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BATTERY CONTROL

United States Patent Application

20150214757
A1
View the Complete Application at the US Patent & Trademark Office
Balancing and Control System for Operation of Multiple Cells and Packs in Large Energy Storage Arrays
For battery control, an apparatus includes a shared bus and a plurality of isolated direct current (DC) to DC bypass converters. Each bypass converter is associated with one battery unit. Inputs of each bypass converter are in parallel electrical communication with the associated battery unit. Outputs of each bypass converter are in parallel electrical communication with the shared bus. Each bypass converter estimates a battery state for each battery unit and controls the battery state to a reference state.
Zane, Regan (North Logan, UT), Evzelman, Michael (Logan, UT), Costinett, Daniel (Knoxville, TN), Maksimovic, Dragan (Boulder, CO), Anderson, Richard Dyche (Plymouth, MI), Smith, Kandler (Golden, CO), Trimboli, Michael Scott (Colorado Springs, CO), Plett, Gregory Loren (Colorado Springs, CO)
14/ 591,917
January 7, 2015
GOVERNMENT RIGHTS [0002] This invention was made with government support. The government has certain rights in the invention.