研究目的
To propose and validate an autonomous renewable energy micro-grid system for telecommunication base stations in areas with unreliable or no grid connection, using Solar Photovoltaics, Wind Turbine, and a Regenerative Hydrogen Fuel Cell as back-up power.
研究成果
The proposed autonomous renewable energy generating and back-up system is successfully validated using MATLAB/Simulink. The system provides the full load requirements of the cell phone tower throughout the year and can be scaled accordingly. LCOE calculations show the economic potential of an RHFC as back-up for micro-grids, with a LCOE of 6.71 p/kWh, making it the cheapest back-up option for this application.
研究不足
The study focuses on a specific application (telecommunication base stations) and location (near Dakar, Senegal). The economic analysis is sensitive to the underlying data, and the system's performance may vary in different climatic conditions or with different load requirements.
1：Experimental Design and Method Selection:
The system is modeled in MATLAB/Simulink to validate its reliability in energy supply throughout the year. The model includes Solar Photovoltaics, Wind Turbine, and a Regenerative Hydrogen Fuel Cell (RHFC) as components.
2：Sample Selection and Data Sources:
Real-life weather data is used for simulation and optimization of a 25kW micro-grid near Dakar, Senegal.
3：List of Experimental Equipment and Materials:
Solar PV array, Wind Turbine, PEM Fuel Cell, Electrolyser, Metal Hydride hydrogen tank.
4：Experimental Procedures and Operational Workflow:
The system is designed to follow the load and recognize the cheapest source of electricity to power the load. Excess energy is used to generate hydrogen for storage, which is then used to power the fuel cell when renewable energy is insufficient.
5：Data Analysis Methods:
Levelised Cost of Electricity (LCOE) is calculated based on the outcomes of the MATLAB/Simulink model to assess the economic potential of the RHFC as back-up for micro-grids.
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