Modeling Supermarket Refrigeration Systems for Demand-Side Management

Seyed Ehsan Shafiei, Henrik Rasmussen, Jakob Stoustrup

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Abstract

Modeling of supermarket refrigeration systems for supervisory control in the smart grid is presented in this paper. A modular modeling approach is proposed in which each module is modeled and identified separately. The focus of the work is on estimating the power consumption of the system while estimating the cold reservoir temperatures as well. The models developed for each module as well as for the overall integrated system are validated by real data collected from a supermarket in Denmark. The results show that the model is able to estimate the actual electrical power consumption with a high fidelity. Moreover a simulation benchmark is introduced based on the produced model for demand-side management in smart grid. Finally, a potential application of the proposed benchmark in direct control of the power/energy consumption is presented by a simple simulation example.
Original languageEnglish
JournalEnergies
Volume6
Issue number2
Pages (from-to)900-920
Number of pages21
ISSN1996-1073
DOIs
Publication statusPublished - 2013

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Keywords

  • refrigeration systems
  • modeling
  • smart grid
  • supervisory control

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