期刊
ENERGY AND BUILDINGS
卷 166, 期 -, 页码 372-390出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.enbuild.2018.02.040
关键词
Energy flexible buildings; Demand side management; Smart grid; Load control; Demand response
资金
- Portuguese Foundation for Science and Technology [SFRH/BD/87733/2012]
- Danish Council for Independent Research (DFF) [0602-03003B]
- European Union
- European Regional Development Fund ERDF
- Province of Limburg
- Flanders Innovation & Intrapreneurship
As demand response and energy flexibility are often suggested as key principles to facilitate high levels of renewable energy sources into energy markets, different studies evaluated the potential impact of energy flexibility in buildings. Nonetheless, due to differences in definition and quantification methodologies for energy flexibility, comparing results between such studies is difficult. With a review and applied evaluation of existing definitions and quantification methodologies this paper aims at assessing the applicability, benefits and drawbacks of each quantification methodology. The conducted review shows that energy flexibility definitions found in the literature have their particularities despite sharing the same principle that energy flexibility is the ability to adapt the energy profile without jeopardizing technical and comfort constraints. The survey of quantification methodologies reveals two main approaches to quantify energy flexibility. A first approach quantifies energy flexibility indirectly using past data and assuming a specific energy system and/or energy market context. The second approach directly predicts the energy flexibility that a building can offer to the energy system in a bottom-up manner. While applications for both approaches were identified, this paper focuses on the latter. By applying methodologies that follow this second approach to a common case study, three common properties of energy flexibility were observed: i) the temporal flexibility; ii) the amplitude of power modulation; iii) and the associated cost. (C) 2018 Elsevier B.V. All rights reserved.
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