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Test characteristics of a welded rotor in a 36,000-rpm Lundell alternator

Author
Lumannick, S.
Published
Nov 1, 1973.
Physical Description
1 electronic document
Additional Creators
Tulisiak, G. and Medwid, D. W.
Online Version

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Unclassified, Unlimited, Publicly available.
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Summary
Two four-pole Lundell-type rotors consisting of magnetic and nonmagnetic materials were fabricated by weld-depositing Inconel 625 between two sections of AISI 4617 steel. The rotors had a major diameter of 8.28 cm (3.26 in.). Saturation curves for load and no-load conditions with one of the rotors installed in a 1200-Hz Brayton-cycle research alternator are presented. The other identical rotor was spin-tested to a speed of 63,000 rmp, which was equal to 175 percent of the rated speed.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 19740003191.
Accession ID: 74N11304.
E-7535.
NASA-TM-X-2944.
Terms of Use and Reproduction
No Copyright.
View MARC record | catkey: 15746808