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Compressed air energy storage system patent


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Energy storage system utilizing compressed gas

An energy storage and recovery system employs air compressed utilizing power from an operating wind turbine. This compressed air is stored within one or more chambers of a structure supporting the wind turbine above the ground. By functioning as both a physical support and as a vessel for storing compressed air, the relative contribution of the support structure to the

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Systems and methods for efficient two-phase heat transfer in compressed

Patent: Systems and methods for efficient two-phase heat transfer in compressed-air energy storage systems patent: July 2000: Compressed Air Energy Storage System Utilizing Two-Phase Flow to Facilitate Heat Exchange. Fong, Danielle A.; Crane, Stephen E.; Berlin, JR., Edwin P.

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Compressed-air energy storage

A pressurized air tank used to start a diesel generator set in Paris Metro. Compressed-air-energy storage (CAES) is a way to store energy for later use using compressed air.At a utility scale, energy generated during periods of low demand can be released during peak load periods. [1]The first utility-scale CAES project was in the Huntorf power plant in Elsfleth, Germany, and is still

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Compressed-air energy-storage system

A compressed-air energy-storage system, comprising: a variable-nozzle expander configured to receive an airflow at a first pressure and partially expand said airflow at a second pressure, said second pressure being lower than said first pressure, expansion of said airflow in said variable-nozzle expander producing useful mechanical power; a heat generator

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A hybrid energy storage system using compressed air and hydrogen as the

The method of energy storage is consistent with the concept proposed in the patent procedure [18]. 3. During the charging period of the energy storage system, compressed air is collected in an underground tank thanks to the use of a three-section compressor which uses intersection coolers. The total sum of the amount of energy used to power

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Who are the leading innovators in compressed air energy storage system

Siemens is one of the leading patent filers in compressed air energy storage systems. Siemens, a world leader in power generation, with a broad portfolio and global installed base of thousands of utility- and industrial-grade gas turbines and compressors, is at the forefront of CAES technology.

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Compressed air energy storage

Compression energy in CAES systems. Energy storage is an important element in the efficient utilisation of renewable energy sources and in the penetration of renewable energy into electricity grids. The concept of using a liquid to compress a gas is not new and goes as far back as a patent by Christensen (1933), who presented a method

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Compressed air energy storage system (Patent) | DOE Patents

@article{osti_863939, title = {Compressed air energy storage system}, author = {Ahrens, Frederick W and Kartsounes, George T}, abstractNote = {An internal combustion reciprocating engine is operable as a compressor during slack demand periods utilizing excess power from a power grid to charge air into an air storage reservoir and as an expander during peak demand

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Hybrid compressed air/water energy storage system and method

A hybrid compressed air/water energy storage system is described. The system includes a series of water containers and a plurality of inflatable bladders held within each container. An air compression facility is used to inflate the bladders upon which water is forced out of the containers to a water storage facility at a higher potential energy.

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Compressed air energy storage in integrated energy systems: A

Among all energy storage systems, the compressed air energy storage (CAES) as mechanical energy storage has shown its unique eligibility in terms of clean storage medium, scalability, high lifetime, long discharge time, low self-discharge, high durability, and relatively low capital cost per unit of stored energy. In contrast, low roundtrip

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Hybrid compressed air energy storage system

A hybrid compressed air energy storage system is provided. A heat exchanger 114 extracts thermal energy from a compressed air to generate a cooled compressed air stored in an air storage reservoir 120, e.g., a cavern. A heat exchanger 124 transfers thermal energy generated by a carbon-neutral thermal energy source 130 to cooled compressed air conveyed from

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( 19 ) United States ( 12 ) Patent Application Publication ( 10 )

( 12 ) Patent Application Publication ( 10 ) Pub . No .: US 2021/0332752 A1 Williams ( 43 ) Pub . Date : Oct. 28, 2021 ( 54 ) HYBRID COMPRESSED AIR ENERGY A hybrid compressed air energy storage system is provided . A heat exchanger 114 extracts thermal energy from a com

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Thermodynamic investigation of quasi-isothermal air

Compressed air energy storage system is a promising solution in the energy storage field: it is characterized by a high reliability, low environmental impact and a remarkable energy density. Four patents related to storage system based on liquid piston and scroll compressor/expander technology have been filed [19]. Enairys Powertech first

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Compressed air energy storage power generation device

Patent Document 1 discloses an adiabatic compressed air energy storage (ACAES) power generation device that recovers heat from compressed air before storing the compressed air and reheats the compressed air when the stored compressed air is supplied to the turbine. Since the ACAES power generation device recovers the compression heat and uses the compression

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Liquid air energy storage – A critical review

compressed air energy storage: CCHP: combined cooling, heating and power: CHP: combined heat and power generation: DS: dynamic simulation: ECO: economic analysis: ESS: A Chinese patent reports a system that integrated LAES and batteries for frequency regulation of power grids [38]. When the grid needs frequency regulation service to obtain

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Review and prospect of compressed air energy storage system

2.1 Fundamental principle. CAES is an energy storage technology based on gas turbine technology, which uses electricity to compress air and stores the high-pressure air in storage reservoir by means of underground salt cavern, underground mine, expired wells, or gas chamber during energy storage period, and releases the compressed air to drive turbine to

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High-efficiency heat exchange in compressed-gas energy storage systems

In various embodiments, efficiency of energy storage and recovery systems employing compressed air and liquid heat exchange is improved via control of the system operation and/or the properties of the heat-exchange liquid.

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Compressed air energy storage system utilizing two-phase flow

A compressed-air energy storage system according to embodiments of the present invention comprises a reversible mechanism to compress and expand air, one or more compressed air storage tanks, a control system, one or more heat exchangers, and, in certain embodiments of the invention, a motor-generator. The reversible air compressor-expander uses mechanical power

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High-efficiency liquid heat exchange in compressed-gas energy storage

@article{osti_1531732, title = {High-efficiency liquid heat exchange in compressed-gas energy storage systems}, author = {Bollinger, Benjamin and Magari, Patrick and McBride, Troy O.}, abstractNote = {In various embodiments, efficiency of energy storage and recovery systems employing compressed air and liquid heat exchange is improved via control

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Compressed air energy storage | Energy Storage for Power Systems

Citywide compressed air energy systems have been built since 1870. Cities such as Paris, Birmingham, Offenbach, Dresden in Germany and Buenos Aires in Argentina installed such systems. a compressed air storage system with an underground air storage cavern was patented by Stal Laval in 1949. Since that time, only two commercial plants have

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Comprehensive Review of Compressed Air Energy Storage (CAES

As renewable energy production is intermittent, its application creates uncertainty in the level of supply. As a result, integrating an energy storage system (ESS) into renewable energy systems could be an effective strategy to provide energy systems with economic, technical, and environmental benefits. Compressed Air Energy Storage (CAES) has

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About Compressed air energy storage system patent

About Compressed air energy storage system patent

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