CAPACITY FACTOR REPRESENTATIVE OF THE OPERATION OF MULTIPLE DISTRIBUTED PHOTOVOLTAIC GENERATION UNITS
DOI:
https://doi.org/10.59627/cbens.2024.2496Keywords:
Distributed photovoltaic generation, Representation of multiple PV systems, Capacity factor estimationAbstract
This work aims to present a method to assess the representative capacity factor of the operation of multiple distributed photovoltaic systems in Florianópolis. The theoretical capacity factor of such systems was estimated based on global horizontal solar radiation data in Florianópolis, measured at INMET’s ground station. The representative capacity factor of the operation of multiple distributed photovoltaic systems in Florianópolis, participating in the “Bônus Fotovoltaico” Project, was calculated based on measurements of the photovoltaic power generated by the systems. In the 12 months of the analyzed period, the results show a difference between measured data and historical data (Atlas Solarimétrico) of the average daily global horizontal solar radiation of 0.63%. The theoretical daily average values of the capacity factor ranged from 9.64% (May) to 18.32% (December), while the measured daily average values ranged from 10.47% (May) to 20.66% (December). The annual average of the theoretical daily average capacity factor was 14.15%, a value similar to that adopted by ANEEL for Santa Catarina (14.1%), and the annual average of the measured daily average capacity factor was higher (15.34%). The value of PR equal to 0.75 adopted in this work was based on the value adopted by ONS to estimate the generation of photovoltaic systems installed in consumer units powered at low voltage. However, the values of the measured daily average capacity factor were higher than the theoretical ones in allmonths of the analyzed period, which may indicate that the value of PR=0.75 may be too conse rvative to estimate the hourly, daily, and monthly photovoltaic generation of the distributed photovoltaic systems in Florianópolis..
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