DocumentCode
1286227
Title
A risk-based security index for determining operating limits in stability-limited electric power systems
Author
McCalley, James D. ; Fouad, A.A. ; Vittal, Vijay ; Irizarry-Rivera, Agustin A. ; Agrawal, Baj L. ; Farmer, Richard G.
Author_Institution
Iowa State Univ., Ames, IA, USA
Volume
12
Issue
3
fYear
1997
fDate
8/1/1997 12:00:00 AM
Firstpage
1210
Lastpage
1219
Abstract
This paper is motivated by a concern that dynamic security limits based on the most severe contingency and scenario often result in operating restrictions corresponding to low or no risk but very high costs. A new risk-based security index is presented which accounts for both probability and impact of instability and is useful in determining operating limits. The approach is illustrated for a stability-limited system in Arizona
Keywords
control system analysis; power system control; power system security; power system stability; probability; contingency; control simulation; instability impact; instability probability; operating limits determination; operating restrictions; power system dynamic security limits; risk-based security index; Costs; Knowledge engineering; Power engineering and energy; Power generation; Power system analysis computing; Power system modeling; Power system security; Power system stability; Samarium; Strontium;
fLanguage
English
Journal_Title
Power Systems, IEEE Transactions on
Publisher
ieee
ISSN
0885-8950
Type
jour
DOI
10.1109/59.630463
Filename
630463
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