7–11 Jul 2025
University of the Witwatersrand, Johannesburg
Africa/Johannesburg timezone
Registration open until 20 May 2025

Performance Analysis of a Hybrid Renewable Energy Microgrid through Simulation-Based Evaluation and PLC-Controlled Load Management

Not scheduled
2h 50m
Solomon Mahlangu House (University of the Witwatersrand, Johannesburg)

Solomon Mahlangu House

University of the Witwatersrand, Johannesburg

Poster Presentation Track F - Applied Physics Poster Session

Speaker

Avhatakali Ramalata

Description

As South Africa grapples with ongoing energy shortages and rising demand, hybrid renewable energy microgrids have emerged as an effective and scalable approach for supplying power to off-grid and rural communities. This study, which explores the performance of a hybrid microgrid that integrates photovoltaic (PV) panels, fuel cells, and battery storage systems, plays a crucial role in providing valuable insights for implementing sustainable electrification solutions. The focus is on intelligent load management through Programmable Logic Controllers (PLC). A comprehensive system model was developed using MATLAB/Simulink, incorporating actual Masia Community Development Centre load data. Additionally, HOMER software was utilized for system sizing and optimization, tailored to local resource availability and load requirements. Adopting PLC-based load control strategies significantly improved the system's operational efficiency, responsiveness, and reliability in fluctuating demand conditions. The results underscore the essential role of automation and advanced control techniques in enhancing the effectiveness of hybrid renewable energy systems, providing valuable insights for implementing sustainable electrification solutions in underserved and remote regions throughout South Africa.

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Primary author

Avhatakali Ramalata

Co-authors

David Tinarwo (University of Venda) SOPHIE MULAUDZI (University of Venda)

Presentation materials

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