The Measurement of Additional Losses in Induction Motors: Discussion about the Actually Achievable Uncertainty

Giovanni Bucci, Fabrizio Ciancetta, Edoardo Fiorucci, Simone Mari and Maria Anna Segreto
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Giovanni Bucci: Department of Industrial and Information Engineering and Economics, University of L’Aquila, 67100 L’Aquila, Italy
Fabrizio Ciancetta: Department of Industrial and Information Engineering and Economics, University of L’Aquila, 67100 L’Aquila, Italy
Edoardo Fiorucci: Department of Industrial and Information Engineering and Economics, University of L’Aquila, 67100 L’Aquila, Italy
Simone Mari: Department of Industrial and Information Engineering and Economics, University of L’Aquila, 67100 L’Aquila, Italy
Maria Anna Segreto: LAERTE Laboratory, ENEA (Italian National Agency for New Technologies Energy and Sustainable Economic Development), 40129 Bologna, Italy

Energies, 2019, vol. 13, issue 1, 1-13

Abstract: In this paper, a discussion is presented concerning the combined uncertainty when measuring residual and additional losses in the efficiency evaluation of three-phase induction motors, by evaluating some experimental results obtained on a commercial motor. The IEC 60034-2-1 standard is considered, in comparison to a previous version of this standard requiring the estimation of residual losses instead of their measurement. A major goal is to investigate if the complex measurement method introduced in the present version of the standard is justified or not by processing the actually achievable uncertainty both in additional losses and in the overall efficiency measurement. Finally, some considerations are presented about additional issues concerning the classification of the tested motor, in comparison to the IE (International Efficiency) efficiency levels.

Keywords: IEC standards; induction motors; losses; power measurements; uncertainty (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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