Action of conservation of energy applied to one plants composed industrial of induction motors / Ações de conservação de energia aplicadas a uma planta industrial composta de motores de indução

AUTOR(ES)
DATA DE PUBLICAÇÃO

2006

RESUMO

The objective of the present research, from a data set of electric motor collected in a regimen of work, give its contribution to the study on industrial electrical motors’ energy saving. It present the three-phase induction motor, the various issues of its industrial use and the electric parameter set collected are then presented. Field of work was elaborated, wich allowed the analysis of the energy efficiency in the use of electric engines in industry of paper and cosmetics. Given the measurements of current and tension, plus the data from the manufacter’s catalogs, values of efficiency were obtained, power factor and utilization factor, for diverse conditions of engine load. But in case the utilization factor is less than 75%, a comparative study allowed the decisions of substitution of the poorly dimensioned engines. The data are analyzed in ways: 1)What would be the energy save to each sector, if motors were changed for high efficient units? 2)What would be the viable to each sector to replace immediately the existing motors for high efficient? 3)What would be the energy save to each sector in (R$/day), using high efficient motors? 4)How much time would be the return of the investiment?. Some resources of computer technology were used in the calculations. The results showing the electric energy saving potential in motor would be better use to advantage and more conscientions form.

ASSUNTO(S)

conservação de energia elétrica motor de alto rendimento motor de indução power factor high efficiency motor induction motor fator de utilização e rendimento nominal power potência nominal utilization factor and efficiency energy saving potential fator de potência

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