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Over the years, electric energy has been an important medium for technological development. However, due to cost and environmental problems, the tendency is for it to be replaced more and more by renewable sources. One of the means of substituting these energies can be done by exchanging electric showers for the solar heaters. The solar heater comes from solar thermal energy, which comes directly from solar radiation and turns it into heat. This process occurs when the device, through solar panels, is able to collect the energy and, thus, transform it into thermal energy. Thus, the present work has as objective to analyze the auxiliary electrical system of a solar heater installed in the student residence of a Federal Institution, located in the center-west of Minas Gerais. The research also has as purpose the economic comparison with substitute appliances. In this way, an efficient auxiliary system for solar heaters is proposed, in order to save public and / or residential expenses, and also considering the current Brazilian scenario, in which the country has suffered a great economic crisis. project can help reduce costs in several sectors.

ANÁLISE DE USO DO SISTEMA ELÉTRICO AUXILIAR DE UM AQUECEDOR SOLAR, LOCALIZADO EM UM INSTITUTO PÚBLICO NO CENTRO-OESTE DE MINAS GERAIS