Power System Stabilizers and Control of Reactive Power Compensator in Multi-Machine by Particle Swarm Optimization Algorithm

H  Izadi  and R  Effatnejad

doi:10.17485/ijst/2015/v8i3/59595

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Indian Journal of Science and Technology

DOI: 10.17485/ijst/2015/v8i3/59595

Year: 2015, Volume: 8, Issue: 3, Pages: 254–262

Original Article

Power System Stabilizers and Control of Reactive Power Compensator in Multi-Machine by Particle Swarm Optimization Algorithm

H. Izadi¹ and R. Effatnejad^2*

¹ Electrical Engineering Department, Science and Research-Alborz Branch, Islamic Azad University, Alborz, Iran; h_madjmaizadi@yahoo.com

² Electrical Engineering Department, Karaj Branch, Islamic Azad University, Karaj, Alborz, Iran; Reza.efatnejad@kiau.ac.ir

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

The purpose of this article is to increase the stability and synchronization of multi-machine power system through power system stabilizers 3 band (pss3b). This new stabilizer system indicates better performance by changes in operating conditions and on the other hand, by setting Flexible AC Transmission System device (FACTS) this system can play a key role in limiting fluctuations. All system variables including pss3b and svc are designed by PSO algorithm in the article. The designed stabilizer has been used in a grid of 11 bus bar with two areas and four machines, and the pss and pss3b performances on increase of low frequency oscillation damping have been compared by applying three-phase fault at different working conditions. Finally the comparison between responses obtained from simulations with the same reference system response can prove advantage of this stabilizer and the newly designed system over previous ones in damping vibrations and stability increase.

Keywords:
Dynamic System, PSO (Particle Swarm Optimization), PSS (Power System Stabilizer), PSS3B (Power System Stability)