NDLI: Wide-Area Measurement-Based Nonlinear Robust Control of Power System Considering Signals' Delay and Incompleteness

Content Provider	IEEE Xplore Digital Library
Author	Yu, G.L. Zhang, B.H. Xie, H. Wang, C.G.
Copyright Year	2007
Description	Author affiliation: Sch. of Electr. Eng., Xi'an Jiaotong Univ., Xi'an (Yu, G.L.; Zhang, B.H.; Xie, H.; Wang, C.G.)
Abstract	With the wide application of synchronized phase measurement unit (PMU) in power system, the wide-area measurement system (WAMS) has enabled the use of a combination of measured information from remote location for global control purpose. However, the impact of time delays introduced by remote information's transmission in WAMS has to be considered, and the closed-loop power systems need be modeled as time-delay nonlinear systems. Moreover, the wide-area information is incomplete when not all generators in power system are equipped with the PMU. In order to eliminate the effects of power system model's nonlinearity and wide-area information's uncertainty including time delays and incompleteness, a novel approach based on inverse system algorithm and linear matrix inequality (LMI) technique is proposed to design a nonlinear robust integrated controller. Digital simulation demonstrates that the four-machine system under the nonlinear robust integrated control has less settling time, swing times, oscillatory peak value and more critical clear time and better voltage stability performance for various time delays of remote incomplete measured information than that under PID control or nonlinear decentralized integrated control.
Starting Page	1
Ending Page	8
File Size	403440
Page Count	8
File Format	PDF
ISBN	142441296X
ISSN	19325517
DOI	10.1109/PES.2007.385761
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-06-24
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Power measurement Robust control Power system measurements Power system control Power systems Delay systems Power system modeling Delay effects Phase measurement Phasor measurement units wide-area measurement system (WAMS) Center of inertia reference frame inverse system method integrated controller linear matrix inequality (LMI) power system
Content Type	Text
Resource Type	Article

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