Abstract

Abstract Preliminary analytical studies have been performed to evaluate the commercial viability of compressed air storage peak-power systems. The systems considered consist of (a) a modified gas turbine in which the compressor and turbine sections would be uncoupled, and (b) underground caverns to store the compressed air. These systems are energy storage devices which would be operated in a manner similar to pumped water storage systems. Off-peak nuclear power would be used to run the electric generator in reverse as a motor to drive the compressor which would fill the air storage cavern. During subsequent peak loads the air would be withdrawn from storage, mixed with fuel, burned, and expanded through the turbine to generate power. The results of these preliminary studies indicate that air storage systems should be technically, economically, and environmentally feasible, and justify more detailed evaluation of this novel power system concept.

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