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Energy storage plant and process

A technology for energy storage equipment and equipment, which can be used in energy storage, mechanical equipment, wind turbines that store gravitational potential energy, etc., and can solve problems such as high technical difficulty

Active Publication Date: 2021-09-28
ENERGY DOME SPA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the system works at a low temperature close to -200°C, which is very technically difficult

Method used

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  • Energy storage plant and process
  • Energy storage plant and process
  • Energy storage plant and process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0176] Referring to the accompanying drawings, a device for storing energy (energy storage) according to the invention is generally indicated with the reference number 1 .

[0177] For example, the device 1 operates with a working fluid other than atmospheric air.

[0178] For example, device 1 uses carbon dioxide selected from CO 2 , sulfur hexafluoride SF 6 , nitrous oxide N 2 O group of working fluids to operate on. In the following description, the working fluid used in conjunction with the described device 1 is carbon dioxide CO 2 .

[0179]The device 1 is configured to perform a closed thermodynamic cycle transition (TTC) first in one direction into the charging configuration / phase and then in the opposite direction into the discharging configuration / phase, wherein the device 1 stores heat and pressure in the charging configuration and Electricity is generated in a discharge configuration.

[0180] refer to figure 1 , the plant 1 comprises a turbine 2 and a compre...

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Abstract

An energy storage plant (1) comprises a casing (5) for the storage of a working fluid other than atmospheric air, in a gaseous phase and in equilibrium of pressure with the atmosphere; a tank (9) for the storage of said working fluid in a liquid or supercritical phase with a temperature close to the critical temperature, wherein the critical temperature is close to the ambient temperature. The plant (1) is configured to carry out a closed thermodynamic cyclic transformation (TTC), first in one direction in a charge configuration and then in the opposite direction in a discharge configuration, between the casing (5) and said tank (9), wherein in the charge configuration, the plant (1) stores heat and pressure and in the discharge configuration generates energy.

Description

technical field [0001] The object of the invention is a device and a method for storing electrical energy. More precisely, the object of the present invention is a system that is able to absorb / use electrical energy from the grid or system when excess availability and / or scarcity of consumption is exhibited, is able to maintain the stored energy in time and is able to The stored energy is converted into electrical energy and put back into the grid when it is needed. In detail, the present invention relates to systems for storing electrical energy in the form of potential energy (pressure) and thermal / thermodynamic energy. The present invention is part of medium and large scale energy storage systems for land and sea applications, typically having a power of hundreds of kW up to tens of MW (eg 20MW to 25MW), but also hundreds of kWh up to hundreds of MWh and even up to several GWh of storage capacity. The invention can also be placed in the field of small energy storage syst...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01K3/00F01K3/18F01K25/10F01K7/34F03D9/17F03D9/18F01K3/02F01K9/00
CPCF01K3/18F01K3/006F01K25/10F01K25/103F01K3/02F01K9/00Y02E70/30Y02E20/14Y02E60/16F01D15/10F01K3/185F01K13/02F05D2210/12F05D2210/44F02C6/14Y02E60/14F02C1/10
Inventor 克劳迪奥·斯帕达奇尼
Owner ENERGY DOME SPA