GAS TURBINE ENGINE MOTORING VARIABLE FREQUENCY GENERATOR SYSTEM FOR BOWED ROTOR ENGINE STARTS

An engine starting system for a gas turbine engine is provided. The engine starting system comprising: a gas turbine engine including rotational components comprising an engine compressor, an engine turbine, and a rotor shaft operably connecting the engine turbine to the engine compressor, wherein e...

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Bibliographische Detailangaben
Hauptverfasser:	Pech John T, Spierling Todd A
Format:	Patent
Sprache:	eng
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING COMBUSTION ENGINES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS ENGINE PLANTS IN GENERAL GAS-TURBINE PLANTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	An engine starting system for a gas turbine engine is provided. The engine starting system comprising: a gas turbine engine including rotational components comprising an engine compressor, an engine turbine, and a rotor shaft operably connecting the engine turbine to the engine compressor, wherein each rotational component is configured to rotate when any one of the rotational components is rotated; a variable frequency generator operably connected to at least one of the rotational components, the variable frequency generator being configured to rotate the rotational components; and a motor controller in electronic communication with the variable frequency generator, the motor controller being configured to command the variable frequency generator to rotate the rotational components at a selected angular velocity for a selected period of time.