Method for operating gas turbine unit for combined production of electricity and heat
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United States of America Patent
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-
Mar 16, 1993
Issued Date -
N/A
app pub date -
Jan 15, 1992
filing date -
Jul 25, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Gas turbine unit comprising a high pressure turbine (10) driving a high pressure compressor (11), and a low pressure turbine (13) driving a low pressure compressor (14) and a generator (12), a combustion chamber supplying gas to the compressors, and a recuperator (18) for heat exchange between exhaust gas and compressor air, the low pressure turbine having an adjustable geometry and an adjustable connection (20) being provided bypassing the recuperator, and a method in operating the gas turbine unit wherein the electrical power is adjusted to a desired value by changing the geometry of the low pressure turbine and the heat power is adjusted by adjusting the bypass flow to a desired value.
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