研究目的
To evaluate the performance of the first year of operation of the first distributed mini-generation photovoltaic system in the state of Piauí, compared to technical and economic aspects.
研究成果
The system has technical feasibility, presenting a good generation in its first year of operation, with production superior to other systems installed in public educational institutions of Brazil. However, it has shown a positive balance in the Net Present Value, but with a long Payback and a very high Cost-Benefit Ratio, which may compromise its economic viability. The installation of the photovoltaic system will bring benefits beyond the reduction of electricity consumption, if used in teaching, research and extension activities.
研究不足
The study is limited to the first year of operation of the system. The economic viability analysis may be compromised by the long Payback and high Cost-Benefit Ratio.
1：Experimental Design and Method Selection:
The technical analysis was done through the calculation of the indexes of merit: Final Productivity Performance Rate and Capacity Factor. The economic viability analysis used the concepts of Net Present Value, Internal Rate of Return, Payback and Cost-Benefit Ratio.
2：Sample Selection and Data Sources:
The system consists of 660 photovoltaic modules and occupies an area of approximately
3：122 m2 of roof. List of Experimental Equipment and Materials:
Photovoltaic modules Canadian Solar CS6P-260P, SMA Sunny Tripower inverters models STP 10000TL (1), STP 15000TL (1) and STP 25000TL (5).
4：5). Experimental Procedures and Operational Workflow:
4. Experimental Procedures and Operational Workflow: The system's performance was monitored from May 2016 to June
5：Data Analysis Methods:
20 Calculation of indexes of merit and economic viability metrics.
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