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논문 기본 정보

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(Korea Electrical Safety Corporation) (Korea Electrical Safety Corporation) (Korea Electrical Safety Corporation) (Korea Electrical Safety Corporation) (Korea Electrical Safety Corporation) (Korea Electrical Safety Corporation)
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대한전기학회 전기학회논문지 전기학회논문지 제74권 제12호
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    초록·키워드

    This study aims to empirically analyze the impact of optimizer application on photovoltaic (PV) energy yield under identical environmental conditions. The analysis was conducted using a 400kW Phase 2 demonstration facility installed at the Renewable Energy-Linked ESS Safety Evaluation Center. Comparative experiments were performed by configuring optimizer-applied systems (6-1, 7-1) and non-applied systems (6-2, 7-2) using the same module manufacturers (Manufacturer A and B). The test systems were based on four 50kW inverters, with series-parallel configurations reflecting real-world installations. Energy yield was compared based on the cumulative MPPT-level output under equivalent irradiance conditions. In addition, time-series current data and string-level mismatch characteristics were examined. The findings of this study provide empirical evidence on the effectiveness of optimizers, serving as a foundational reference for PV system designers considering their application.

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      UCI(KEPA) : I410-151-26-02-094748431