Alleviating the Small-Signal Oscillations of the SMIB Power System with the TLBO–FPSS and SSSC Robust Controller

Shayeghi, H.; Ahmadpour, A.; Mokaramian, E.

doi:10.22061/jecei.2017.789

Document Type : Original Research Paper

Authors

Department of Electrical Engineering, Faculty of Engineering, University of Mohaghegh Ardabili, Ardabil, Iran

https://doi.org/10.22061/jecei.2017.789

Abstract

Power systems are subjected to small–signal oscillations that can be caused by sudden change in the value of large loads. To avoid the dangers of these oscillations, the Power System Stabilizers (PSSs) are used. When the PSSs can not be effective enough, installation of the Thyristor–based compensators to increase the oscillations damping is a suitable method. In this paper, a Static Synchronous Series Compensator (SSSC) is used in Single–Machine Infinite–Bus (SMIB). To control the signal of the output voltage of SSSC, a robust controller is used. Also, we proposed a hybrid control method to adjust the PSS voltage using Teaching–Learning Based Optimization (TLBO) algorithm and Fuzzy Inference System (FIS). Objective functions of designing parameters are based on Integral of Time multiplied by Absolute value of the Error (ITAE). The time–variations of angular speed deviations are investigated in different modes, including: with SSSC/PSS, without SSSC/PSS, different input mechanical power, and different system parameters.

Graphical Abstract

Keywords

20.1001.1.23223952.2017.5.2.9.9

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Journal of Electrical and Computer Engineering Innovations (JECEI)

Alleviating the Small-Signal Oscillations of the SMIB Power System with the TLBO–FPSS and SSSC Robust Controller

References

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Volume 5, Issue 2 - Serial Number 10
July 2017
Pages 163-170

Alleviating the Small-Signal Oscillations of the SMIB Power System with the TLBO–FPSS and SSSC Robust Controller

References

References

Send comment about this article

Volume 5, Issue 2 - Serial Number 10July 2017Pages 163-170

Volume 5, Issue 2 - Serial Number 10
July 2017
Pages 163-170