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이코노마이저 시스템 제어 방식에 따른 커미셔닝 효과 검토: “H”빌딩 운영 데이터를 중심으로 Evaluation of Commissioning Benefits by Varying Control Types for Economizer System: Focusing on the operational data of the “H” Building

논문 기본 정보

저자정보
(국립한밭대학교) (한국건설기술연구원) (국립한밭대학교) (국립한밭대학교) (한미사이언스) (국립한밭대학교) (국립한밭대학교)
저널정보
대한설비공학회 설비공학논문집 설비공학논문집 제38권 제11호
발행연도
수록면
619 - 631 (13page)
DOI
10.6110/KJACR.2026.38.11.619
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이코노마이저 시스템 제어 방식에 따른 커미셔닝 효과 검토: “H”빌딩 운영 데이터를 중심으로
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    초록·키워드

    This study aimed to evaluate the operational appropriateness of an economizer and to analyze its energy performance under different control methods, based on the operational data of an office building located in Seoul. To this end, simulation cases were defined according to the economizer control method, and a simulation was performed for each case. The results showed that, when the economizer was applied, the outdoor air (OA) intake rate was systematically controlled according to the OA conditions and the prescribed control criteria, and that Case #2 (Differential dry-bulb temperature control) exhibited the highest utilization of OA cooling. Analysis of the mixed air conditions indicated that, during the interseason, both the temperature and the absolute humidity decreased, resulting in conditions favorable for cooling, whereas in summer, the absolute humidity tended to increase due to the high humidity of the OA. In addition, the cooling coil load decreased by up to 9.8% during the interseason and by about 2.8% in summer, confirming the energy-saving effect of economizer operation. In particular, Case #2 showed the best energy-saving performance, a result that differs from those of previous simulation-based studies, which mainly suggested enthalpy-based control methods. These findings indicate that the optimal control method may vary depending on the actual operating conditions of a building and highlight the need for control optimization through commissioning based on operational data.

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