NDLI: Voronoi diagram based optimization of dynamic reactive power sources

Content Provider	IEEE Xplore Digital Library
Author	Weihong Huang Kai Sun Junjian Qi Yan Xu
Copyright Year	2015
Description	Author affiliation: Univ. of Tennessee, Knoxville, TN, USA (Weihong Huang; Kai Sun; Junjian Qi) \|\| Oak Ridge Nat. Lab., Oak Ridge, TN, USA (Yan Xu)
Abstract	Dynamic var sources can effectively mitigate fault-induced delayed voltage recovery (FIDVR) issues or even voltage collapse. This paper proposes a new approach to optimization of the sizes of dynamic var sources at candidate locations by a Voronoi diagram based algorithm. It first disperses sample points of potential solutions in a searching space, evaluates a cost function at each point by barycentric interpolation for the subspaces around the point, and then constructs a Voronoi diagram about cost function values over the entire space. Accordingly, the final optimal solution can be obtained. Case studies on the WSCC 9-bus system and NPCC 140-bus system have validated that the new approach can quickly identify the boundary of feasible solutions in searching space and converge to the global optimal solution.
Starting Page	1
Ending Page	5
File Size	735333
Page Count	5
File Format	PDF
ISBN	9781467380409
DOI	10.1109/PESGM.2015.7286263
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-07-26
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Reactive power Optimization Power system dynamics Interpolation Linear programming Dynamic scheduling Voronoi Diagram dynamic var support FIDVR nonlinear optimization
Content Type	Text
Resource Type	Article

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