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Stability Analysis of Single Machine Infinite Bus Power System with TCSC Controller


Affiliations
1 Department of Electrical and Electronics Engineering, Thiagarajar College of Engineering, India
2 Electrical engineering department, higher institute of Engineering. Hoon, Libya
     

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The design objective is modeling, simulation and optimal tuning of Thyristor Controlled Series Compensator (TCSC) controller for improvement of stability of Single Machine Infinite Bus (SMIB) power system. The design of TCSC controller requires optimization of multiple performance measures that are competing with each other. The design factor is to improve the power system stability with minimum control effort. Lead- lag Control structure for TCSC is proposed and a comprehensive assessment of the effects of tuned TCSC controller parameters have been tuned using global optimization for ISE performance index of the power system. The simulation results show the proposed controller is effective in damping low frequency oscillation. For various system parameters the stability analysis of the system is carried out. Root locus analysis is carried out to asset the stability of SMIB system with the proposed TCSC controller. The system transfer function is found and the stability of the system with controller and without controller is found and stability is analyzed.


Keywords

Power System Stability, Root Locus, SMIB Power System, Thyristor Controlled Series Compensator.
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  • Stability Analysis of Single Machine Infinite Bus Power System with TCSC Controller

Abstract Views: 307  |  PDF Views: 3

Authors

S. Latha
Department of Electrical and Electronics Engineering, Thiagarajar College of Engineering, India
Mary Raja Slochanal
Electrical engineering department, higher institute of Engineering. Hoon, Libya
J. Pandia Rajan
Department of Electrical and Electronics Engineering, Thiagarajar College of Engineering, India

Abstract


The design objective is modeling, simulation and optimal tuning of Thyristor Controlled Series Compensator (TCSC) controller for improvement of stability of Single Machine Infinite Bus (SMIB) power system. The design of TCSC controller requires optimization of multiple performance measures that are competing with each other. The design factor is to improve the power system stability with minimum control effort. Lead- lag Control structure for TCSC is proposed and a comprehensive assessment of the effects of tuned TCSC controller parameters have been tuned using global optimization for ISE performance index of the power system. The simulation results show the proposed controller is effective in damping low frequency oscillation. For various system parameters the stability analysis of the system is carried out. Root locus analysis is carried out to asset the stability of SMIB system with the proposed TCSC controller. The system transfer function is found and the stability of the system with controller and without controller is found and stability is analyzed.


Keywords


Power System Stability, Root Locus, SMIB Power System, Thyristor Controlled Series Compensator.