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Appl. Sci. 2016, 6(12), 449; doi:10.3390/app6120449

PSO-Based Voltage Control Strategy for Loadability Enhancement in Smart Power Grids

1
Department of Electrical Engineering, Feng Chia University (FCU), No. 100, Wenhwa Road, Seatwen, Taichung 40724, Taiwan
2
Department of Automatic Control Engineering, Feng Chia University (FCU), No. 100, Wenhwa Road, Seatwen, Taichung 40724, Taiwan
3
Department of Information Engineering and Computer Science, Feng Chia University (FCU), No. 100, Wenhwa Road, Seatwen, Taichung 40724, Taiwan
*
Author to whom correspondence should be addressed.
Academic Editor: Chien-Hung Liu
Received: 25 October 2016 / Revised: 18 November 2016 / Accepted: 14 December 2016 / Published: 20 December 2016
(This article belongs to the Special Issue Selected Papers from the 2016 International Conference on Inventions)
View Full-Text   |   Download PDF [2859 KB, uploaded 20 December 2016]   |  

Abstract

This paper proposes a new voltage control methodology using the particle swarm optimization (PSO) technique for smart grid loadability enhancement. The goal of this paper is to achieve reliable and efficient voltage profile/stability regulation in power grids. This methodology is based on the decouple power flow equations and the worst-case design technique. Specifically, the secondary voltage control (SVC) problem is formulated as an L-infinity norm minimization problem which considers overall load voltage deviations in electrical power systems as an objective model, and the PSO technique is employed to determine a robust control action which aims to improve voltage profile and to enlarge transmission grid loadability by optimal coordinated control of VAR sources. The methodology was successfully tested on several IEEE benchmark systems. View Full-Text
Keywords: evolutionary computation; maximum loadability; particle swarm optimization (PSO); power system control; smart grid; static voltage stability evolutionary computation; maximum loadability; particle swarm optimization (PSO); power system control; smart grid; static voltage stability
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Su, H.-Y.; Hsu, Y.-L.; Chen, Y.-C. PSO-Based Voltage Control Strategy for Loadability Enhancement in Smart Power Grids. Appl. Sci. 2016, 6, 449.

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