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Sensitivity method for online optimisation of a synchronous-generator excitation controller

Winning, D.J., El-Shirbeeny, E.H.T., Thompson, E.C., and Murray-Smith, D.J. (1977) Sensitivity method for online optimisation of a synchronous-generator excitation controller. Proceedings of the Institution of Electrical Engineers, 124 (7). pp. 631-638. ISSN 0020-3270 (doi:10.1049/piee.1977.0135)

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Abstract

The paper describes a technique for the optimisation of the parameter settings of the excitation controller of a synchronous machine which is suitable for on-site use. The optimisation method is based on an integral squared-error criterion, and involves the use of parameter sensitivity functions to estimate the parameter changes needed to alter system responses to approach some predetermined or desirable form. The computation of the parameter sensitivity functions is achieved by a direct method, which does not demand explicit identification of the controlled system and which yields the sensitivity functions of all output variables to all adjustable parameters from the results of a single step test. The technique may be implemented using a small digital computer. The paper includes the results of simulation studies on un-synchronised and on loaded generators, together with results of micro-machine experiments.

Item Type:Article
Keywords:Synchronous generator, excitation controller, tuning, sensitivity functions, simulation
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Murray-Smith, Prof David
Authors: Winning, D.J., El-Shirbeeny, E.H.T., Thompson, E.C., and Murray-Smith, D.J.
Subjects:T Technology > TJ Mechanical engineering and machinery
T Technology > TK Electrical engineering. Electronics Nuclear engineering
College/School:College of Science and Engineering > School of Engineering > Systems Power and Energy
Journal Name:Proceedings of the Institution of Electrical Engineers
Journal Abbr.:Proc. IEE
Publisher:Institution of Electrical Engineers
ISSN:0020-3270

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