Compressed-Air Energy Storage Preliminary Design and Site Development Program in an Aquifer Volume 5:Part 1—Turbomachinery Design

摘要

This report, Volume 5, Part 1, documents (1) the development of the design approach for a combustion-turbine heat cycle and (2) the major mechanical equipment for use by an electric utility at a selected aquifer air storage site. A compressed-air energy storage (CAES) system utilizes off-peak electric power, available from base-load power plants, to store compressed air underground in an aquifer. During subse¬quent periods when intermediate or peaking combustion turbines are normally employed, the stored air is extracted from the aquifer and used as an air supply for a generating combustion-turbine expander.nThe site selected for this study is Media, Illinois, where the aquifer has an initial discovery pressure of 840 psia. An initial air injection temperature of 150°F was selected.