研究目的
Investigating the effectiveness of Power Optimizers for Photovoltaic Systems (POPS) in reducing power losses in grid-connected photovoltaic systems under various conditions.
研究成果
POPS can significantly improve the energy conversion efficiency of photovoltaic systems, especially in locations with low solarimetric indices and shading conditions. The best optimization performance was observed in Sete Lagoas-MG with SolarEdge (10.84%) and in Curitiba-PR with Tigo (7.17%). The study recommends simulations to determine the necessity of POPS application in specific locations and systems.
研究不足
The study is limited to simulations using PV*SOL software and does not include physical experiments. The effectiveness of POPS is evaluated based on specific models (SolarEdge and Tigo) and may vary with other models or technologies.
1：Experimental Design and Method Selection:
The study utilized PV*SOL software for simulations to verify the gain provided by POPS under different conditions.
2：Sample Selection and Data Sources:
Simulations were conducted for five cities in Brazil with varying solarimetric indices and shading conditions.
3：List of Experimental Equipment and Materials:
The system comprised 16 photovoltaic modules of 270 Wp from BYD (270P6C-30), totaling
4：32 kWp, and two types of power optimizers (SolarEdge P320-NA and Tigo TS4-R-O). Experimental Procedures and Operational Workflow:
Simulations were performed for scenarios with and without shading, comparing systems with and without POPS.
5：Data Analysis Methods:
Performance indicators such as final yield (Yf), performance ratio (Pr), and optimization performance (Op) were calculated to assess the effectiveness of POPS.
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