NDLI: Progress in the thermal design of oil-cooled rotating electric machines

Content Provider	IEEE Xplore Digital Library
Author	Richards, P. B.
Copyright Year	2012
Abstract	IN THE PAST electrical designers have been hindered by the fact that internal temperatures in a machine were not known with sufficient accuracy. At best they had to be content with average temperatures estimated from measured coil resistances, for example, but the actual location of hot spots and the temperature distribution in the machine components have been difficult to establish. With the increased availability of high-speed digital computers, it is now possible to determine these temperatures. The purpose of this paper is to illustrate how temperatures can be determined in components of electric machines by an iteration technique that has been successfully programmed for the IBM (International Business Machines Corporation) 650 digital computer.
Starting Page	330
Ending Page	334
Page Count	5
File Size	1596047
File Format	PDF
ISSN	00972185
Volume Number	77
Issue Number	5
Language	English
Publisher	American Institute of Electrical Engineers
Publisher Date	1958-11-01
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Equations Mathematical model Inverters Computers Coils Heating Rotors
Content Type	Text
Resource Type	Article

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Progress in the thermal design of oil-cooled rotating electric machines