Industry Applications 54(3), 2550–2559
2018전기자동차용 통합충전기의 모델링 및 전류제어기 설계허건, 박용순2018 전력전자학회 추계학술대회, 42–44
2017Vector Control of Double-Delta Sourced Winding for a Dual-Winding Induction MachineY. Park, J.-M. Yoo, S.-K. SulIEEE Transactions on Industry Applications 53(1), 171–180
2017Frequency-Adaptive Observer to Extract AC-Coupled Signals for Grid SynchronizationY. Park, H.-S. Kim, S.-K. SulIEEE Transactions on Industry Applications 53(1), 273–282
20173레벨 인버터의 중성점 전압 제어 제한 영역에 관한 연구황한규, 박용순2017 전력전자학회 추계학술대회, 95–96
2017Apparatus and Method for Estimating the Inductance of a Permanent Magnet Synchronous MotorY. Park et al.KR 10-1761740 · US 8,786,230Granted · KR, US
2016Linear Overmodulation Strategy for Current Control in a Photovoltaic InverterY. Park, S.-K. Sul, K.-N. HongIEEE Transactions on Industry Applications 52(1), 322–331
2016Pulse-Width Modulation Strategy in Double-Delta Sourced WindingsY. Park, S.-K. SulIEEE ECCE, Milwaukee, WI, USA
2015Current Regulation and Fault Tolerance in a Double-Delta Sourced TransformerY. Park, J.-M. Yoo, S.-K. SulIEEE ECCE, Montreal, QC, Canada, 1541–1548
2015Multi-Level Operation of Triple Two-Level PWM ConvertersS. Ohn, Y. Park, S.-K. SulIEEE ECCE, Montreal, QC, Canada, 4283–4289
2015Frequency-Adaptive Observer to Extract AC-Coupled Signals for Grid SynchronizationY. Park, H.-S. Kim, S.-K. SulICPE 2015 – ECCE Asia, Seoul, Korea, 1188–1194
2015Double-Delta Sourced Winding for a Dual-Winding Induction MachineY. Park, J.-M. Yoo, S.-K. SulICPE 2015 – ECCE Asia, Seoul, Korea, 77–85
2015Multi-Level Operation of PWM Converter with Double-Delta Source WindingY. Park · Adviser: S.-K. SulPh.D. thesis, Seoul National University · Dept. of Electrical and Computer Engineering, Feb 2015Best thesis award
2015AC Electric Machine and Drive Apparatus Including the SameY. Park et al.KR 10-1572978 · PCT/KR2014/006212Granted
2014Multi-Level Operation with Two-Level Converters Through a Double-Delta Source Connected TransformerY. Park, S. Ohn, S.-K. SulJournal of Power Electronics 14(6), 1093–1099
2014Sensorless Control Method for PMSM Based on a Frequency-Adaptive Disturbance ObserverY. Park, S.-K. SulIEEE Journal of Emerging and Selected Topics in Power Electronics 2(2), 143–151Top 9.7% in category
2014Phase-Locked Loop Based on an Observer for Grid SynchronizationY. Park, S.-K. Sul, W.-C. Kim, H.-Y. LeeIEEE Transactions on Industry Applications 50(2), 1256–1265
2014Implementation Schemes to Compensate for Inverter Nonlinearity Based on Trapezoidal VoltageY. Park, S.-K. SulIEEE Transactions on Industry Applications 50(2), 1066–1073
2014Linear Over-Modulation Strategy for Current Control in a Photovoltaic InverterY. Park, S.-K. Sul, K.-N. HongIPEC-Hiroshima 2014 – ECCE Asia, Hiroshima, Japan, 2598–2605
2014멀티레벨 운전을 위한 4권선 변압기의 삼중 델타 전원 연결온성재, 박용순, 설승기전력전자학회 학술대회 논문집, 48–49
2014Three-Level Photovoltaic Inverter with Asymmetric DC-Link Voltage Control for Separate MPPT DrivingY. Park et al.KR 10-1351650 · US 9,209,707 · EP 2,720,339 · JP 5,579,291 · CN 103,715,924Granted · KR, US, EP, JP, CN
2014Photovoltaic Power Generation Apparatus and Maximum Power Control MethodY. Park et al.KR 10-1434789Granted
2014Control Apparatus, Control Method and Recording Medium for Grid Synchronization ControlY. Park et al.KR 10-1451008Granted
2014Three-Phase Power Supply Control Apparatus and Control MethodY. Park et al.KR 10-1359761Granted
2013Asymmetric Control of DC-Link Voltages for Separate MPPTs in Three-Level InvertersY. Park, S.-K. Sul, C.-H. Lim, W.-C. Kim, S.-H. LeeIEEE Transactions on Power Electronics 28(6), 2760–2769Top 2.5% in category
2013Sensorless Control Method for PMSM Based on a Frequency-Adaptive Disturbance ObserverY. Park, S.-K. SulIEEE ECCE, Denver, CO, USA, 3807–3814
2013Phase-Locked Loop Based on an Observer for Grid SynchronizationY. Park, S.-K. Sul, W.-C. Kim, H.-Y. LeeIEEE APEC, Long Beach, CA, USA, 308–315
2012A Novel Method Utilizing Trapezoidal Voltage to Compensate for Inverter NonlinearityY. Park, S.-K. SulIEEE Transactions on Power Electronics 27(12), 4837–4846Top 2.9% in category
2012Analysis of Estimation Errors in Rotor Position for a Sensorless Control System Using a PMSMY. Park, S.-K. Sul, J.-K. JiJournal of Power Electronics 12(5), 748–756JPE Paper Award
2012역상분 전압 주입을 이용한 태양광 인버터의 단독 운전 검출김병헌, 박용순, 설승기, 김우철, 이현영전력전자학회 논문지 17(6), 546–552
2012Maximum Power Point Tracking for a Single-Stage Grid-Connected PV System Under Partial Shading ConditionsM. F. Kashif, S. Choi, Y. Park, S.-K. SulIPEMC 2012, Harbin, China, 1377–1383Best paper award
2012Compensation of Inverter Nonlinearity Based on Trapezoidal VoltageY. Park, S.-K. SulIEEE ECCE, Raleigh, NC, USA, 2292–2299
2011영구자석 동기 전동기의 제정수 오차가 센서리스 운전에 미치는 영향박용순, 설승기, 지준근, 박영재, 이동환전력전자학회 논문지 16(1), 71–78
2011A Novel Method to Compensate for the Non-Linearity of an Inverter in Sensorless Operation of a PMSMY. Park, S.-K. SulICPE 2011 – ECCE Asia, Jeju, Korea, 915–922
2011역상분 전압 주입을 이용한 태양광 인버터의 단독 운전 검출김병헌, 박용순, 설승기, 김우철, 이현영전력전자학술대회 논문집
2011Maximum Power Point Tracking Under Partial Shading ConditionM. F. Kashif, 박용순, 설승기전력전자학술대회 논문집, 40–41
2010영구자석 동기 전동기의 제정수 오차가 센서리스 운전에 미치는 영향박용순, 설승기전력전자학술대회 논문집
2010On-Line Estimation of Inductance of PMSM in Sensorless OperationY. Park · Adviser: S.-K. SulM.S. thesis, Seoul National University · Dept. of Electrical and Computer Engineering, Aug 2010
2009전기 자전거에서의 회생 에너지 제어박용순, 이학준, 설승기, 김강수, 김재용, 김택현전력전자학술대회 논문집, 917–918