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Title: Semismooth reformulation and Newton's method for the security region problem of power systems
Authors: Qi, L 
Yan, Z
Yin, H
Keywords: Global convergence
Local superlinear convergence
Power system security region
Semismooth Newton method
Smoothing technique
Issue Date: 2008
Publisher: American Institute of Mathematical Sciences
Source: Journal of industrial and management optimization, 2008, v. 4, no. 1, p. 143-153 How to cite?
Journal: Journal of industrial and management optimization 
Abstract: In this paper, we investigate the reformulation of the steady state security region problem for electrical power systems. Firstly, a simple security region problem with one changeable parameter is reformulated into a system of semismooth equations, which is composed by the normal power flow equations and an additional piecewise smooth equation. Then the semismooth Newton method and the smoothing Newton method can be applied to solve the problem. Preliminary numerical results show that the method is promising. Finally, by using the smoothing technique, a more complicated security region problem, the Euclidean security region problem, is reformulated as an equality constrained optimization problem. These works provide a possibility to implement on-line calculation of the security region of electrical power systems.
ISSN: 1547-5816
EISSN: 1553-166X
Appears in Collections:Conference Paper

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