NDLI: State estimation with WAMS/SCADA hybrid measurements

Content Provider	IEEE Xplore Digital Library
Author	Dalu Li Rui Li Yuanzhang Sun Han Chen
Copyright Year	2009
Description	Author affiliation: School of Electrical Engineering, Wuhan University, Wuhan, 430072, China (Dalu Li; Rui Li; Yuanzhang Sun; Han Chen)
Abstract	In this paper, a state estimation (SE) method with equality constraints is proposed for the power system. This method aims to construct a SE objective function combined with the constraints of zero-injection nodes and wide area measurement system (WAMS) in order to improve the precision of SE. The optimal estimation can be derived from the SE objective function with double constraints by the optimization theory of Lagrange multipliers method. A standard test system has been used to prove the efficiency and the real-time performance of the proposed method, the precision is improved and the real-time performance is similar in the certain scope comparing with the traditional SE method.
Starting Page	1
Ending Page	5
File Size	478742
Page Count	5
File Format	PDF
ISBN	9781424442416
ISSN	19449925
DOI	10.1109/PES.2009.5275800
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-07-26
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	State estimation Phasor measurement units Constraint theory Current measurement Lagrangian functions Real time systems Power system measurements Sun Voltage Constraint optimization State estimation (SE) PMU WAMS Power system Lagrange multipliers method
Content Type	Text
Resource Type	Article

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