Coordination of PSS and TCSC controllers using the intelligent control techniques to improve dynamic stability of power system

Authors

1 Faculty of Engineering, West Tehran Branch, Islamic Azad University, Tehran, Iran

2 Faculty of Electrical Engineering, Shahid Beheshti University, Tehran, Iran

3 Department of Electrical Eng., Faculty of Technical and Engineering,West Tehran Branch, Islamic Azad University, Tehran, Iran

4 Energy Systems Group, Faculty of Applied Science & Engineering, University of Toronto, Toronto, Ontario, Canada

Abstract

One of the main concerns for power system operators is to improve small signal stability of power system. In this regard, two important devices for this purpose are the Power System Stabilizer (PSS) and the Thyristor controlled Series Compensator (TCSC). Despite the fact that the using this devices can improve the small signal stability, utilization of these devices in an uncoordinated way can provide an adverse effect and cause power system instability. This paper analyzes using two controllers that are an intelligent controller based Clonal Selection Algorithm (CSA) and an Adaptive Neuro-Fuzzy Inference System (ANFIS) controller to coordinate control of the two above mentioned devices to improve the small signal stability of power system. The aforementioned controllers are experimentally tested on a Single Machine connected to Infinite Bus (SMIB) and the simulation results show the effectiveness of both controllers for the coordination of PSS and TCSC.

Keywords

References

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