Energy Management Strategies for PV/Diesel Hy-brid Systems in Remote Areas: Effects of “Flexy-Energy” Strategy

Amidou Singho Boly, Daniel YAMEGUEU, Yézouma Coulibaly

Abstract


Energy management strategies are essential for the operation of hybrid energy systems. This paper focuses mainly on the implementation of a novel energy management strategy called Flexy-energy. A simulation tool was developed for power plants operating under this approach. The Operating range of load ratios (OpR) was used as an optimisation parameter to assess the performance of the strategy. The performance of the Flexy-energy strategy was then compared to the load following (LF) and cycle charging (CC) strategies, two strategies widely used in the management of hybrid energy systems. The Levelized Cost of Electricity (COE) is the main performance parameter considered in this paper. Two main outcomes have emerged from the present study. First, the Flexy-energy management strategy presents a lower COE comparatively to the LF and CC strategies. Second, the operating range of load ratios of diesel generators should be as large as possible for the Flexy-energy approach to minimise the COE. Indeed, under the Flexy-energy strategy, the scenario with an operating range of load ratios (OpR) within [25–100] has a COE of 9% lower than the COE of the case with an OpR within [80–100].

Keywords


energy; solar energy; electrical engineering

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DOI (PDF): https://doi.org/10.20508/ijrer.v11i1.11562.g8171

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