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    New Information Technology Findings from Korea Electric Power Corporation Described (Data-Driven Modeling of Vehicle-to-Grid Flexibility in Korea)

    May 26, 2023 - Daily Asia Business


      2023 MAY 25 (NewsRx) -- By a News Reporter-Staff News Editor at Daily Asia Business -- Research findings on information technology are discussed in a new report. According to news reporting originating from Daejeon, South Korea, by NewsRx correspondents, research stated, “With the widespread use of electric vehicles (EVs), the potential to utilize them as flexible resources has increased. However, the existing vehicle-to-grid (V2G) studies have focused on V2G operation methods.”

      Funders for this research include Korea Electric Power Corporation.

      The news editors obtained a quote from the research from Korea Electric Power Corporation: “The operational performance is limited by the amount of availability resources, which represents the flexibility. This study proposes a data-driven modeling method to estimate the V2G flexibility. A charging station is a control point connected to a power grid for V2G operation. Therefore, the charging stations’ statuses were analyzed by applying the basic queuing model with a dataset of 1008 chargers (785 AC chargers and 223 DC chargers) from 500 charging stations recorded in Korea. The basic queuing model obtained the long-term average status values of the stations over the entire time period. To estimate the V2G flexibility over time, a charging station status modeling method was proposed within a time interval. In the proposed method, the arrival rate and service time were modified according to the time interval, and the station status was expressed in a propagated form that considered the current and previous time slots. The simulation results showed that the proposed method effectively estimated the actual value within a 10% mean absolute percentage error.”

      According to the news editors, the research concluded: “Moreover, the determination of V2G flexibility based on the charging station status is discussed herein. According to the results, the charging station status in the next time slot, as well as that in the current time slot, is affected by the V2G. Therefore, to estimate the V2G flexibility, the propagation effect must be considered.”

      For more information on this research see: Data-Driven Modeling of Vehicle-to-Grid Flexibility in Korea. Sustainability, 2023,15(10). (Sustainability - The publisher for Sustainability is MDPI AG.

      A free version of this journal article is available at

      Our news journalists report that additional information may be obtained by contacting Moon-Jong Jang, Smart Power Distribution Laboratory of Korea Electric Power Research Institute, Korea Electric Power Corporation, Daejeon 34056, South Korea. Additional authors for this research include Taehoon Kim, Eunsung Oh.

      ORCID is an identifier for authors and includes bibliographic information. The following is ORCID information for the author of this research: Eunsung Oh (

      (Our reports deliver fact-based news of research and discoveries from around the world.)


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