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Centro Azúcar
versão On-line ISSN 2223-4861
Resumo
DE LEON GARCIA, Gabriel; GOMEZ SARDUY, Julio R. e VIEGO FELIPE, Percy R.. ENERGY SAVING BY REPLACEMENT OF OVERSIZED MOTORS DRIVING HIGH INERTIA LOADS. cen. az. [online]. 2019, vol.46, n.1, pp. 40-50. ISSN 2223-4861.
Electric motors are the main producers of industry motive power. They are machines that work with a relatively high efficiency, however, their oversizing for various reasons causes them to work occasionally with low efficiency. For this reason, the replacement of oversized induction motors is considered as an opportunity to save energy. However, it is necessary to verify that its oversizing is not necessary, since in high inertia loads case a higher power motor may be required to satisfy the starting requirements. In this paper, the analysis of replacement of oversized motors by others of lower power and higher efficiency class is carried out. The dynamic starting regime is analyzed and potential for economic savings and reduction of CO2 emissions are evaluated. The Steam Generation area of the UEB Central Azucarero 14 de Julio is taken as a study case.
Palavras-chave : energy saving; efficiency; electric motors; oversized motors; dynamic induction motor starting regime.