NDLI: Risk-based optimal power flow and system operation state

Content Provider	IEEE Xplore Digital Library
Author	Yuan Li McCalley, J.D.
Copyright Year	2009
Description	Author affiliation: Department of Electrical and Computer Engineering, Iowa State University, Ames, IA, 50011 USA (McCalley, J.D.) \|\| CAISO, Folsom, CA, 95662 USA (Yuan Li)
Abstract	In this paper, the risk-based optimal power flow is proposed, which minimizes the economic cost considering the system reliability, and a refined system operation state is provided to clarify this approach. In order to obtain better economic benefit than traditional security-constrained optimal power flow, the corrective optimal power flow is used in this work. The reliability is represented by the risk index, which captures the expected impact to the system. This problem is solved by Benders decomposition. The specific designed Benders subproblem will assure that no collapse or cascading overload occurs for the corrective optimal power flow problem. The approach auto-steers the dispatch between different risk level according to the probability and consequence of the upcoming contingency events. Case studies with a six-bus system are presented.
Starting Page	1
Ending Page	6
File Size	886818
Page Count	6
File Format	PDF
ISBN	9781424442416
ISSN	19449925
DOI	10.1109/PES.2009.5275724
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	Load flow Security Control systems Power generation economics Power system economics Cost function Power system reliability Stochastic processes Power generation Voltage stochastic programming Benders decomposition optimal power flow risk
Content Type	Text
Resource Type	Article

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