Design Aspects of High-Speed High-Power-Density Laminated-Rotor Induction Machines

This paper deals with the considerations associated with the design of high-speed high-power-density laminated-rotor induction machines (IMs). The considerations discussed are described by the design of an actual 10-kW machine, which runs at speeds of up to 75 kr/min with a rated power density of 28...

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Bibliographic Details
Published in:IEEE transactions on industrial electronics (1982) 2011-09, Vol.58 (9), p.4039-4047
Main Authors: Gerada, D., Mebarki, A., Brown, N. L., Bradley, K. J., Gerada, C.
Format: Article
Language:English
Subjects:
Density
Electric power generation
Guidelines
High speed
induction machine (IM)
Induction machines
Industrial electronics
laminated rotor
Lamination
Materials
mechanical modeling
Rotors
split ratio
Stress
thermal modeling
Turbochargers
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Summary:This paper deals with the considerations associated with the design of high-speed high-power-density laminated-rotor induction machines (IMs). The considerations discussed are described by the design of an actual 10-kW machine, which runs at speeds of up to 75 kr/min with a rated power density of 28 MW/m 3 for an electrically assisted turbocharger. Using a developed multidomain design environment which puts equal weight on the electromagnetic, mechanical, and thermal aspects, the rotor split ratio, electric and magnetic loadings, lamination material, rotor-bar material, and rotor-bar shape are identified as important and sensitive parameters in the design of high-speed IMs. Finally, general guidelines for designing high-speed high-power-density IMs are presented.
ISSN:0278-0046
1557-9948
DOI:10.1109/TIE.2010.2098364