研究目的
Design and development of a photovoltaic (PV) source emulator that behaves similarly to an actual PV module irrespective of environmental conditions change, using a switch mode power supply (SMPS) controlled by a backstepping technique.
研究成果
The proposed PV array emulator is able to reproduce faithfully the electrical behavior of a real PV module without depending on weather conditions. The control strategy based on R-V mathematical PV model and Backstepping Controller ensures the asymptotic stability of the full system as well as increases the accuracy and the transient dynamic response of the converter.
研究不足
The study is based on simulation results; experimental validation is pending. The system's performance under extreme environmental conditions is not discussed.
1：Experimental Design and Method Selection:
The design involves a switch mode power supply (SMPS) controlled by a backstepping technique with a control strategy of referencing.
2：Sample Selection and Data Sources:
The PV module parameters are extracted from CANADIAN SOLAR INC. datasheet.
3：List of Experimental Equipment and Materials:
DC-DC buck converter, input voltage Vdc, capacitor C, inductor L, switching frequency f.
4：Experimental Procedures and Operational Workflow:
The system is simulated using Matlab Simulink software to validate the functioning of the proposed PV emulator.
5：Data Analysis Methods:
The output current and voltage of the proposed system are compared with the theoretical PV modules outputs to judge the effectiveness and accuracy of the proposed emulator.
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