현장 실측을 통한 건물 에너지 진단 방법 연구Study on the Building Energy Audit through Field Measurement
- Other Titles
- Study on the Building Energy Audit through Field Measurement
- Authors
- 조영흠; 백승효; 김광우
- Issue Date
- Jun-2010
- Publisher
- 한국생활환경학회
- Keywords
- Building energy audit; Field measurement; Building commissioning; Building energy audit; Field measurement; Building commissioning
- Citation
- 한국생활환경학회지, v.17, no.6, pp 793 - 799
- Pages
- 7
- Journal Title
- 한국생활환경학회지
- Volume
- 17
- Number
- 6
- Start Page
- 793
- End Page
- 799
- URI
- https://scholarworks.bwise.kr/kumoh/handle/2020.sw.kumoh/27879
- ISSN
- 1226-1289
- Abstract
- This paper demonstrates the building energy audit to evaluate the building's energy performance and identify potential cost-effective energy saving opportunities. An building energy audit was conducted to investigate of existing control sequence for system operation, measure of the chiller plant, DX AHUs and terminal boxes and provide retrofit and control upgrade recommendations to address the comfort problems and improve the energy performance of the HVAC system. The results of building energy audit show that the building is currently using out of date pneumatic control systems, which result in higher energy costs, higher maintenance costs; constant speed fans are used in the systems with variable air volume (VAV) terminal boxes; and the DX condensing units have serious operation reliability and maintenance issues due to intermittent operation. To improve building energy operation and energy performance, recommendations were made: 1) VFDs on the fans were installed, 2) terminal boxes were upgraded to DDC, and 3) condensing units were replaced or converted DX coils to chilled water coil.
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