Compressed Air Energy Storage: Matching the Earth to the Turbo-machinery- No Small Task
نویسنده
چکیده
Compressed Air Energy Storage (CAES) is a process for storing and delivering energy as electricity. A CAES facility consists of an electric generation system and an energy storage system. Only earth based geological structures can currently store adequate potential energy in the form of a pressurized air mass required by commercial electric turbines. Earth based structures suitable for service as air storage vessels include 1) solution mined salt cavities, 2) excavated mine cavities, 3) aquifer-water bearing geologic structures, and 4) depleted natural gas reservoirs. Hydrodynamics has found that the greatest limitation on developing CAES is to locate an underground storage vessel that can support the turbo-machinery equipment. Hydrodynamics conducted research on technical barriers to the development of solution mined salt beds, aquifers, and depleted gas fields for CAES service. The technical barriers researched for these three CAES storage media are evaluated.
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