Operation of supermarket refrigeration units: a coupled district heating and electric network approach
| Autor: | Tue Vissing Jensen, Thibaut Pierre Richert, Oliver Gehrke, Henrik W. Bindner |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: |
Flexibility (engineering)
Environmental Engineering Electrical load Renewable Energy Sustainability and the Environment Computer science Energy Engineering and Power Technology Refrigeration ComputerApplications_COMPUTERSINOTHERSYSTEMS Coefficient of performance Automotive engineering Work (electrical) Control theory SDG 7 - Affordable and Clean Energy Hydraulic machinery Engineering (miscellaneous) Gas compressor |
| Zdroj: | Richert, T P, Jensen, T V, Gehrke, O & Bindner, H W 2020, ' Operation of supermarket refrigeration units: a coupled district heating and electric network approach ', IET Energy Systems Integration, vol. 2, no. 2, pp. 80-91 . https://doi.org/10.1049/iet-esi.2019.0059 |
| Popis: | Energy system integration between district heating and electrical domains is required for harvesting potential flexibility arising from sector coupling and support the transition to smart energy systems. This work presents a use case for using excess compressor capacity in refrigeration systems to locally couple district heating and electrical distribution networks by providing heat peak-shaving services to the district heating network. A tool-chain for explicit modelling of the electrical, thermal, and control domain using co-simulation is presented. It is based on a quasi-static electrical load flow model, a dynamic thermal-hydraulic district heating model and dedicated controller simulators integrated into the co-simulation information flow. The use case is implemented using the tool-chain and studied for different peak-shaving services request levels. The result shows that the proposed tool-chain is suitable for studying operational aspects of domain-linking components both at the network and the unit level. It is shown that the refrigeration unit can provide peak-shaving services while satisfying the primary cooling needs. Providing heat peak-shaving services allows distributed feed-in into the district heating network and potential new revenues. However, the refrigeration cycle coefficient of performance decreases as its operation changes from air/air to air/water mode. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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