Abstract

This paper presents application of tilt integral derivative (TID) controller as a load frequency control scheme for improving the frequency response of two-area power system. TID control is a type of fractional order control, having similar structure to PID control but instead of a proportional behavior (like in PID); TID has a tilted behavior which can be recognized by the transfer function of TID controller. The study incorporates formation of an objective function based on a performance index (ITAE) and a constrained non-linear optimization technique is used for optimal tuning of TID controller. Further, through simulation studies the performance response of TID controller has been compared with proportional integral (PI) controller and the results obtained demonstrate the effectiveness of TID control over PI control.

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