Authors:-M.S.Chavan, P.J. Yadav
Abstract:-AVR plays a vital role in generating station. To maintain voltage stability of the generator the terminal voltage should remain constant. So, Automatic voltage regulator (AVR) used to maintain a constant voltage level and it uses an electromechanical mechanism or electronic components depending on its design. The regulators must be designed in such a way that it is insensitive to very small changes; if this is not happened then the system may prone to hunting and result in excessive wear and tear in machine and control equipment. This paper consists of simulation and hardware implementation of Ant Colony Optimization algorithm based PID controller design for automatic voltage regulator. The performance of AVR system with conventional fixed gain PID controller and ACO algorithm based PID is compared in Matlab environment by measuring the settling time, peak overshoot and oscillation. The proposed system is also analyzed by hardware implementation.
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