IEEE Transactions on Power Systems · 2015 · 162 citations · 2 references
EngineeringSystems EngineeringProcess ControlProduction ControlSystem DynamicsControl SystemsControl TheoryController DesignFrequency ControlPower System StabilityStability TheoryControl System Stability In The Time DomainDelay-dependent StabilityDelay-dependent Stability AnalysisDelay-dependent Stability CriteriaFrequency Stability AnalysisParameter Space AnalysisParameter Space ExplorationTime-domain Simulation
This letter proposes a graphical method to compute the stabilizing values of proportional-integral (PI) controller parameters for a single-area load frequency control (LFC) system with time delay. The method is based on the stability boundary locus. The stability region is displayed in controller parameter space and time-domain simulation studies are carried to verify the accuracy and effectiveness of the proposed method.
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