NDLI: Stochastic OPF by constraint relaxation

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Volume 3 - 2003

Volume 2 - 2003

Volume 1 - 2003

2001 IEEE Porto Power Tech Proceedings (Cat. No.01EX502)

Stochastic OPF by constraint relaxation

Content Provider	IEEE Xplore Digital Library
Author	Kimball, L.M. Clements, K.A. Pajic, S. Davis, P.W.
Copyright Year	2003
Description	Author affiliation: Dept. of Math. Sci., Bentley Coll., Waltham, MA, USA (Kimball, L.M.)
Abstract	This paper describes an algorithm for the solution of the stochastic optimal power flow problem. The stochastic OPF minimizes the total cost of a base case operating state plus the expected cost of recovery from contingencies such as line or generator outages. The algorithm presented is based on a relaxation method in which constraints are modeled only as they become active. This method efficiently models all transmission constraints using a rank-one update to the distribution matrix. Numerical examples illustrate the dramatic reduction in problem size achieved in practice by constraint relaxation. They also confirm that the expected cost of a dispatch that accommodates failures according to their probability of occurrence is less than the cost of a preventive operating mode.
Sponsorship	IEEE Power Eng. Soc
File Size	332183
File Format	PDF
ISBN	0780379675
DOI	10.1109/PTC.2003.1304714
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-06-23
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Stochastic processes Load flow Cost function Relaxation methods Power system planning Power system analysis computing Performance loss Power generation Constraint optimization Couplings
Content Type	Text
Resource Type	Article

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