Method of synchronizing a turbomachine generator to an electrical grid

Methof of synchronizing a turbomachine generator to an electrical grid in order to match the generator (145) and grid (155) voltages before the powerplant machine (100) reaches the grid matching speed during the start-up process. A predictive algorithm (365) is provided, or the like, to control the...

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Bibliographische Detailangaben
Hauptverfasser:	Cunningham, John N, Maters, John C
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY ENGINE PLANTS IN GENERAL GENERATION HEATING INDEXING SCHEME FOR ASPECTS RELATING TONON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES ORJET-PROPULSION PLANTS INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUSSUBCLASSES OF CLASSES F01-F04 LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES STEAM ENGINES SYSTEMS FOR STORING ELECTRIC ENERGY WEAPONS
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Beschreibung
Zusammenfassung:	Methof of synchronizing a turbomachine generator to an electrical grid in order to match the generator (145) and grid (155) voltages before the powerplant machine (100) reaches the grid matching speed during the start-up process. A predictive algorithm (365) is provided, or the like, to control the acceleration rate of the powerplant machine (100) to target a particular phase angle differential between the powerplant machine (100) and the grid (155) when the powerplant machine (100) reaches the grid matching speed. The phase angle difference may be targeted such that a generator breaker may be closed immediately after the powerplant machine (100) accelerates beyond the grid matching speed. This may avoid the generator (145) experiencing a phase angle differential, which may add to the power transient associated with the generator breaker closure.