Optimal Design of Modified Power System Stabilizer Using Multi Objective Based Bio Inspired Algorithms

Dasu Butti, Siva Kumar Mangipudi and Srinivasarao Rayapudi
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Dasu Butti: Gudlavalleru Engineering College, Gudlavalleru, India
Siva Kumar Mangipudi: Gudlavalleru Engineering College, Gudlavalleru, India
Srinivasarao Rayapudi: University College of Engineering JNTUkakinada, Kakinada, India

International Journal of Energy Optimization and Engineering (IJEOE), 2018, vol. 7, issue 4, 17-55

Abstract: In this article, a multi objective and a novel objective based Power System Stabilizer (PSS) design is proposed for a modified Heffron - Philiphs model (MHP) using bio inspired algorithms. A conventional Heffron – Philphs (CHP) model is developed by taking infinite bus voltage as reference, whereas MHP model is developed by taking transformer high voltage bus voltage as reference, which makes independent of external system data for the PSS design. PSS parameters are optimized using differential evolution (DE) algorithm and Firefly (FF) algorithm to obtain better dynamic response. The proposed method is tested on various operating conditions under different typical disturbances to test efficacy and robustness. Simulation results prove that better dynamic performance is obtained with the proposed stabilizers over the fixed gain stabilizers. This method of tuning would become a better alternative to conventional stabilizers as conventional stabilizers require retuning of parameters mostly when operating condition changes, which is a time-consuming process and laborious. Eigen value analysis is also done to prove the efficacy of the proposed method over the conventional methods.

Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:igg:jeoe00:v:7:y:2018:i:4:p:17-55

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