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Energies 2013, 6(2), 900-920; doi:10.3390/en6020900
Article

Modeling Supermarket Refrigeration Systems for Demand-Side Management

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Received: 29 September 2012 / Revised: 19 December 2012 / Accepted: 21 January 2013 / Published: 8 February 2013
(This article belongs to the Special Issue Smart Grid and the Future Electrical Network)
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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.
Keywords: refrigeration systems; modeling; smart grid; supervisory control refrigeration systems; modeling; smart grid; supervisory control
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Shafiei, S.E.; Rasmussen, H.; Stoustrup, J. Modeling Supermarket Refrigeration Systems for Demand-Side Management. Energies 2013, 6, 900-920.

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