Özet:

In this study, two regional inter-warming thermal power systems and multi-source power systems load frequency control (YFK) were addressed. In these systems, a simple PID controller is preferred as a secondary controller. A new target function was designed to improve the controller performance and the value of this target function was obtained by reducing the PID control parameters by using the Symbiotic Organism Search Algorithm (SOAA). All the power systems performed similarity are modeled in the MATLAB/Simulink environment, while the optimization technique is encoded in the MATLAB/M-file environment. For the proof of the contribution of the study to literature, the results obtained from each power system are compared with the popular results in good magazines. The SOAA:PID controller, adjusted by the recommended target function according to the comparison results, was observed that despite its simple structure, the frequency and connection line performed better than other approaches in terms of oscillation, seating time, maximum positive overhead and maximum negative overhead in terms of time area indicators.

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