End Leakage of Aerospace Homopolar Alternators

An accurate knowledge of the magnetic field distribution is of great importance in finding the best designs for electrical machinery. It is the purpose of this paper to present a new numerical method for the determination of three-dimensional flux distribution in the end zone of a highspeed aerospac...

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Bibliographic Details
Published in:IEEE transactions on aerospace and electronic systems 1970-09, Vol.AES-6 (5), p.684-691
Main Author: Sarma, Mulukutla S.
Format: Article
Language:English
Subjects:
Aerospace engineering
Alternators
Machine windings
Magnetic analysis
Magnetic fields
Magnetic flux
Magnetostatics
Permeability
Shape
Stator windings
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Summary:An accurate knowledge of the magnetic field distribution is of great importance in finding the best designs for electrical machinery. It is the purpose of this paper to present a new numerical method for the determination of three-dimensional flux distribution in the end zone of a highspeed aerospace homopolar alternator, and for the calculation of end leakage reactance. The new analysis is applied to an experimental 95 kVA, 115/200 V, 3400 Hz, 40 800 r/min, three-phase, wye-connected, homopolar alternator.
ISSN:0018-9251
1557-9603
DOI:10.1109/TAES.1970.310070