Abstract
This paper describes a proposed particle swarm optimization (PSO)-based PID controller to solve the LFC issues of two-area interconnected power systems that operate under deregulated scenarios. This work proposes a particle swarm optimization-based PID controller to handle LFC concerns in a two-area linked power system that operates under deregulated scenarios. Deregulated power system comprises many power generating sources and many retailers or power sellers so it is not fruitful to use conventional methods for LFC. It is also very difficult to find the optimized parameters of the controller for the LFC of a multi-area deregulated power system. So, a PSO method is implemented in this work to tune the parameters of the PID controller. ITAE is used as an index of performance in function defining the objective. Optimization is done with the objective to minimize ITAE. A two-area deregulated electricity system has been mimicked in MATLAB/Simulink to evaluate the working of developed controllers and dynamic responses obtained under various contractual conditions because the effects of contracts are quite important in the dynamics of a restructured power system. The results approve that the controllers developed using PSO technique are capable of maintaining the frequency variation within the range and also keep tie-line exchange of power between the different areas as per the contractual conditions which are the main objectives of LFC. The proposed controller is highly insensitive to large and sudden load changes and parameter manipulations of the system. The controller is flexible with quite simple structure and very simple to apply. It may thus be highly beneficial for the real power systems. The suggested controller's dynamic behaviors are contrasted with GA-based controllers.
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Jain, D., Bhaskar, M.K., Parihar, M. (2023). PSO-Based Controller for LFC of Deregulated Power System. In: Yadav, A., Nanda, S.J., Lim, MH. (eds) Proceedings of International Conference on Paradigms of Communication, Computing and Data Analytics. PCCDA 2023. Algorithms for Intelligent Systems. Springer, Singapore. https://doi.org/10.1007/978-981-99-4626-6_50
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