Time:2024-09-19 Views:1
What is compressed air energy storage
Compressed air energy storage refers to the energy storage method of using electrical energy to compress air during the low load period of the power grid, and releasing compressed air to drive the turbine to generate electricity during the high load period of the power grid. The main forms include traditional compressed air energy storage systems, compressed air energy storage systems with heat storage devices, and liquid gas compressed energy storage systems.
There are also various forms of compressed air energy storage systems, which can be divided into traditional compressed air energy storage systems (requiring fossil fuel combustion), compressed air energy storage systems with heat storage devices, and liquid gas compressed energy storage systems according to the working medium, storage medium, and heat source.
Compressed air energy storage technology is a technology that uses compressed air to store energy. At present, compressed air energy storage technology is considered the second largest technology suitable for GW level large-scale power storage, following pumped storage.
The working principle of compressed air energy storage is to use electrical energy to compress air to high pressure during low electricity consumption periods and store it in caves or pressure vessels, converting electrical energy into internal energy for air storage; During peak electricity usage, high-pressure air is released from the gas storage chamber and enters the combustion chamber for combustion. After heating up with fuel combustion, the turbine is driven to generate electricity.
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