研究目的
Investigating the conversion of solar energy to hydrogen energy more efficiently using a photovoltaic powered electrolysis converter system with maximum power point tracking control.
研究成果
The proposed photovoltaic powered electrolysis converter system with maximum power point tracking control efficiently converts solar energy to hydrogen energy, achieving more than 90% efficiency under high irradiance levels. The system demonstrates stability under normal, short circuit, and open circuit conditions, making it a promising solution for renewable energy storage.
研究不足
The study is based on simulation results, and practical implementation may face challenges such as component losses, temperature effects on efficiency, and the need for further optimization of the control system.
1：Experimental Design and Method Selection:
The study uses a photovoltaic (PV) panel to convert solar energy into electrical energy, which is then converted to the desired voltage level using a DC-DC buck converter for hydrogen generation through electrolysis. A maximum power point tracking (MPPT) algorithm and a proportional integral (PI) controller are employed to optimize the system's efficiency.
2：Sample Selection and Data Sources:
The PV panel selected is a 250 W commercial photovoltaic panel (Trina Solar TSM-250PA05.08), with its electrical characteristics used for simulation.
3：08), with its electrical characteristics used for simulation.
List of Experimental Equipment and Materials:
3. List of Experimental Equipment and Materials: The system includes a PV panel, a DC-DC buck converter, an electrolysis load, and control systems (MPPT and PI controller) simulated in MATLAB/Simulink.
4：Experimental Procedures and Operational Workflow:
The PV energy is converted to the required voltage level for electrolysis using the buck converter. The MPPT algorithm ensures the PV panel operates at its maximum power point, and the PI controller stabilizes the output voltage for the electrolysis process.
5：Data Analysis Methods:
The system's performance is analyzed through simulation results, including PV source voltage, current, and power, as well as electrolysis load voltage, current, and power under various conditions.
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