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Fuzzy Based Turbine Governor for Hydro Power Plant

Hydroelectric energy is a major source of renewable electricity in the world. The industry is continuously searching for ways to improve the efficiency and reliability with which it produces energy. The turbine governor plays vital role in keeping frequency constant. Here we proposed a fuzzy approach to turbine governor by utilizing human experience. The simulation model of Hydro Power Plant (HPP) was constructed based on mathematical equations that summarize the behavior of the power plant. The simulation model of power plant is useful in stability studies. It is implemented in software package MatLab/Simulink. Simulation models are suitable for use in large scale system stability studies. The fuzzy controller is designed and tested for three phase to ground fault by simulations which are reported in this paper. Results obtained by simulation show the rapidity and robustness of the Fuzzy controller. The Fuzzy controller is able to maintain the generated electrical power’s characteristics in spite of changing user load.