Firefly Algorithm based STATCOM Controller for Enhancement of Power System Dynamic Stability

2022 International Conference on Intelligent Controller and Computing for Smart Power (ICICCSP) Pub Date : 2022-07-21 DOI:10.1109/ICICCSP53532.2022.9862405

Subir Datta, S. Deb, Robert Singh, Rahul Roy, Akibul Islam, S. Adhikari

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Abstract

Nowadays, oscillation due to low frequency is a very serious issue in power system. It affects steady state power transfer which hampers security and economic operation of the system. FACTs devices play a key role to mitigate the low frequency oscillations. Therefore, in this paper STATCOM and its associated controllers are considered in order to damp out oscillations produced due to low frequency in power system and Firefly Algorithm (FA) is also used to optimize the gain values of STATCOM controllers. An extensive simulation of the study system has been implemented using MATLAB/Simulink platform. System responses have been obtained with PSS and also with compensator comprising of both PSS and STATCOM. Time domain simulation studies are utilized to check effectiveness of the FA based proposed controllers. The simulation results obtained revealed that PSS with STATCOM has excellent capabilities in damping power system oscillations with low frequency.

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基于萤火虫算法的STATCOM控制器增强电力系统动态稳定性

目前，低频振荡是电力系统中一个非常严重的问题。它影响了系统的稳态输电，影响了系统的安全和经济运行。事实器件在减轻低频振荡方面起着关键作用。因此，本文考虑STATCOM及其相关控制器对电力系统低频产生的振荡进行阻尼，并采用萤火虫算法(Firefly Algorithm, FA)对STATCOM控制器的增益值进行优化。利用MATLAB/Simulink平台对学习系统进行了广泛的仿真。用PSS和由PSS和STATCOM组成的补偿器分别得到了系统的响应。利用时域仿真研究验证了所提控制器的有效性。仿真结果表明，带STATCOM的PSS对电力系统低频振荡具有良好的抑制能力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2022 International Conference on Intelligent Controller and Computing for Smart Power (ICICCSP)

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