A model for improving energy efficiency in industrial motor system using multicriteria analysis |
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Authors: | Antonio Vanderley Herrero Sola,Caroline Maria de Miranda Mota,Joã o Luiz Kovaleski |
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Affiliation: | 1. Federal University of Technology, Parana, Brazil (UTFPR)—Campus Ponta Grossa, Av. Monteiro Lobato, Km 4, CEP: 84016-210, Brazil;2. Federal University of Pernambuco, Cx. Postal 7462, CEP 50630-970, Recife, Brazil |
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Abstract: | In the last years, several policies have been proposed by governments and global institutions in order to improve the efficient use of energy in industries worldwide. However, projects in industrial motor systems require new approach, mainly in decision making area, considering the organizational barriers for energy efficiency. Despite the wide application, multicriteria methods remain unexplored in industrial motor systems until now. This paper proposes a multicriteria model using the PROMETHEE II method, with the aim of ranking alternatives for induction motors replacement. A comparative analysis of the model, applied to a Brazilian industry, has shown that multicriteria analysis presents better performance on energy saving as well as return on investments than single criterion. The paper strongly recommends the dissemination of multicriteria decision aiding as a policy to support the decision makers in industries and to improve energy efficiency in electric motor systems. |
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Keywords: | Energy efficiency Motor systems Multicriteria analysis |
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