研究目的
To address the intermittent nature of photovoltaic (PV) sources in standalone applications by proposing a hybrid PV-fuel cell system with a battery backup, ensuring reliable power supply under varying environmental conditions.
研究成果
The proposed hybrid PV-FC-Battery system with the developed load sharing strategy successfully fulfills a domestic daily load under varying irradiance conditions in Egypt. The system ensures reliable power supply by effectively managing power flow among PV, FC, and batteries, demonstrating its potential for standalone applications.
研究不足
The study is based on simulation results, which may not fully capture real-world operational challenges. The system's performance under extreme weather conditions or longer periods of low irradiance was not extensively tested.
1：Experimental Design and Method Selection:
The study involves designing a hybrid system with PV as the primary energy source, fuel cell (FC) as the backup, and batteries for emergency supply. A load sharing strategy is developed to manage power flow among these sources under variable load and irradiance conditions.
2：Sample Selection and Data Sources:
The system is tested under real irradiance daily curves during June and December in Egypt-Cairo to simulate summer and winter conditions.
3：List of Experimental Equipment and Materials:
Includes a PV array of SunPower SPR-425E-WHT-D modules, a 45V, 6 kW PEM fuel cell, a battery bank of six series 12V, 35Ah lead-acid batteries, and various DC/DC converters.
4：Experimental Procedures and Operational Workflow:
The system's performance is validated through MATLAB/SIMULINK simulations under six scenarios of varying irradiance and load demand, covering all operation modes.
5：Data Analysis Methods:
Simulation results are analyzed to verify the effectiveness of the proposed power management strategy and control scheme.
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