Design of a PID Controller with Fractional Order Derivative Filter for Automatic Voltage Regulation in Power Systems
Erdinç Şahin1*
1Karadeniz Technical University, Trabzon, Turkey
* Corresponding author: esahin@ktu.edu.tr
Presented at the 4th International Symposium on Innovative Approaches in Engineering and Natural Sciences (ISAS WINTER-2019 (ENS)), Samsun, Turkey, Nov 22, 2019
SETSCI Conference Proceedings, 2019, 9, Page (s): 23-27 , https://doi.org/10.36287/setsci.4.6.013
Published Date: 22 December 2019 | 1138 20
Abstract
In this study, a PID controller with fractional order derivative filter (PIDFF) is designed for automatic voltage regulation (AVR) in power systems. In order to ensure maximum transient and steady state performance from the designed controller, the controller parameters and fractional order and gain of the derivative filter are tuned by particle swarm optimization (PSO) algorithm. The PSO algorithm searches the optimum solution in the specified search space for the controller and filter parameters to minimize integral of time-weighted squared error (ITSE) performance index. The obtained results are compared to some studies in the literature. As a result, superiority of the PIDFF controller in terms of transient and steady state characteristics is demonstrated. The robustness test of the designed PIDFF controller is also considered.
Keywords - Fractional calculus, PID controller, Fractional order derivative filter, PSO algorithm, Time domain and robustness analysis
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