Energy storage and recovery

Details Energy storage and recovery Energy storage and recovery

F - Mech Eng,Light,Heat,Weapons

03

B

138/24, 61/2.5

F03B 17/02 (2006.01) F03B 13/06 (2006.01)

Patent

CA 1260802

A B S T R A C T ENERGY STORAGE AND RECOVERY During off-peak hours, mechanical energy is stored by pumping liquid from a first cavern into a second cavern containing a gas. In this way the gas in the second cavern is compressed. The stored energy is recovered by allowing the gas in the second cavern to expand, which causes liquid to flow back from the second to the first cavern. The liquid flowing back from the second to the first cavern is used for driving a turbine.

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