7 results about "Hydro energy" patented technology

The present invention relates to a modular individual polygonal module grouping device of 5 to 9 sides (100) of wind or hydro energy comprising a wind or hydro block (10) with vertical axis and a cage (20) having the form of a right prism with polygonal base of 5 to 9 sides, in which said two bases (21a, 21b) are connected to each other at the level of their respective vertices (23a, 23b) by uprights (24) arranged so that each face (22) forms a panel open in its center for a passage of air through said face (22);and wherein said block (10) comprises a stage formed (11) by lower (12a) and upper (12b) plates that are superimposed in pairs, said plates (12a, 12b) being circular in shape, parallel to each other, and connected rigidly by blades (13), said block (10) being mounted for rotation inside said cage (20) such that the fluid exerts a stress on each of the blades (13) causing said block (10) to rotate about itself. Abbreviated figure: Figure 1;

The application provides a green offshore pumped storage energy, phase modulation and power generation system, which comprises a wind turbine or a wind turbine group, an offshore water tower, a water turbine, an excitation or permanent magnet synchronous generator and a water pumping pump, the excitation or permanent magnet synchronous generator is located in the offshore water tower, the wind turbine or the wind turbine group is located at the top of the offshore water tower or is distributed around the offshore water tower, the vertical excitation or permanent magnet synchronous generator is coaxially connected with the water turbine, a lower water outlet with a volute is arranged in the offshore water tower, a water storage tank is arranged above the offshore water tower, a tower water chamber, a tower water outlet channel, a sea outlet, a water inlet and corresponding valves and related circuit structures are arranged below the offshore water tower. The system can realize a novel offshore energy utilization, integrates offshore pumped storage energy, offshore power generation and offshore phase modulation into a unified structure, takes into account the operation state of the land power grid, fully utilizes offshore resources and improves the utilization rate of wind power generation.

This invention relates to the field of hydropower energy optimization technology, specifically to a method, system, equipment, and medium for predicting the power generation capacity of cascade hydropower in a river basin based on the concept of energy banks and multi-dimensional feature engineering. The method first clearly defines the cascade hydropower generation capacity applicable to market analysis, defining it as an optimization problem of maximizing power generation under consideration of reservoir storage, future inflow, and multiple engineering constraints. Secondly, it establishes multi-dimensional feature engineering from four levels to provide high-quality input for subsequent accurate prediction. Finally, it establishes a TQnet model to capture the complex multiple periodicities, long-range dependencies, and key influencing factors in the power generation capacity sequence, achieving accurate prediction.

This invention relates to the field of hydropower control technology, specifically a method and apparatus for optimizing the configuration of parameters in a hydropower unit speed control system. The method includes: constructing a hydropower unit speed control system model; obtaining guidance indicators for the configuration of various parameters of the hydropower unit speed control system model through curve analysis; and configuring the parameters of the hydropower unit speed control system based on these guidance indicators. This invention utilizes historical data to generate curves and uses curve analysis to obtain parameter configuration guidance indicators. The analysis process is simple, effectively reducing the professional requirements for personnel. Furthermore, it allows for continuous updating and correction using historical data, effectively improving the accuracy, rationality, and adaptability of the optimized configuration of hydropower unit speed control system parameters. This plays a significant role in the stable operation of the unit and improving regulation quality, providing technical support and assurance for the safe and stable transmission of hydropower energy.

The application discloses a kind of monthly power generation capacity evaluation methods of hydropower station based on typical year optimization.The method comprises the following steps: constructing the total objective function of cascade hydropower station;The initial operation scheme of power generation of cascade hydropower station in wet, flat and dry typical year is optimized, and the optimized operation scheme of power generation of cascade hydropower station in wet, flat and dry typical year is obtained;The minimum monthly power generation capacity of hydropower station, the maximum theoretical monthly power generation output and the maximum monthly operation power generation output of hydropower station are obtained, and the maximum monthly power generation capacity of hydropower station is obtained based on the maximum theoretical monthly power generation output and the maximum monthly operation power generation output of hydropower station, to evaluate the monthly power generation capacity of hydropower station.The application uses the dynamic coupling check of theoretical value and practical value, so that the obtained monthly power generation capacity evaluation result of hydropower station covers the extreme working condition of hydropower station operation, and also considers the optimization operation experience of hydropower station, has engineering practicability and theoretical completeness, and can more effectively guide the optimization scheduling work of hydropower energy.

This invention discloses an underground hydrogen storage system coupled with pumped hydro storage, belonging to the field of underground hydrogen storage technology. The system includes a hydrogen production and compression unit, a pumped hydro storage-underground hydrogen storage geological pressure dual control unit, a hydrogen dissolution separation-heat closed-loop unit, an adsorption purification-regeneration unit, and a main controller. Each unit is controlled by the main controller to achieve system-wide adaptive regulation; the main controller incorporates a geological stress-hydrogen storage pressure dual-closed-loop PID control algorithm. This invention achieves deep coupling of pumped hydro storage and underground hydrogen storage through hydrogen-water coordinated flow matching, a graded geological buffer-sealed integrated structure, heat closed-loop recovery, and adsorbent recycling. It solves the problems of high geological risk, large pressure fluctuations, residual hydrogen extraction, and low energy utilization in existing underground hydrogen storage systems. It enables complete hydrogen extraction with no residue, and the system's heat closed-loop is self-sufficient, adapting to the intermittent power generation characteristics of renewable energy, and is suitable for large-scale green hydrogen storage and grid peak shaving.