Abstract
Electromechanical oscillations in a power system can be effectively damped by fast acting energy storage devices, because additional energy storage capacity is provided as a supplement to the kinetic energy storage in the moving mass of the generator rotor. The energy storage devices share the sudden changes in power requirement in the load. A new scheme using a small rating capacitive energy storage unit is proposed in this paper for improvement of the dynamic performance of a power system having load-frequency control. A comprehensive digital computer model of a two-area interconnected power system, which includes the governor dead-band non-linearity, steam reheat turbine, boiler dynamics and the generator rate constraint, is developed for the analysis.
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