ABSTRACT
In the present work, the Differential Evolution (DE) algorithm optimized Fractional Order PID (FOPID) controller is proposed for Automatic Generation Control (AGC) of multi area multi source power system with parallel AC-DC link. The non-linearity such as time delay is included in the system model. The gains of the PID and FOPID controllers are optimized using an ITAE objective function. The superiority of FOPID controller over PID and Optimal controller is demonstrated by comparing dynamic performance of the same interconnected power system. Then sensitivity analysis is performed by changing the system parameters and loading condition from their nominal values. Finally proposed system is investigated under randomly varying load disturbances.
