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Title: Improved BFGS method for optimal power flow calculation with transient stability constraints
Authors: Xia, Y
Chan, KW 
Liu, M
Keywords: Hessian matrices
Load flow
Power system transient stability
Issue Date: 2005
Publisher: IEEE
Source: IEEE Power Engineering Society General Meeting, 2005, 12-16 June 2005, v. 1, p. 434-439 (CD-ROM) How to cite?
Abstract: In this paper, optimal power flow (OPF) is analyzed and determined with transient stability constraints. PEBS (potential energy boundary surface) method is applied to assess the transient stability. The related transient stability constraints represented by a dot product are introduced in the OPF model. Though OPF with transient stability constraints is a semi-infinite programming problem, it can be transformed to a standard programming problem by transcription techniques. Improved Broyden-Fletcher-Goldfarb-Shanno (BFGS) method is adopted to simplify the complicated derivation of Hessian matrix. It splits the Hessian matrix into computable and approximated parts with the approximated part being updated iteratively. With superlinear convergence property, the computation burden is reduced. The proposed algorithm has been fully validated on the New England 39-bus test system.
ISBN: 0-7803-9157-8
DOI: 10.1109/PES.2005.1489547
Appears in Collections:Conference Paper

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