Priority load control algorithm for optimal energy management in stand-alone photovoltaic systems

J. Faxas-Guzmán, R. García-Valverde, L. Serrano-Luján and A. Urbina

Renewable Energy, 2014, vol. 68, issue C, 156-162

Abstract: In stand-alone PV System facilities no grid connection exists, therefore the solar generator and battery bank have to be carefully sized in order to supply the energy demand for a given period of time. Batteries are considered as a weak component of the system, comprising an important part of the total cost and are usually replaced one or two times during PV system lifetime. A priority load control algorithm has been developed in order to gain an optimal energy management over system loads and the battery storage, and therefore provides a better energy management efficiency and guarantee the energy supply for critical loads. This will increase the reliability of the system and the end-user satisfaction. This article describes a stand-alone PV system model used for the development of a priority load control algorithm and explains and implements the algorithm. The results of several test scenario simulations are shown and discussed.

Keywords: Priority load control; Energy management; Controllable loads; Stand-alone photovoltaic system (search for similar items in EconPapers)
Date: 2014
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Citations: View citations in EconPapers (9)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:68:y:2014:i:c:p:156-162

DOI: 10.1016/j.renene.2014.01.040

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