A METHOD FOR STARTING UP A GAS TURBINE ENGINE OF A COMBINED CYCLE POWER PLANT
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United States of America Patent
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Issued Date -
Mar 4, 2021
app pub date -
Feb 20, 2018
filing date -
Feb 20, 2018
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Abstract
The invention relates to a method for starting up a gas turbine engine of a combined cycle power plant. The method includes applying load to the gas turbine engine and increasing the load until a predetermined combustor firing temperature is reached, while keeping the adjustable inlet guide vanes in a start position adapted to reduce the mass flow of air into the compressor; further increasing the load of the gas turbine engine while opening the adjustable inlet guide vanes and keeping the predetermined combustor firing temperature constant until the inlet guide vanes reach an end position adapted to increase the mass flow of air into the compressor; further increasing the load of the gas turbine engine while keeping the adjustable inlet guide vanes in the end position until a predetermined load of the gas turbine engine is reached.
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