Gas-storage power plant
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United States of America Patent
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Oct 28, 2003
Grant Date -
Feb 20, 2003
app pub date -
Jan 28, 2002
filing date -
Aug 17, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention relates to a gas-storage power plant, comprising a gas reservoir (8) in which a gas can be stored under pressure, a turbogroup (2) which has at least one turbine (3, 5), a gas-supply line (9) which leads from the gas reservoir (8) to the turbogroup (2), and a valve arrangement (12) which is arranged in the gas-supply line (9) and throttles a storage pressure (P.sub.S) applied on the inlet side to a working pressure (P.sub.A) by closed-loop and/or open-loop control. In order to improve the reliability of the valve arrangement (12), it has at least two control valves (13, 14) arranged in series. A leading first control valve (13) throttles the storage pressure (P.sub.S) applied on the inlet side to an intermediate pressure (P.sub.Z) by closed-loop or open-loop control. A subsequent second control valve (14) throttles the pressure (P.sub.Z) applied on the inlet side to the working pressure (P.sub.A) by closed-loop control.
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Cited Art Landscape
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