Research on SVG DC-Side Voltage Control Based-on PSO Algorithm

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Yingwei Xiao 1,*

1. School of Electrical Engineering and Automation, Hefei University of Technology, Hefei, 230009, china

* Corresponding author.


Received: 20 Jan. 2016 / Revised: 23 May 2016 / Accepted: 11 Aug. 2016 / Published: 8 Oct. 2016

Index Terms

SVG, DC voltage stability control, PSO, off-line PSO-PI, online PSO-PI


The operation flow of particle swarm optimization (PSO) is presented, at the same time the PSO algorithm and GA algorithm are used to find the optimal value of the standard function, simulation results show that the PSO algorithm has better global search performance and faster search efficiency. The inertia weight decreasing strategy of PSO algorithm is studied, the simulation results show that the concave function decreasing strategy can accelerate the convergence rate of the algorithm. The stability control of the DC-side voltage is very important for the static var generator (SVG) compensation, but the disadvantages of the traditional PI control are fixed parameters and poor adaptability of dynamic response, PSO algorithm is introduced to the optimization of PI parameters, so online PSO-PI control and off-line PSO-PI control are obtained, the SVG voltage loop transfer function is used as the controlled object. The simulation results show that the PSO-PI control can satisfy the time varying system of the controlled object with strong adaptability.

Cite This Paper

Yingwei Xiao, "Research on SVG DC-Side Voltage Control Based-on PSO Algorithm", International Journal of Information Technology and Computer Science(IJITCS), Vol.8, No.10, pp.29-38, 2016. DOI:10.5815/ijitcs.2016.10.04


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