PID Controller Based Automatic Generation Control for Three Area Interconnected Power System

This paper proposes an effective stalbe interconnected system model to maintain stable frequency into an interconnected power system combining three areas through automatic generation control (AGC). The proposed system is formulated by two different controllers, such as, Integral controller based AGC model (ICAGC) and PID controller based AGC model (PIDAGC) that are individually applied to a common interconnected system model. The major technique is to incorporate three different PID controllers in this system. The aim of the consideration is to be achieved an effective stable interconnected power system. According to our knowledge, no one has considered before such PIDAGC model for an interconnected system combining three areas. For evaluations of the proposed models, an interconnected power system is simulated by MATLAB Simulink. The simulation results are compared with that of existing model and found that our results are better in terms of frequency deviation and settling time.