4.7 Article

Control assessment in coupled local district heating and electrical distribution grids: Model predictive control of electric booster heaters

期刊

ENERGY
卷 210, 期 -, 页码 -

出版社

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.energy.2020.118540

关键词

Low-temperature district heating; Electrical distribution network; Integrated networks; Smart energy system; Co-simulation; Model predictive control

资金

  1. European Union's Horizon 2020 research and innovation programme [730936]
  2. cooperation college Smart Industrial Concept (SIC!)
  3. H2020 Societal Challenges Programme [730936] Funding Source: H2020 Societal Challenges Programme

向作者/读者索取更多资源

Intelligent control schemes are essential for the implementation of smart energy systems, where district heating and electric networks are tightly interconnected. The increasing complexity of such networked infrastructure has resulted in the need to test and assess control algorithms before field deployment. This work presents a method to assess advanced control schemes for thermal-electric appliances with explicit consideration of coupled heat and power networks. It is based on closed loop simulation of high-fidelity physical system models, using dynamic thermal-hydraulic district heating and electric distribution network models, and low-fidelity time-discrete advanced control models. Co-simulation is used to perform coupled simulations of the different involved domains and tools. A test case is presented where a model predictive control scheme for grid friendly operation of domestic hot water electric booster heaters is implemented in a low-temperature district heating and low-voltage electric distribution network. Test case results show that the control is able to reduce peaks in district heating and electric networks compared to a simple reference controller. A comparison between using perfect and naive forecasts shows that control performance highly depends on the availability of accurate predictions. The results underline the versatility of the method to assess different control schemes in integrated networks. (C) 2020 The Author(s). Published by Elsevier Ltd.

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