Design of load frequency controller for flywheel energy storage system

This paper presents the effect on application of flywheel energy storage system (FESS) for load frequency control (LFC). Both the FESS PID controller and the governor turbine PID controller using genetic algorithm (GA) were designed. The frequency and generation output characteristics for both the FESS controller and the conventional governor turbine controller were compared. To verify robust performance of the FESS controller, the computer simulations were performed under various disturbances. Because it is possible to directly control power input/output of the FESS, the sudden generation change of governor turbine system can be prevented and the efficient operating of power plant facilities is expected.

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