研究目的
To enable large-signal analysis of an integrated photovoltaic module–converter system based on impedance matching.
研究成果
The proposed method enables efficient large-signal analysis of an integrated PV module–converter system, facilitating the simulation of the whole system and the development of MPPT algorithms. The linearized model accurately represents the PV panel's characteristics under given conditions.
研究不足
The study focuses on certain solar radiation and temperature levels. Dynamic analysis for varying environmental conditions could require additional iterations.
1：Experimental Design and Method Selection:
The study uses the Newton–Raphson method for solving nonlinear equations corresponding to a discrete equivalent circuit model of a PV system.
2：Sample Selection and Data Sources:
The characteristics of an 80-W Sharp NE-80EJEA PV panel are studied, with parameters known from the datasheet.
3：List of Experimental Equipment and Materials:
A PV panel, a DC/DC converter, and a load are used.
4：Experimental Procedures and Operational Workflow:
The system is analyzed by varying the load resistance and adjusting the duty cycle of the converter to achieve impedance matching.
5：Data Analysis Methods:
The operating point values are calculated by solving the system of equations, and the characteristics of the PV panel are obtained.
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