研究目的
To propose and analyze a novel Lipschitz optimization (LIPO) MPPT algorithm that is effective under partially shading conditions (PSCs) for photovoltaic systems, ensuring fast tracking speed and high efficiency.
研究成果
The proposed LIPO MPPT algorithm demonstrates superior performance under PSCs, with fast tracking speed and high efficiency (above 98%). It outperforms the M-PSO and M-firefly algorithms in both simulations and experiments, making it a promising solution for PV systems under partial shading conditions.
研究不足
The study is limited to specific PSCs and a particular PV array configuration. The performance of the LIPO MPPT algorithm under varying environmental conditions and different PV system configurations needs further investigation.
1:Experimental Design and Method Selection:
The study involves the analysis of PV array characteristics under PSCs and the development of a LIPO-based MPPT algorithm. The algorithm's performance is compared with M-PSO and M-firefly algorithms through simulations and experiments.
2:Sample Selection and Data Sources:
A PV array with a boost converter is used for testing. The PV array's output characteristics under various PSCs are analyzed.
3:List of Experimental Equipment and Materials:
A boost converter, PV simulator (IT6515C), digital signal processor (TMS320F28335), and resistive load are used.
4:Experimental Procedures and Operational Workflow:
The LIPO MPPT algorithm is implemented and tested under different PSCs. Its performance is compared with M-PSO and M-firefly algorithms in terms of tracking speed and efficiency.
5:Data Analysis Methods:
The tracking efficiency and speed of the algorithms are analyzed based on simulation and experimental results.
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