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Note on a new power-angle diagram for alternators

Published online by Cambridge University Press:  24 October 2008

W. H. Ingram
W. H. Ingram
Affiliation:
Trinity College
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Extract

In an alternating current motor (of simplest type) the internal E.M.F. e, the terminal tension e, the useful electrical power transformed p and the rotor phase angle φ are connected by the known formula

in which

where r is the resistance and l the self-inductance of the armature and ω the angular velocity of the rotor.

Type
Research Article
Information
Mathematical Proceedings of the Cambridge Philosophical Society , Volume 28 , Issue 1 , January 1932 , pp. 106 - 108
Copyright
Copyright © Cambridge Philosophical Society 1932

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References

† Alternating Currents, Cambridge, 1906, Vol. 2, p. 143. It may be noted that Russell's formula holds in form when armature reaction is taken into account, but that then the position of the rotor is not accurately given by φ.