研究目的
To mitigate the effect of partial shading on PV modules by proposing a new configuration named triple-tied (TT) and comparing its performance with existing configurations.
研究成果
The proposed triple-tied (TT) configuration performs consistently well under all tested partial shading conditions, producing almost the same amount of power as TCT but with significantly less wiring redundancies. It is envisaged that the proposed configuration will draw significant attention in real PV system applications.
研究不足
The study assumes ideal conditions in MATLAB simulation, not accounting for wire loss, condition of wire connections, and effect of mismatch for manufacturer’s tolerance of solar cell characteristics.
1:Experimental Design and Method Selection:
The study involves simulation modeling in MATLAB Simulink and hardware implementation to observe the effect of partial shading.
2:Sample Selection and Data Sources:
Monocrystalline silicon PV cells are used with specifications including efficiency, PMAX, VOC, ISC, VMP, IMP, and temperature coefficient.
3:List of Experimental Equipment and Materials:
PV modules, bypass diodes, variable DC source, and measurement instruments.
4:Experimental Procedures and Operational Workflow:
PV arrays are configured in different schemes (SS, P, SP, TCT, BL, HC, TT) and subjected to 11 partial shading conditions.
5:Data Analysis Methods:
Characteristic curves are plotted to obtain maximum power points under various shading conditions.
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