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Dynamic simulation and performance enhancement analysis of a renewable driven trigeneration system.

Author(s) : ROTAS R., ILIADIS P., NIKOLOPOULOS N., TOMBOULIDES A., KOSMATOPOULOS E.

Type of article: Periodical article

Summary

Research activity in the field of combined cooling heating power (or trigeneration) systems with high renewable energy source (RES) contributions has increased rapidly over the last few years, in line with the European Union legislation about energy communities. However, technical challenges arise regarding the synergetic, sustainable and optimal integration of RES in local energy systems. In the present study, the operation of a trigeneration system located in the student residences of Democritus University of Thrace in Greece is examined. The system involves a combination of highly promising renewable and storage technologies, including solar thermal energy and biomass for heat generation, hot water tanks for thermal energy storage, absorption refrigeration for cooling, along with Organic Rankine Cycle and photovoltaic systems for electricity generation. System modeling and simulation have been implemented in Dymola environment with the use of Modelica equation-based modeling language. The accuracy of the model response has been validated against available measurements. Specific design and control measures have been proposed, simulated in a
transient fashion and evaluated in terms of (i) RES generation, (ii) solar fraction and (iii) temporal flexibility. The measures examined, including the placement of a Li-ion battery, resulted in an increase of 24.6% in the heating demand solar contribution and of 7.9% in the renewable energy generated for the electricity demand, over the examined periods.

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Pages: 27 p.

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  • Original title: Dynamic simulation and performance enhancement analysis of a renewable driven trigeneration system.
  • Record ID : 30029864
  • Languages: English
  • Subject: Technology
  • Source: Energies - 15 - 10
  • Publishers: MDPI
  • Publication date: 2022/06
  • DOI: http://dx.doi.org/10.3390/ en15103688

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