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https://hdl.handle.net/10316/107547
Título: | Technical and Economic Evaluation of Efficiency Improvement after Rewinding in Low-Power Induction Motors: A Brazilian Case | Autor: | Aguiar, Victor Pontes, Ricardo Ferreira, Fernando J. T. E. |
Palavras-chave: | industrial motors; retrofitting; redesign; stator winding; equivalent circuit; minimum efficiency performance standard (MEPS); cost-effectiveness methods; efficiency measurements; life cycle costs;; net savings | Data: | 2018 | Editora: | MDPI | Projeto: | CNPQ grant number 459091/2014-0 | Título da revista, periódico, livro ou evento: | Energies | Volume: | 11 | Número: | 7 | Resumo: | Nowadays the economic analysis of an induction motor’s life cycle is the clearest way to measure the viability of actions to promote energy-efficient technologies to the end user. The cost effectiveness in motors replacement by energy-efficient motors is a well-known practice that leads to energy savings, however this paper presents the cost-effectiveness of low-power induction motors which have their efficiency improved after rewinding. This process improves the investment viability and brings the greatest financial and energetic savings. In this paper, low-power induction motors are rewound and their efficiencies are measured by tests A and B from IEEE standard 112/2017. The rewound motors have better cost-effectiveness than replacement by IE3/Premium and even IE4/Super-Premium units. The rewound motors increase between 3 and 4 percentage points in relation to former efficiency and the payback is less than 2 years, regardless of the efficiency measurement method. | URI: | https://hdl.handle.net/10316/107547 | ISSN: | 1996-1073 | DOI: | 10.3390/en11071701 | Direitos: | openAccess |
Aparece nas coleções: | I&D ISR - Artigos em Revistas Internacionais FCTUC Eng.Electrotécnica - Artigos em Revistas Internacionais |
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Ficheiro | Descrição | Tamanho | Formato | |
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Technical-and-economic-evaluation-of-efficiency-improvement-after-rewinding-in-lowpower-induction-motors-A-brazilian-caseEnergies.pdf | 2.22 MB | Adobe PDF | Ver/Abrir |
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