Power Oscillation Damping using Sine Cosine Algorithm based Tilt-Derivative Tilt-Integral Automatic Voltage Regulator

In the current paper, a hybrid Tilt-Derivative Tilt-Integral (TD-TI) controller is added to the synchronous generator automatic voltage regulation (A VR) system to improve the rotor angle stability of a three-machine system and damp the power system oscillations. Moreover, the Sine Cosine algorithm (SCA), a relatively new robust optimization technique is used to tune the proposed controller parameters. The SCA based TD-TI controller results are presented in the form of time domain simulation using MATLAB. The proposed controller response is compared with the normal AVR excitation controller on the IEEE three-machine system. Simulation results show the effectiveness of the proposed controller in damping the oscillations of rotor speed and terminal voltage of the three machines when the system is subjected to three phase short circuit.