NDLI: Static Stability Limits and the Intermediate Condenser Station

Content Provider	IEEE Xplore Digital Library
Author	Wagner, C. F. Evans, R. D.
Copyright Year	1884
Abstract	The principal features of this paper may be summarized as follows: For static stability calculations, power systems may be represented by a network with constant impedance and admittance branches with as many terminals as the number of synchronous machines requiring individual consideration. This method is justified because, as developed in the paper, loads may be represented by the equivalent constant admittances and synchronous machines may be replaced by their equivalent impedances. A criterion for static stability of systems is presented together with formulas for the calculation of the two-, three- and four-machine cases. It is shown that the maximum angle between machines for which synchronism can be maintained is, in general, somewhat dependent upon the inertia of the synchronous machines. Under some conditions synchronism can be maintained between two machines operating at angles greater than ¿/2. The delivered power corresponding to definite excitation of machines will, in general, be a maximum for a smaller angle than the maximum stable angle. While the investigations have shown that synchronism can be maintained in regions heretofore considered inherently unstable, operation in such regions is held to be inadvisable. There are a number of generalizations which may be made as to the limiting stable condition.
Starting Page	94
Ending Page	121
Page Count	28
File Size	6673369
File Format	PDF
ISSN	00963860
Volume Number	47
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1928-01-01
Publisher Place	New York, U.S.A.
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Power system stability Impedance Power transmission Mechanical systems Circuit stability Synchronous machines
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Electrical and Electronic Engineering

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