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A hierarchical coordinated demand response control for buildings with improved performances at building group
Dalarna University, School of Technology and Business Studies, Energy Technology. City University of Hong Kong.
Dalarna University, School of Technology and Business Studies, Energy Technology.ORCID iD: 0000-0002-2369-0169
2019 (English)In: Applied Energy, ISSN 0306-2619, E-ISSN 1872-9118, Vol. 242, p. 684-694Article in journal (Refereed) Published
Abstract [en]

Demand response control is one of the common means used for building peak demand limiting. Most of the existing demand response controls focused on single building’s performance optimization, and thus may cause new undesirable peak demands at building group, imposing stress on the grid power balance and limiting the economic savings. A few latest studies have demonstrated the potential benefits of demand response coordination, but the proposed methods cannot be applied in large scales. The main reason is that, for demand response coordination of multiple buildings, associated computational load and coordination complexity, increasing exponentially with building number, are challenges to be solved. This study, therefore, proposes a hierarchical demand response control to optimize operations of a large scale of buildings for group-level peak demand reduction. The hierarchical control first considers the building group as a ‘virtual’ building and searches the optimal performance that can be achieved at building group using genetic algorithm. To realize such optimal performance, it then coordinates each single building’s operation using non-linear programming. For validations, the proposed method has been applied on a case building group, and the study results show that the hierarchical control can overcome the challenges of excessive computational load and complexity. Moreover, in comparison with conventional independent control, it can achieve better performances in aspects of peak demand reduction and economic savings. This study provides a coordinated control for application in large scales, which can improve the effectiveness and efficiency in relieving the grid stress, and reduce the end-users’ electricity bills.

Place, publisher, year, edition, pages
2019. Vol. 242, p. 684-694
Keywords [en]
Peak demand limiting, Demand response, Building group coordination, Economic cost, Grid interaction
National Category
Building Technologies
Research subject
Energy and Built Environments
Identifiers
URN: urn:nbn:se:du-30843DOI: 10.1016/j.apenergy.2019.03.148OAI: oai:DiVA.org:du-30843DiVA, id: diva2:1355740
Available from: 2019-09-30 Created: 2019-09-30 Last updated: 2019-10-01Bibliographically approved

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Publisher's full texthttp://www.sciencedirect.com/science/article/pii/S0306261919305574

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Huang, PeiZhang, Xingxing

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CiteExportLink to record
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Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • chicago-author-date
  • chicago-note-bibliography
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf