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Energy Management of PV-Batteries System for a Rural Micro-Grid Application in Guinea

Authors:
Mohamed lamine Touré
Mamadou-Baïlo Camara
Claude Bertin Nzoundja Fapi
Alireza Payman
Brayima Dakyo

Keywords: Photovoltaic; ernergy management system; energy storage batteries; DC-bus voltage regulation; micro-grids.

Abstract:
Integration of solar energy in stand-alone micro-grid applications is an attractive solution for improving access to electrification in remote rural areas and reducing dependence on the main power grid. This paper proposes a control strategy to manage the energy of a hybrid system comprising photovoltaic (PV) solar panels and energy storage batteries. The aim is to maximize the use of PV solar energy by using a PV voltage model that considers the variations of the series resistance as a function of solar irradiance and operating temperature. This ensures optimum operations of the micro-grid and improves energy efficiency. The strategy adopted is based on a dual approach that combines a maximum power point tracking algorithm with incremental conductance to extract the maximum power from the solar panels, and an energy management system based on rules control. The proportional-integral controller regulates the batteries power flow to maintain a stable DC-bus voltage within the micro-grid. System performance is evaluated in the Matlab/Simulink software environment for different load profiles and sunlight conditions. The simulations results show a significant efficiency of the control system with PVs power fluctuations mitigating by the batteries to reduce the current stress for the load.

Pages: 22 to 27

Copyright: Copyright (c) IARIA, 2025

Publication date: October 26, 2025

Published in: conference

ISSN: 2519-8483

ISBN: 978-1-68558-311-8

Location: Barcelona, Spain

Dates: from October 26, 2025 to October 30, 2025