From Consumption to Prosumption - Operational Cost Optimization for Refrigeration System With Heat Waste Recovery

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Abstract

Implementation of liquid cooling transforms a refrigeration system into a combined cooling and heating system. Reclaimed heat can be used for building heating purposes or can be sold. Carbon dioxide based refrigeration systems are considered to have a particularly high potential for becoming ecient heat energy producers. In this paper a CO2 system that operates in the subcritical region is examined. Modelling approach is presented, and used for operation optimisation by way of non-linear model predictive control techniques. Assuming that the heat is sold when using both objective functions, it turns out that the system have negative operational cost. In case when Cost Minimization objective function is used daily revenue is about 7:9 [eur], for Prosumption one it is 11:9 [eur].
Original languageEnglish
Book seriesIFAC-PapersOnLine
Volume50
Issue number1
Pages (from-to)11257-11262
Number of pages6
ISSN2405-8963
DOIs
Publication statusPublished - 1 Aug 2017
Event2017 IFAC Congress -
Duration: 9 Jul 201714 Jul 2017
https://www.ifac2017.org/

Conference

Conference2017 IFAC Congress
Period09/07/201714/07/2017
Internet address

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