NDLI: Real Time Transient Instability Detection with Partial Wide-Area Measurement Information

Content Provider	IEEE Xplore Digital Library
Author	Huan Xie Bao-hui Zhang Ben-guo Zou Guang-liang Yu Lei Li
Copyright Year	2007
Description	Author affiliation: Dept. of Electr. Eng., Xi'an Jiaotong Univ., Xi'an (Huan Xie)
Abstract	A new detection scheme for transient power systems instability with geometrical characteristics of trajectory in partial angle center is presented, and the generalized energy function is chosen to verify the validity. Avoiding seeking the center of whole system angle, this scheme gets rid of the limitation in the practical application. The method of instability detection using partial wide-area measurement information is discussed. The simulation results in IEEE_145 bus systems demonstrate that when the out-step generator possesses observation condition, system instability is still able to be detected via the proposed criterion, and the extent of the absence of the whole system trajectory information only leads to the difference of the instability detection time. The proposed scheme enables to detect system instability ahead of the traditional time domain simulation methods as 0.3-1s.
Starting Page	1
Ending Page	7
File Size	269624
Page Count	7
File Format	PDF
ISBN	142441296X
ISSN	19325517
DOI	10.1109/PES.2007.386119
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	Wide area measurements Power system transients Open loop systems Transient analysis Robust stability Power system relaying Phasor measurement units Real time systems Power system measurements Control systems geometrical characteristic of trajectory partial wide area information transient instability detection generalized transient energy function
Content Type	Text
Resource Type	Article

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