A hydraulic wave energy power generation system based on the principle of volume adjustment

Abstract

The invention discloses a hydraulic wave energy power generation system based on the principle of volume adjustment, which is characterized in that: it includes an energy capture end, an energy storage end and an output end; the energy capture end, energy storage end and output end pass through sequentially The medium pipeline is connected; the energy harvesting end converts the wave energy into hydraulic energy and transmits it to the energy storage end, and the energy storage end converts the hydraulic energy with low frequency and large fluctuation into high frequency and smooth hydraulic energy and then transmits it to the output end. The terminal converts the stabilized hydraulic energy into high-quality electrical energy. Since the present invention adopts volume adjustment to realize multiple control objectives of hydraulic cylinder force control, system working pressure control and generator speed control, compared with traditional throttling adjustment methods, throttling loss is avoided, and the conversion efficiency of the power generation system is improved. , while avoiding power consumption and frequent pressure fluctuations caused by oil pressure oscillations caused by discrete switching of hydraulic valves, improving the service life and reliability of each component in the system.

Description

technical field [0001] The invention relates to the technical field of wave energy power generation, in particular to a hydraulic wave energy power generation system based on the principle of volume adjustment. Background technique [0002] The waves in the ocean are constantly changing. Under each wave condition, there is an optimal force of the hydraulic cylinder so that the hydraulic cylinder can capture the wave energy to the greatest extent under this wave condition. The current hydraulic wave energy power generation system, whether it is It is difficult to take into account the multiple control objectives of hydraulic cylinder force control, system pressure control and generator speed control at the same time for both atmospheric pressure hydraulic and variable pressure hydraulic wave energy generation systems. For atmospheric pressure hydraulic wave energy power generation systems, flow control valves are often added to control the generator speed by throttling speed ...

AI Technical Summary

Problems solved by technology

Therefore, for the current hydraulic wave energy generation system, throttling control is often used to achieve multiple control objectives of hydraulic cylinder force control, system pressure control and generator speed control, resulting in large power loss, resulting in lower overall conversion efficiency and output energy quality. In order to meet the design concept of high efficiency and energy saving

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