NDLI: Copper in the squirrel cage for improved motor performance

Content Provider	IEEE Xplore Digital Library
Author	Peters, D.T. Cowie, J.G. Brush Jr., E.F. Van Son, D.J.
Copyright Year	2003
Description	Author affiliation: Copper Dev. Association Inc., Hilton Head Island, SC, USA (Peters, D.T.)
Abstract	The advantages to motor performance and energy efficiency or substituting copper for aluminum in the squirrel cage of the induction motor rotor are described in this paper. Performance data on motors equipped with die-cast copper rotors dynamometer tested by several motor manufacturers according to IEEE Specification 112B are presented. Overall motor losses were 14 to 23% lower in motors with copper rotors compared to the aluminum counterparts. The manufacturing technology for economical production of copper rotors by die casting has also been investigated and is summarized. Use of a nickel-base alloy high temperature die operated at elevated temperature is shown to greatly extend die life over that experienced with conventional die steels in die casting copper with its high melting temperature.
Sponsorship	IEEE Power Eng., Power Electon., Ind. Electron. & Ind. Appl. Soc.
Starting Page	1265
Ending Page	1271
File Size	538745
Page Count	7
File Format	PDF
ISBN	0780378172
DOI	10.1109/IEMDC.2003.1210402
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-06-01
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Copper Rotors Temperature Induction motors Aluminum Manufacturing Die casting Energy efficiency Testing Power generation economics
Content Type	Text
Resource Type	Article

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