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Gravity energy storage system using ocean depth drop

An energy storage system, a deep technology, applied in the direction of machines/engines, AC network load balancing, mechanical equipment, etc., can solve the problems of high strength performance and structural design requirements, operating risks, low energy density, etc., to achieve uniform power The effect of output, long working life and high energy density

Inactive Publication Date: 2016-08-17
TIANJIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The solution has low energy density and occupies a large area
In addition, this technology has high requirements on the strength performance and structural design of columns, cables and other components, and has a low safety factor, which poses operational risks

Method used

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  • Gravity energy storage system using ocean depth drop
  • Gravity energy storage system using ocean depth drop
  • Gravity energy storage system using ocean depth drop

Examples

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Embodiment Construction

[0031] In order to further understand the invention content, characteristics and effects of the present invention, the following examples are given, and detailed descriptions are as follows in conjunction with the accompanying drawings:

[0032] see Figure 1 ~ Figure 3, the present invention is a gravity energy storage system utilizing ocean depth drop, comprising a single point mooring device 2 fixed on the seabed plane, a large floating body 3, several standardized weights 5 and a control system 33, the standardized weights 5 Stacked on the large floating body 3 and the seabed plane 1, the large floating body 3 is provided with at least two groups of power lifting and power generation devices 6, stacking equipment, power conversion device 32, wireless communication terminal I and The control system 33, each group of the electric power lifting and generating device 6 includes a suspension hook 65, a cable 64, a cable winch 63, a motor-generator integrated machine 61 and a pu...

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Abstract

The invention discloses a gravity energy storage system utilizing the ocean depth drop. The system comprises a single point mooring device fixed to the plane of a seabed, a large floating body, a plurality of standard weights and a control system, wherein the standard weights are stacked on the large floating body and the plane of the seabed; at least two sets of evenly distributed electric power lifting and power generating devices, a stacking device and the control system are arranged on the large floating body; a seabed operation robot without a cable is arranged on the plane of the seabed, the control system is used for remotely controlling the seabed operation robot, and the standard weights are carried in cooperation with the electric power lifting and power generating devices. Through the altitude difference between the sea surface and the seabed, the standard weights are lifted in a mechanical movement mode to achieve electric power storage, the problems that in the prior art, the system is too complicated, the safety coefficient is not high, and cost is high are effectively solved, and the system is particularly suitable for being implemented in the area with the depth of thousands of meters and the seabed flat.

Description

technical field [0001] The invention relates to the technical field of energy storage, and is an efficient energy storage / release system for converting electric energy into gravitational potential energy for storage and converting stored gravitational potential energy into electric energy. Background technique [0002] Renewable energy (wind energy, solar energy, tidal current energy, etc.) usually has the characteristics of poor regularity and large fluctuations, and it is difficult to keep in line with the real-time trend of power demand. Although the installed capacity of renewable energy in my country continues to expand, the power supply is tight and the grid peak regulation is difficult. problem has become increasingly prominent. [0003] Large-scale power storage technology is an important means to solve the contradiction between power production capacity and the peak-to-valley difference of power demand fluctuations. In addition, electric energy storage technology ca...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F03G3/00H02J3/28
Inventor 罗振军田永利黄磊杨帆李博
Owner TIANJIN UNIV
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