Improved system control logic for an MCHP system incorporating electric storage

C.D. Ummenhofer, G. Heyer, T. Roediger, J. Olsen and J. Page

Applied Energy, 2017, vol. 203, issue C, 737-751

Abstract: In this study, we assessed the performance and suitability of a novel control strategy for both a Mini Combined Heat and Power (MCHP) unit and a photovoltaic system, combined with thermal (TES) and electric (EES) energy storage systems. The newly developed control strategy incorporates a forecast for the photovoltaic system output throughout the day, coupled with a daily electric load projection. It also takes the current storage levels of the TES and the EES into account and identifies favourable EES system capacity set-points throughout the day. A simulation model of such a system was realised in Matlab and the performance of the new electric storage-following operational control compared to an identical system operated under a thermal load-following strategy. Furthermore, the investigated system was also analysed against a photovoltaic system with an EES, but without an MCHP unit.

Keywords: MCHP; System control; Distributed energy systems; Cogeneration; Electric storage-following; Thermal load-following; Energy storage; PV system; Degree of self-sufficiency (search for similar items in EconPapers)
Date: 2017
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Citations: View citations in EconPapers (6)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:appene:v:203:y:2017:i:c:p:737-751

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DOI: 10.1016/j.apenergy.2017.06.035

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