Performance Analysis and Coordination of Robust Controller and SVC in Multi Machine Power System Network Using Ant Colony Optimization Technique

Dovendra Kumar Verma*, Mahesh Singh**, Shimpy Ralhan***, Ajay Kumar Tiwari****
*,**** Department of Electrical and Electronics Engineering, Chhattisgarh Swami Vivekanand Technical University (CSVTU), Bhilai, Chhattisgarh, India.
**-*** Department of Electrical and Electronics Engineering, Shri Shankaracharya Group of Institutions, Bhiali, Chhattisgarh, India.
Periodicity:May - July'2019
DOI : https://doi.org/10.26634/jps.7.2.16820

Abstract

In this paper, the multi-machine Power System Stabilizer (PSS) with Genetic Algorithm (GA), PID-PSS using GA and PID-PSS using Ant Colony Optimization (ACO) have been proposed. The aim of designing a robust controller is to improve transient stability and damping of low frequency oscillations. The conventional PSS is replaced by PID-PSS and a research has been done on feedback controllers design using artificial intelligence optimization techniques that are GA-PSS, GAPID- PSS and ACO-PID to obtain the best performance of transient stability control of multi machine power system. The minimization criteria of error overshoot and settling time is done through Integral of Time-weighted Absolute Error (ITAE) method. The research found that GA-PID-PSS has better performance over GA-PSS, such that tuning of PID-PSS is again resolved through ACO based metaheuristic technique. This ACO-PID-PSS is coordinated with Static VAR Compensator (SVC) with a Proportional Integral (PI) type auxiliary controller. The proposed coordination is tested in a 4 machine 6 bus power system in MATLAB/Simulink. The robustness and impressiveness of the proposed coordination results were compared with their overshoot and settling time.

Keywords

Ant Colony Optimization (ACO), Coordination, Genetic Algorithm (GA), PID-PSS, Power System Stabilizer (PSS), Static VAR Compensator (SVC).

How to Cite this Article?

Verma, D. K., Singh, M., Ralhan, S., and Tiwari, A. K. (2019). Performance Analysis and Coordination of Robust Controller and SVC in Multi Machine Power System Network Using Ant Colony Optimization Technique. i-manager’s Journal on Power Systems Engineering, 7(2), 18-26. https://doi.org/10.26634/jps.7.2.16820

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