Abstract
Aiming to elevate the ability of wind power to improve power quality of power system, this article proposed a coordinated control strategy based on adaptive fuzzy control to improve the frequency and voltage quality of power system using wind power and energy storage (ESS). This strategy firstly detects the frequency and voltage deviation of power system. Then using the adaptive fuzzy control determines the frequency and voltage regulation priority. When detected power system frequency or voltage fluctuation, mention in certain areas first, change wind turbines revolving speed, pitch angle, output of grid-side converters and energy storage device through the coordination control, and adjust the active power and reactive power of wind turbines and energy storage device, make full use of power regulation ability of wind power and energy storage, ensure that power system frequency and voltage are all in high quality. Constructed the real-time simulation model based on RTDS, and the simulation results show that the coordinated control strategy proposed in this article can improve the frequency and voltage quality of power system in different working conditions.
Published Version
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