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Rotor Slot Design of Inverter-Fed Induction Motors
KTH, School of Electrical Engineering (EES), Electrical Energy Conversion.ORCID iD: 0000-0002-1755-1365
1995 (English)Conference paper (Refereed)
Abstract [en]

The most dramatic improvements in inverter-fed induction motors are achieved by the change of rotor slot geometry, which can reduce the harmonic winding losses of the rotor to a minimum. Based on an immense number of finite-element calculations, optimal values of different geometrical dimensions of the rotor slot with a U-shaped bridge have been determined. The slot can be designed step by step according to simple analytical expressions for any inverter-fed induction motor, regardless of power rating or speed. The basic principles of the loss mechanisms are explained qualitatively to support the results from the numerical calculations.

Place, publisher, year, edition, pages
1995. 52-56 p.
Keyword [en]
U-shaped bridge, finite-element calculations, harmonic winding losses reduction, inverter-fed induction motors, rotor slot design, rotor slot geometry
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
URN: urn:nbn:se:kth:diva-109797OAI: diva2:584350
Proc. of the IEE Seventh International Conference on Electrical Machines and Drives, Durham, 11-13 Sep 1995.
NR 20140805Available from: 2013-01-09 Created: 2013-01-09Bibliographically approved

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Nee, Hans-Peter
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ReferencesLink to record
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