Method and system for startup of gas turbine system drive trains with exhaust gas recirculation
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United States of America Patent
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May 19, 2020
Grant Date -
Dec 31, 2015
app pub date -
Jun 16, 2015
filing date -
Jun 30, 2014
priority date (Note) -
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Abstract
In one embodiment, a system includes a drive train starter system. The drive train starter system includes a generator mechanically coupled to a drive train of a gas turbine system and an exciter system electrically coupled to the generator and configured to provide a magnetic field. The drive train starter system additionally includes a load commutated inverter (LCI) electrically coupled to the generator and configured to provide electrical power to the generator and a controller communicatively coupled to the generator, the exciter system, and the LCI. The controller is configured to start up the drive train via the LCI and the generator up to less than a drive train operating speed, wherein the generator is converting electricity into mechanical motion; drive the drive train via a gas turbine up to the drive train operating speed; and to drive the drive train via the generator at the drive train operating speed.
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