Modelling of the Biomass mCHP Unit for Power Peak Shaving in the Local Electrical Grid

Michał Gliński, Carsten Bojesen, Witold Rybiński and Sebastian Bykuć
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Michał Gliński: Distributed Energy Department, The Szewalski Institute of Fluid-Flow Machinery Polish Academy of Sciences, 80-231 Gdańsk, Poland
Carsten Bojesen: The Faculty of Engineering and Science Department of Energy Technology Thermal Energy Systems, Aalborg University, 9220 Aalborg, Denmark
Witold Rybiński: Distributed Energy Department, The Szewalski Institute of Fluid-Flow Machinery Polish Academy of Sciences, 80-231 Gdańsk, Poland
Sebastian Bykuć: Distributed Energy Department, The Szewalski Institute of Fluid-Flow Machinery Polish Academy of Sciences, 80-231 Gdańsk, Poland

Energies, 2019, vol. 12, issue 3, 1-14

Abstract: In the article, the method and algorithm for a control strategy of the operation of a micro combined heat and power (mCHP) unit and for reducing the power consumption peaks (peak shaving) are proposed and analyzed. Two scenarios of the mCHP’s operation, namely with and without the control strategy, are discussed. For calculation purposes, a boiler fired with wood pellets coupled with a Stirling engine, manufactured by ÖkoFEN, was used. These results were used to analyze two scenarios of the control strategy. In this study, the operation of mCHP was simulated using the energyPRO software. The application of this control strategy to dispersed mCHP systems allows for a very effective “peak shaving” in the local power grid. The results of calculation using the new algorithm show that the electricity generated by the mCHP system covers the total demand for power during the morning peak and reduces the evening peak by up to 71%. The application of this method also allows for a better reduction of the load of conventional grids, substations, and other equipment.

Keywords: control strategy; peak-shaving; mCHP; Stirling engine; renewable energy; energy consumption profile (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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