Caracterização de um acumulador hidráulico para armazenamento de energia solar fotovoltaica

Abstract

This work presents a study regarding the structure of energy accumulation and its analysis, based on the performance of an energy accumulation system, from the photovoltaic solar source. Concepts on the use and generation of energy from renewable sources and possible electrical energy storage systems are also presented. For the analysis of the proposed system, a prototype was built capable of pumping and raising a volume of water, being subsequently used to generate electrical energy through the use of a hydraulic turbine. Measurements were made for the system comparing voltage and current values for both water pumping and power generation. After carried experiments out, it was observed that the energy values needed to water pumping operation were higher than those found in the generation of energy from the hydraulic turbine, resulting in an efficiency of 1.7%, thus demonstrating the necessity of optimization in the proposed power generation system.