Hydraulic energy storage of wind power plants

The article discusses information on the need to accumulate energy from renewable sources to improve their efficiency, as well as some examples of the integration of systems for hydraulic energy storage and renewable sources, which ensure an increase in the reliability and volume of energy generation. The method for determining the parameters of the hydraulic energy storage system of a wind power plant, which is based on the balance of the daily load produced and spent on energy storage, is presented. This technique, with changing daily loads, makes it possible to determine the main parameters of the complex, including the volume of accumulated water, the coefficient of energy use of the wind power station. A functional diagram of the programmed control of the parameters of a pumped storage and wind power plant for the optimal use of the wind potential in hydraulic energy storage presented. Based on the results of calculations using the proposed method, the main parameters of the system based on a pumped storage and wind power plant with a capacity of 100 MW were determined, the efficiency of hydraulic energy storage was determined in comparison with lithium-ion batteries.

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