PSO BASED CONTROLLER FOR LFC OF DEREGULATED POWER SYSTEM

1Dharmendra Jain,2Dr. M. K. Bhaskar,3Manish Parihar

Abstract

: This paper describes a proposed Particle Swarm Optimization (PSO) based proportional plus integral plus derivative (PID) controller to solve the load frequency control (LFC) problem for two-area power system that operates under deregulated environment. Contractual conditions are based on the bilateral contract scheme. Here a PID controller parameter tuning technique is proposed. In each control area, the effects of the possible contracts are treated as a set of new input signals in a restructured power system dynamical model. The outstanding advantage of the proposed strategy is its high insensitivity to large and sudden load changes and unexpected disturbances, parameter manipulations and nonlinearities of the system. The controller developed using the PSO technique leads to a flexible with quite simple structure which is very easy to implement. Therefore, it might be very useful for the actual power systems. In order to check the performance of the designed controller, two area deregulated power system has been simulated under MATLAB/Simulink and dynamic responses obtained under various operating conditions. The results approve that the controller developed using PSO technique are capable of maintaining the frequency deviation in the specified range and also keep the tie line power exchange between the different areas as per the contracted conditions. The dynamic responses of the proposed controller is also compared with GA based controller.

Keywords:

:PSO, Load Frequency Control, Contractual, deregulated, Tie-line, GA, PID controller.


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References


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Bhaskar,Manish Parihar,Hitesh Kumar Jain, "ANALYSIS OF LOAD FREQUENCY CONTROL PROBLEM FOR TWO AREA DEREGULATED POWER SYSTEM USING GENETIC ALGORITHM", International Journal of Creative Research Thoughts (IJCRT), ISSN:2320-2882, Volume.11, Issue 2, pp.c57-c64, February 2023, Available at :http://www.ijcrt.org/papers/IJCRT2302254.pdf

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