NDLI: Influence of the infinite-bus assumption in the design of damping controllers

Content Provider	IEEE Xplore Digital Library
Author	de Oliveira, R.V. Ramos, R.A. Bretas, N.G.
Copyright Year	2005
Description	Author affiliation: Sao Carlos/USP, Sao Carlos (de Oliveira, R.V.; Ramos, R.A.; Bretas, N.G.)
Abstract	The present paper analyzes the influence of the infinite-bus assumption in the design of damping controllers, evaluating its effects by a comparison with two other alternatives. The first alternative is the use of a multimachine model adopting one machine angle of the system as angular reference. The second alternative is the incorporation of the primary speed control in the multimachine model of the system. The damping controllers used in the analysis are designed through a systematic methodology that uses robust control techniques. It is possible to observe, in the obtained results, that the infinite-bus assumption modifies the system dynamics, degrading the performance of the system equipped with the controllers designed over models with such assumption. The use of multimachine models without the infinite-bus assumption in the controller design provided an improvement in the performance of the closed loop system, in all the performed tests.
Starting Page	1
Ending Page	7
File Size	1259817
Page Count	7
File Format	PDF
ISBN	9785932080344
DOI	10.1109/PTC.2005.4524427
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-06-27
Publisher Place	Russia
Access Restriction	Subscribed
Rights Holder	Energy Systems Institute
Subject Keyword	Damping Power system modeling Robust control Design methodology Power system stability Power generation Control systems Power system dynamics Power system transients Control theory robust control Power system small signal stability damping controllers
Content Type	Text
Resource Type	Article

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