METHOD FOR STARTING TURBOMACHINE

PROBLEM TO BE SOLVED: To provide a method of reducing the variation of the start-up time of a gas turbine. SOLUTION: A closed loop controls philosophy is employed, which actively controls a starting means of a powerplant machine throughout the start-up process. A method 500 may be provided for adjus...

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Hauptverfasser:	SHARTZER SAMUEL B, MATERS JOHN C, SNIDER DAVID A, SEELY WILLIAM F, POST EUGENE A
Format:	Patent
Sprache:	eng
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING COMBUSTION ENGINES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS GAS-TURBINE PLANTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method of reducing the variation of the start-up time of a gas turbine. SOLUTION: A closed loop controls philosophy is employed, which actively controls a starting means of a powerplant machine throughout the start-up process. A method 500 may be provided for adjusting a nominal operating schedule 515 of the starting means which may have the form of a Load Commutated Inverter (LCI). Embodiments of the method 500 may partially adjust the nominal operating schedule based, in part, on an operating parameter 505 associated with the gas turbine. The operating parameter 505 may include, but is not limited to a rotor speed, a desired start-up time, or the like. A control system may receive data on the operating parameter 505 associated with the gas turbine. COPYRIGHT: (C)2011,JPO&INPIT