Patent ID: 6745569
Filing Date: 2004-06-08
Classification: F02C,Y02E

Abstract:
A power generation plant comprising a compressed air energy storage system with a cavern for the storage of compressed air, at least one combustion turbine arranged on a first rotor shaft that drives a first generator, and means for reducing the pressure of air extracted from the air storage cavern for the use in the at least one combustion turbine whereinthe means for reducing the pressure of the extracted air comprises one or several expansion turbines arranged on the first rotor shaft or on a second rotor shaft that drives a second generator and several lines, each of the several lines having a valve, and the several lines being arranged in parallel to one another and all lines lead from the air storage cavern to the one or several expansion turbines or the several lines arranged in parallel to one another each lead from a different section of the one expansion turbine to the at least one combustion turbine.