A.J.D. Jiya (Nigeria) and J.T. Agee (Botswana)
Power system control, PI control, Fuzzy Control, Load Frequency Control, Automatic generation control.
This paper presents a Fuzzy compensated PI controller design for load frequency control of the Nigerian Hydrothermal power system. The fuzzy compensator operates on top of the existing PI controller and does not require a priori knowledge of the controlled system and acts as a supplementary controller to the system. A comparative simulation study of conventional PI controller with fuzzy compensated PI controller show that the proposed controller can yield a better dynamic response following a step load change.
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