Cross-validation of the operation of photovoltaic systems connected to the grid in extreme conditions of the highlands above 3800 meters above sea level.

Saul Huaquipaco Encinas, Wilson Negrão Macêdo, Henry Pizarro, Reynaldo Condori, Jose Manuel Ramos, Oscar Vera, Jose Emmanuel Cruz, Wilson Mamani, Norman Beltran

Abstract


Los factores climatológicos que influyen en el rendimiento de los sistemas fotovoltaicos (FV) conectados a la red. Estos factores varían según la altitud sobre el nivel del mar. El presente trabajo tuvo como objetivo comparar el rendimiento de una fotovoltaica con inversor string (String PV) versus una fotovoltaica con optimizadores de potencia DC-DC (DC DC PV) a 3800 metros sobre el nivel del mar (msnm) en condiciones naturales. Para ello se instalaron dos FV de 3 kW cada uno, y se midió su rendimiento bajo la norma IEC 62053. Luego se aplicaron modelos de regresión multiparamétricos para cada uno de ellos. Los resultados fueron validados a través de la linealidad, normalidad de los términos de error, conexiones, autocorrelación y homocedasticidad.Posteriormente se ha realizado la validación cruzada de ambos modelos, cuyos resultados mostraron que el modelo DC-DC PV tiene un mejor resultado en un 6,09% sobre el modelo String PV,

Keywords


Cross-validation, Photovoltaic Systems, Extreme Conditions

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References


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DOI (PDF): https://doi.org/10.20508/ijrer.v12i2.12570.g8490

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