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Energy storage device and energy storage method

A technology of energy storage device and drive device, which is applied in the direction of energy storage system, AC network load balancing, electrical components, etc.

Inactive Publication Date: 2021-01-29
HEFEI SUNGROW RENEWABLE ENERGY SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The main purpose of the present invention is to provide an energy storage device and an energy storage method to solve the problem of high cost of energy storage methods in the prior art

Method used

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  • Energy storage device and energy storage method
  • Energy storage device and energy storage method
  • Energy storage device and energy storage method

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Embodiment Construction

[0030] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0031] Such as Figures 1 to 7 As shown, the present invention provides an energy storage device, comprising: a floating body 1, the floating body 1 floats on the water surface; a transmission assembly 2, the transmission assembly 2 is connected with the floating body 1 to move synchronously with the floating body 1; a driving device 3, which drives The device 3 is drivingly connected with the transmission assembly 2 to drive the transmission assembly 2 to move, and to drive the floating body 1 to sink through the driving device 3, so as to convert electric energy into the buoyancy potential energy of the floating body 1 and store the energy, or when the floating body 1 is under the action of b...

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PUM

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Abstract

The invention provides an energy storage device and an energy storage method. The energy storage device comprises a floating body which floats on the water surface, a transmission assembly and a driving device; the transmission assembly is in transmission connection with the floating body so as to synchronously move with the floating body; the driving device is in driving connection with the transmission assembly to drive the transmission assembly to move, so that the floating body is driven by the driving device to sink, electric energy is converted into buoyancy potential energy of the floating body and stored, or when the floating body floats under the action of buoyancy, the driving device is driven to generate electricity, and the buoyancy potential energy of the floating body is converted into electric energy. The energy storage device solves the problem of high cost of an energy storage mode in the prior art.

Description

technical field [0001] The invention relates to the field of new energy, in particular to an energy storage device and an energy storage method. Background technique [0002] New energy power stations need to accept the unified dispatch of the power grid when they are connected to the grid. The grid needs to stop the power transmission of the new energy power stations in a planned way due to load changes and other reasons. The loss is 400,000 to 600,000 yuan). [0003] At present, new energy power stations will be equipped with battery energy storage systems in order to reduce this part of the loss. At this stage, battery energy storage has limitations such as high cost, low service life, difficult maintenance, and low utilization. Other existing energy storage methods There are also more or less high costs and low utilization rates, and the return on investment cycle is longer. Contents of the invention [0004] The main purpose of the present invention is to provide an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03B17/02H02J15/00H02J3/28
CPCF03B17/02H02J15/003H02J3/28Y02E10/20
Inventor 陆克华周辉邹绍琨张彦虎
Owner HEFEI SUNGROW RENEWABLE ENERGY SCI & TECH CO LTD