NDLI: Oscillation monitoring from ambient PMU measurements by Frequency Domain Decomposition

Content Provider	IEEE Xplore Digital Library
Author	Guoping Liu Venkatasubramanian, V.
Copyright Year	2008
Description	Author affiliation: Sch. of Electr. Eng. & Comput. Sci., Washington State Univ., Pullman, WA (Guoping Liu; Venkatasubramanian, V.)
Abstract	This paper extends the method of frequency domain decomposition (FDD) towards real-time analysis of ambient PMU measurements in power systems for the purpose of oscillation monitoring. The main idea of FDD is to apply singular value decomposition (SVD) to the power density spectrum matrix. The resulting singular values correspond to individual modes under specific conditions. The damping ratio, modal frequency and the mode shape of poorly damped (with less than 5% damping ratios) oscillatory modes can be directly determined from ambient PMU measurements. The theoretical background is presented in the paper. The technique is tested on small linear systems to show its effectiveness and weaknesses. Finally, the application of FDD in power system is shown.
Starting Page	2821
Ending Page	2824
File Size	151468
Page Count	4
File Format	PDF
ISBN	9781424416837
DOI	10.1109/ISCAS.2008.4542044
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-05-18
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Monitoring Phasor measurement units Frequency measurement Frequency domain analysis Power system measurements Damping Shape measurement Real time systems Power measurement Power system analysis computing
Content Type	Text
Resource Type	Article

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