Some economical comparisons between aluminium and copper squirrel cages

Serious thought is being given to the use of die cast copper cages; this is why the cost of copper for cage manufacture might become reasonable, even for small motors. Eight optimum designs are presented; two different powers, two different objective functions (initial price or total price including...

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Bibliographic Details
Published in:	IEEE transactions on energy conversion Vol. 10; no. 3; pp. 415 - 418
Main Authors:	Poloujadoff, M., Mipo, J.C., Nurdin, M.
Format:	Journal Article Conference Proceeding
Language:	English
Published:	New York, NY IEEE 01-09-1995 Institute of Electrical and Electronics Engineers
Subjects:	A.c. Machines Aluminum Applied sciences Copper Electrical engineering. Electrical power engineering Electrical machines Exact sciences and technology Magnetic flux density Stators Surface resistance Teeth Temperature Thermal engineering Thermal resistance Torque Cage induction machine Economic optimization Aluminium Forced cooling Geometry Energy loss Cooling by air Machine design Electric machine Equivalent circuit Cost analysis Copper Thermal model
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Summary:	Serious thought is being given to the use of die cast copper cages; this is why the cost of copper for cage manufacture might become reasonable, even for small motors. Eight optimum designs are presented; two different powers, two different objective functions (initial price or total price including the price of future losses), and two cage materials (copper and aluminium) have been considered. Various components of prices are compared.< >
ISSN:	0885-8969 1558-0059
DOI:	10.1109/60.464862