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논문 기본 정보

자료유형
학술저널
저자정보
엄지영 (한국건설기술연구원) 김용기 (한국건설기술연구원)
저널정보
한국태양에너지학회 한국태양에너지학회 논문집 한국태양에너지학회 논문집 제42권 제1호
발행연도
2022.2
수록면
115 - 125 (11page)

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The discussion about carbon neutrality has recently spread worldwide in response to the climate crisis. In Korea, the concept of zero-energy buildings is one of the means to reduce carbon emissions in the construction sector. Photovoltaic (PV) power systems are the most commonly installed renewable energy systems in residential buildings. However, the installed PV capacity in apartment houses is limited because of difficulty in securing PV installation area and inability to process the surplus PV power. Battery energy storage systems (BESSs) are emerging as a means for the storage and reuse of surplus PV power. In this study, the energy-saving effect of a residential BESS connected to a rooftop PV system was analyzed for eight households in a multi-family house. The data of the main load power (grid supply) and PV+BESS power from households collected from August to October 2021 were analyzed. During the operation of the BESS, the surplus PV power was stored in the battery, and the PV+BESS power was continuously supplied to the load by discharging the battery regardless of the PV power time. Based on the average representative data for 6 days, the power saving rate was approximately 26.0% for the rooftop PV system and approximately 41.8% for the BESS.

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Abstract
1. 서론
2. 실증 방법
3. 실증 결과
4. 결론
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