Abstract
AbstractIn this research analysis, we projected a new structure of controller configuration by hybridizing conventional PID and FOPID controllers. By using hybrid cascaded PI-FOPID controller we can double the benefit as it has the properties of two controllers. This will help to retain the frequency within acceptable limits during the faults or demand variations in an interconnected power system that contains various plants and a SMES (Superconducting magnetic energy storage) unit. The controller is tuned by the Sine–Cosine Optimization (SCO) algorithm considering ITAE as an objective function. Firstly, the outcome of the system is witnessed during Step Load Perturbation (SLP) of 1% in area 1 and it is compared with pre-published outcomes in terms of negative undershoots, settling time and positive overshoots. In the second case, the system response is analyzed in the presence of a SMES unit and the outcomes are monitored by comparing the performance of FOPID and PI-FOPID controllers tuned by sine cosine algorithm. The supremacy of the PI-FOPID controller is established over other mentioned controllers.KeywordsMulti-area power systemFractional order controllerAutomatic generation controlHybrid cascaded controllerSine–cosine optimization
Published Version
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