What is it about?
This study extensively addresses the application of optimal control approach to the automatic generation control (AGC) of electrical power systems. Proportional integral structured optimal controllers are designed using full-state feedback control strategy employing performance index minimization criterion. It is observed that optimal controllers show better system results in terms of minimum value of settling time, peak overshoot/undershoot, various performance indices, and oscillations along with maximum value of minimum damping ratio in comparison to other controllers. Sensitivity analysis affirms the robustness of the optimal feedback controller gains to wide variations in some system parameters from their nominal values.
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Why is it important?
Power system should be stable under stochastic load demands. The generation company should maintain its generation as per the contracted made with distribution company. To attain these objectives, an optimal and robust controller is required.
Perspectives
Some traditional single/multiarea and restructured multiarea power system models from the literature are explored deliberately in the present study. The dynamic performance of optimal controllers is observed superior in comparison to integral/proportional-integral controllers tuned using some recently published modern heuristic optimization techniques.
Dr. YOGENDRA ARYA
Maharaja Surajmal Institute of Technology
Read the Original
This page is a summary of: Optimal control strategy-based AGC of electrical power systems: A comparative performance analysis, Optimal Control Applications and Methods, January 2017, Wiley,
DOI: 10.1002/oca.2304.
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