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Alberti, Luigi - Bianchi, Nicola - Boglietti, Aldo - Cavagnino, Andrea (2011) Core Axial Lengthening as Effective Solution to Improve the Induction Motor Efficiency Classes. In: IEEE Energy Conversion Congress and Exposition, Sept. 2011, Phoenix, AZ, USA. (Inedito)

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Abstract (inglese)

Starting from 2011, in order to reduce electricity consumption and carbon dioxide emissions, the European MEPS (Minimum Energy Performance Standard) will impose minimum efficiency values for electric motors introduced into the European market.

The new European standard requirements will impose non-trivial efforts to manufacturers, in particular for small and medium-sized producers.

In this paper, the axial lengthening of the magnetic core is considered as an effective solution to improve the induction motor efficiency class.

In fact, this design solution does not require changing stator
and rotor laminations, and it can be considered as a "No Tooling Cost'' (NTC) solution to improve the rated efficiency.

Starting from standard-efficiency total enclosed fan cooled
machines, one size has been selected and a "lengthened''
motor prototype has been designed and analyzed using a very
fast and reliable design procedure based on a coupled
analytical-finite element approach.

The experimental results confirm the accuracy of the proposed design method and validate the proposed NTC solution to get higher efficiency induction motors


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Tipo di EPrint:Contributo a convegno (Presentazione)
Anno di Pubblicazione:30 Settembre 2011
Settori scientifico-disciplinari MIUR:Area 09 - Ingegneria industriale e dell'informazione > ING-IND/32 Convertitori, macchine e azionamenti elettrici
Struttura di riferimento:Dipartimenti > Dipartimento di Ingegneria Elettrica
Codice ID:4310
Depositato il:03 Ott 2011 14:40
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