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Open AccessArticle

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

1
Distributed Energy Department, The Szewalski Institute of Fluid-Flow Machinery Polish Academy of Sciences, 80-231 Gdańsk, Poland
2
The Faculty of Engineering and Science Department of Energy Technology Thermal Energy Systems, Aalborg University, 9220 Aalborg, Denmark
*
Author to whom correspondence should be addressed.
Energies 2019, 12(3), 458; https://doi.org/10.3390/en12030458
Received: 21 December 2018 / Revised: 24 January 2019 / Accepted: 29 January 2019 / Published: 31 January 2019
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. View Full-Text
Keywords: control strategy; peak-shaving; mCHP; Stirling engine; renewable energy; energy consumption profile control strategy; peak-shaving; mCHP; Stirling engine; renewable energy; energy consumption profile
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MDPI and ACS Style

Gliński, M.; Bojesen, C.; Rybiński, W.; Bykuć, S. Modelling of the Biomass mCHP Unit for Power Peak Shaving in the Local Electrical Grid. Energies 2019, 12, 458.

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