Characteristic Analysis for Electricity Energy Consumption with Segmented Linear Regression Model for Highly Energy Demand Commercial Buildings

Yu-Chan Jeong; Jin-Hwa Jeong; Seon-Han Lee; Young-Tae Chae

doi:10.22696/jkiaebs.20210009

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2021 Vol.15, Issue 1 Preview Page

Research Article

Characteristic Analysis for Electricity Energy Consumption with Segmented Linear Regression Model for Highly Energy Demand Commercial Buildings Segmented Linear Regression 모델 기반 상업용 에너지다소비건물의 전력 소비특성 분석

28 February 2021. pp. 99-110

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Abstract

The electricity energy consumption of commercial building is affected by thermal performance, building operation, occupancy schedule, and several weather parameters. Especially, it is difficult to characterize the end-used energy consumption of exist buildings with a single electricity meter for the whole building. Although many studies have been conducted to develop building energy baseline model to separate building base, heating, and cooling energy consumption from a total meter, the most model has been focused on monthly energy data with heating or cooling degree days and a specific building in general characteristics. This study presents an autonomous process with segmented linear regression model to analyze the characteristics of base, heating, and cooling energy consumption from total electricity meter for several highly energy demand commercial buildings by automatically searching best-fit energy baseline model. The result shows that electricity energy consumption patterns of highly energy demand buildings have one or two change point in correlation with the daily mean outdoor air temperature. In addition, the presented model can specify the baseline energy consumptions from the whole building electricity meter which generally aggregates all energy consumption of the buildings.

Keywords

Segmented linear regression analysis

electricity energy consumption

outdoor air temperature

Highly energy demand commercial building

키워드

Segmented linear regression 분석

냉난방 에너지소비량

외기온도

에너지다소비 상업용 건물

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Information

Publisher :Korean Institute of Architectural Sustainable Environment and Building Systems
Publisher(Ko) :한국건축친환경설비학회
Journal Title :Journal of Korean Institute of Architectural Sustainable Environment and Building Systems
Journal Title(Ko) :한국건축친환경설비학회논문집
Volume : 15
No :1
Pages :99-110
Received Date : 2021-02-16
Revised Date : 2021-02-25
Accepted Date : 2021-02-26
DOI :https://doi.org/10.22696/jkiaebs.20210009

Journal of Korean Institute of Architectural Sustainable Environment and Building Systems ISSN:1976-6483(Print) 2586-0666(Online) 한국건축친환경설비학회논문집

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