METHOD OF MITIGATING UNDESIRED GAS TURBINE TRANSIENT RESPONSE USING EVENT BASED ACTION

PROBLEM TO BE SOLVED: To provide a method of managing transient events regularly seen during gas turbine operation that may cause undesirable operation and hardware damage. SOLUTION: During certain transient operations, a lag may be seen between reference exhaust temperature and actual turbine exhau...

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Hauptverfasser:	DEAN DOUGLAS E, MEADOWS CHRISTOPHER T, SIMONS DERRICK W, FULLER JASON D
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 managing transient events regularly seen during gas turbine operation that may cause undesirable operation and hardware damage. SOLUTION: During certain transient operations, a lag may be seen between reference exhaust temperature and actual turbine exhaust temperature. This lag can result in an under-fired condition within a combustion system of variable magnitude and duration. Either fuel split schedules or a control algorithm can be positioned during these transients to prevent combustion dynamics or loss of flame. Combustion dynamics are known to cause damage that may require hardware replacement. Once the transient has completed, normal control operation is resumed. COPYRIGHT: (C)2009,JPO&INPIT