Modeling and Simulation of Load Frequency Control for Three Area Power System Using Proportional Integral Derivative (PID) Controller
Keywords:
Load Frequency Control (LFC), Tie-line Power Flow Control, PID Controller, Three Area Power System, Automatic Generation Control (AGC).Abstract
The impacts of three area power system restructuring on frequency regulation are simulated in this paper. A well tested classical load frequency control model to the improvement of power system operation is also presented. A robust three area power system is presented for frequency and tie-line power deviation. This simulation model is developed with and without PID controller. Using a control strategy, the system is transferred from an initial state to the final state without any oscillations in frequency and tie line power deviation. That is, the final steady state is reduced to zero error. These results are compared with and without integral controller for three area power system in terms of load disturbance in each area. For this application, MATLAB/ SIMULINK software is used.
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