Abstract

Several energy management strategies, of increasing complexity, are compared in term of cost benefit for a Photovoltaic /battery system providing electricity to an accommodation building with an electric vehicle. Rule based control methods with or without production forecasting are implemented and compared to a linear programming strategy used as a reference. The improvement in term of gain between simplest and reference methods is about 27%. It appears that the battery cycles number differs greatly (up to 55%), leading to a more or less rapid ageing. Battery degradation models are thus added and a corresponding cost is introduced in the strategy benefit. The results, depending on the initial battery cost, are significantly impacted, changing the relevance of the control strategies.

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