METHOD AND SYSTEM FOR CONTROLLED SHUTDOWN OF WIND TURBINES

The present invention relates to a method for controlled shutdown of wind turbines. The method involves using a generator side converter, and optionally a DC chopper, as a generator load during controlled shutdown. In this way gearbox back-lashing and drive train oscillations can be avoided. The pre...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	DOAN, Duy Duc
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION HEATING LIGHTING MACHINES OR ENGINES FOR LIQUIDS MECHANICAL ENGINEERING OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR PRODUCING MECHANICAL POWER WEAPONS WIND MOTORS WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS
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Beschreibung
Zusammenfassung:	The present invention relates to a method for controlled shutdown of wind turbines. The method involves using a generator side converter, and optionally a DC chopper, as a generator load during controlled shutdown. In this way gearbox back-lashing and drive train oscillations can be avoided. The present invention also relates to a wind turbine capable of performing controlled shutdown in accordance with the before-mentioned method.