NDLI: Optimal real time control in unbalanced transmission power systems

Content Provider	IEEE Xplore Digital Library
Author	Fratkin, A.I.
Copyright Year	2001
Description	Author affiliation: Utility Consulting Int., Cupertino, CA, USA (Fratkin, A.I.)
Abstract	Asymmetry in the EHV power systems is caused mainly by the two following reasons: a variance of parameters in the separate phases or an appearance of a nonthree-phase network element. A paradigm of the nowadays operational practice dictates to ignore reasons of the first kind and disconnect the parts where the reasons of the second kind appear. The alternative approach to the asymmetry treatment assumes that in both cases there might be found a solution, which allows correcting the unbalanced conditions and continuing the operation instead of the interruption. Practical usage of unbalanced network conditions can significantly improve the reliability, effectiveness, and quality of power. The method of the optimal network control under unbalanced conditions, which includes correction measures to compensate unsymmetrical parameters, is proposed. The method is based on the gradient optimization with nonlinear power flow constraints. The examples, which include planning and real-time operation stages, illustrate the implementation of this method.
Starting Page	1437
Ending Page	1442
File Size	569785
Page Count	6
File Format	PDF
ISBN	0780366727
DOI	10.1109/PESW.2001.917311
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-01-28
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Real time systems Optimal control Control systems Power system control Power systems Power system reliability Load flow Switches Power system planning Shunt (electrical)
Content Type	Text
Resource Type	Article

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