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“DESIGN OF HIGH EFFICIENCY INDUSTRIAL INDUCTION MOTORS BY INNOVATIVE TECHNOLOGIES AND NEW MATERIALS” EXECUTIVE SUMMARY

By Prof Francesco Parasiliti and Dr. Marco Villani

Abstract

This project consists of the efficiency improvement in industrial three-phase induction motors, in the 0.75÷22 kW range, making use die cast copper rotor cages and most suitable magnetic materials (high permeability and/or low loss). The aim of the project is the analysis and the construction of several prototypes of induction motors by using the above mentioned innovative technological solutions, in order:- to define the design procedures and design strategies;- to verify the actual efficiency improvements;- to verify the arrangement of the motors respect to the European Classification Scheme (CEE-CEMEP) that foresees three efficiency classes EFF1, EFF2 and EFF3. Research description and results In this project three important Companies have been involved: • ThyssenKrupp Electrical Steel AST (Acciai Speciali Terni), European leader in the production of electrical steels for electromechanical applications. Acciai Speciali Terni has provided several electrical steels that have been used in the new prototypes. • LAFERT S.p.A., one of the most important Italian manufacturer of induction motors. LAFERT has provided the stator and rotor cores and stator windings and has assembled the prototypes with copper rotor cages. Moreover, LAFERT has co-operated in the construction of new stator and rotor figures and tests on the motors

Topics: S.p.A
Year: 2003
OAI identifier: oai:CiteSeerX.psu:10.1.1.177.661
Provided by: CiteSeerX
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