INTERNATIONAL JOURNAL PAPERS (SCI/SCIE)
■ M. Hwang, K. S. Kook, "Primary Frequency Reserve Providing Strategy of Doubly-Fed Induction Generator Wind Generation Using Rotor Inertia Characteristics," IEEE Access, 2024
■ W. Y. Choi, K. S. Kook , J. O. Lee, "Frequency Stability-Based Penetration Limit Evaluation of Variable Energy Resources in Power Systems for Online Application," IEEE Access, 2024
■ D. J. Chae, K. S. Kook, "Inertia Energy-Based Required Capacity Calculation of BESS for Achieving Carbon Neutrality in Korean Power System," Energies, 2024
■ J. Y. Yang, Y. H. Song, K. S. Kook, "Critical Inertia Calculation Method of Generators Using Energy Balance Condition in Power System," Energies, 2024
■ W. Y. Choi, K. S. Kook , H. J. Yoo, "Effect Quantification of BESS Providing Frequency Response on Penetration Limit of VER in Power Systems," Energies, 2022
■ H. N. Gwon, K. S. Kook, "Dynamic-Model-Based AGC Frequency Control Simulation Method for Korean Power System," Energies, 2020
■ J. H. Moon, H. N. Gwon, G. R. Jo, W. Y. Choi, K. S. Kook , "Stochastic Modeling Method of Plug-in Electric Vehicle Charging Demand for Korean Transmission System Planning," Energies, 2020
■ S. G. Noh, W. Y. Choi, K. S. Kook , "Operating-Condition-Based Voltage Control Algorithm of Distributed Energy Storage Systems in Variable Energy Resource Integrated Distribution System," Electronics, 2020
■ H. N. Gwon, W. Y. Choi, K. S. Kook , "Evaluation Method for Penetration Limit of Renewable Energy Sources in Korean Power System," Energies, 2019
■ W. Y. Choi, K. S. Kook , G. R. Yu, "Control Strategy of BESS for Providing Both Virtual Inertia and Primary Frequency Response in the Korean Power System," Energies, 2019
국내학술지 (SCOPUS/한국연구재단등재지)
■ Y. C. Kim, Y. H. Song, T. S. Lee, K. S. Kook, "Effect Analysis and Operation Method of the ESS for Relieving Power Generation Constraints of Non-Tripping Generators in SPS," Trans. Korean. Inst. Elect. Eng., 2024
■ H. W. Jo, Y. H. Song, K. S. Kook, "A Method for Calculating Frequency Regulation Reserve Requirements Considering Renewable Energy Expansion Plans," Trans. Korean. Inst. Elect. Eng., 2024
■ Y. Y. Lee, J. Y. Yang, Y. H. Song, K. S. Kook, "Penetration Limit Evaluation Method of Variable Renewable Source considering the HVDC Interconnection of Power System between Countries," Trans. Korean. Inst. Elect. Eng., 2023
■ Y. Y. Lee, J. Y. Yang, Y. H. Song, K. S. Kook, "Evaluation Method of the Steady-State Penetration Limit of Variable Renewable Source considering the Operating Conditions of the Korean Power System", Trans. Korean. Inst. Elect. Eng., 2023
■ Y. H. Song, J. Y. Yang, Y. Y. Lee, K. S. Kook, "Quantification Method of the PFR Substitution Effect by BESS for Frequency Regulation considering the Increased Penetration of Renewable Energy Sources", Trans. Korean. Inst. Elect. Eng., 2022
■ W. Y. Choi, K. S. Kook , "An Evaluation Methodology of Frequency Response from Various Resources for Increasing the Penetration of Renewable Energy Sources in the Power System", Trans. Korean. Inst. Elect. Eng., 2022
■ K. S. Kook , J. H. Lee, J. H. Moon, W. Y. Choi, K. J. Park, D. S. Jang, "Grid Connected Modeling of Primary Frequency Recovery Reserve Provided by Electric Vehicle Considering Characteristics of Electric Vehicle Charge/Discharge Control Integrated Environment," KEPCO Journal on Electric Power and Energy, 2021
■ G. R. Jo, W. Y. Choi, K. S. Kook , "A Frequency Response Performance based Quantification Method of RES Contribution on the Power System Inertia", Trans. Korean. Inst. Elect. Eng., 2021
■ H. N. Yu, W. Y. Choi, K. S. Kook , "A Control Strategy of BESS and its Real-Time simulation for increasing the Hosting Capacity of Variable Energy Resources in the Distribution System", Trans. Korean. Inst. Elect. Eng., 2021
■ W. Y. Choi, G. R. Jo, J. H. Lee, K. S. Kook , "A Performance Evaluation and its Quantification Method of Frequency Response from RES based on Grid Connection Code in Korean Power System", Trans. Korean. Inst. Elect. Eng., 2020
■ S. G. Noh, W. Y. Choi, H. N. Yu, K. S. Kook , "Hosting Capacity Calculation Method for Variable Energy Resources based on the Operation Simulation of Distribution System," Trans. Korean. Inst. Elect. Eng., 2020
■ S. H. Song, W. Y. Choi, K. S. Kook , "Outage Rate Calculating Method of Energy Storage System for the Application on Power System Operation," Journal of IKEEE, 2019
■ S. H. Song, W. Y. Choi, H. N. Gwon, K. S. Kook , "Required capacity assessment of energy storage system for relieving operation condition of SPS using generator acceleration energy," Trans. Korean. Inst. Elect. Eng., 2019
■ H. O. Lim, W. Y. Choi, H. N. Gwon, K. S. Kook , "Effective capacity calculation of the electrical energy storage providing the primary frequency control service based on the contribution to the frequency response of power systems," Trans. Korean. Inst. Elect. Eng., 2017
■ W. Y. Choi, G. R. Yu, K. S. Kook , "Operating Method of BESS for Providing AGC Frequency Control Service Considering Its Availability Maximization", Trans. Korean. Inst. Elect. Eng., 2016
■ G. R. Yu, W. Y. Choi, K. S. Kook , "Integrated Control Strategy of Multiple BESS for providing Primary Frequency Control", Trans. Korean. Inst. Elect. Eng., 2016
■ H. N. Gwon, W. Y. Choi, K. S. Kook , "Study on Calculation of Dynamic Penetration Limit of WTG and Applications of BESS in Power Systems," KEPCO Journal on Electric Power and Energy, 2015
INTERNATIONAL CONFERENCE PAPERS
■ W. Y. Choi, K. S. Kook, Y. H. Song, J. H. Jeon, "Quantification on Frequency Support Performance for Battery Energy Storage System in Power System," 2024 IEEE Power & Energy Society General Meeting (PESGM), 2024
■ W. Y. Choi, K. S. Kook, D. H. Lee, "An Effect Study of BESS based Frequency Response for Increasing the Penetration Limit of VER in Power System," 9th international conference on Advanced Power System Automation & Protection (APAP 2021), 2021
■ W. Y. Choi, K. S. Kook, "Impact Analysis of BESS for Providing Frequency Response in Korean Power System", 7th international conference on Advanced Power System Automation & Protection (APAP 2017), 2017
■ W. Y. Choi, G. R. Yu, H. O. Lim, K. S. Kook, "Potential Analysis of BESS for Supporting Frequency Response Considering KEPCO Plan in 2015," International Smart Grid Conference, 2015