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Method and system for managing an electrical output of a turbogenerator

United States Patent

7,541,687
June 2, 2009
View the Complete Patent at the US Patent & Trademark Office
The system and method manages an electrical output of a turbogenerator in accordance with multiple modes. In a first mode, a direct current (DC) bus receives power from a turbogenerator output via a rectifier where turbogenerator revolutions per unit time (e.g., revolutions per minute (RPM)) or an electrical output level of a turbogenerator output meet or exceed a minimum threshold. In a second mode, if the turbogenerator revolutions per unit time or electrical output level of a turbogenerator output are less than the minimum threshold, the electric drive motor or a generator mechanically powered by the engine provides electrical energy to the direct current bus.
Stahlhut; Ronnie Dean (Bettendorf, IA), Vuk; Carl Thomas (Denver, IA)
Deere & Company (Moline, IL)
11/ 521,242
September 13, 2006
This invention was made with U.S. government support under Cooperative Agreement No. DE-FC26-05NT42422 awarded by the Department of Energy (DOE). The U.S. government has certain rights in this invention.