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논문 기본 정보

저자정보
(KEPCO Research Institute) (KEPCO Research Institute) (KEPCO Research Institute) (KEPCO Research Institute)
저널정보
대한전기학회 전기학회논문지 전기학회논문지 제74권 제11호
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    초록·키워드

    The increasing integration of renewable energy poses a significant threat to the voltage stability of regional power systems, such as in the Gwangju-Jeonnam province. This paper proposes a dynamic voltage stability assessment methodology applicable within a Local Renewable Management System (LRMS). The proposed methodology periodically calculates the ’maximum renewable energy hosting capacity’ by integrating real-time grid data and conducting contingency-based simulations using DSA(Dynamic Security Assessment) Tools. A case study using actual data from the Gwangju-Jeonnam grid successfully identified the potential risk of voltage collapse on a day without renewable energy curtailment and quantified the stable hosting limit. This study demonstrates that the proposed methodology can provide grid operators with a quantitative tool for proactive decision-making, contributing to the stable operation of the power grid while maximizing the utilization of renewable energy.

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