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Battery system management through non-linear estimation of battery state of charge

Patent ·
OSTI ID:1860050
; ; ; ; ;
Systems, methods, and computer media for battery system management and non-linear estimation of battery state of charge are provided herein. Battery data is received for a time period over which a battery system has operated. The battery data represents the actual performance of the battery system over the time period. Sub-periods of charging or discharging can be identified in the time period. For the sub-periods of time, a curve can be fit to the battery data. Using the curves for the battery data for the sub-periods of time, an expected performance of the battery system, over a range of states-of-charge, can be determined. Operating instructions for the battery system can be provided based on the expected performance.
Research Organization:
Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC05-76RL01830
Assignee:
Battelle Memorial Institute (Richland, WA)
Patent Number(s):
11,169,214
Application Number:
16/714,500
OSTI ID:
1860050
Country of Publication:
United States
Language:
English

References (9)

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An energy storage assessment: Using optimal control strategies to capture multiple services conference July 2015
Economic analysis and optimal sizing for behind-the-meter battery storage conference July 2016
An evaluation of the NaS battery storage potential for providing regulation service in California conference March 2011
Energy Storage for Relief of Transmission Congestion journal March 2014
Control and Size Energy Storage Systems for Managing Energy Imbalance of Variable Generation Resources journal January 2015
Electrical Energy Storage for the Grid: A Battery of Choices journal November 2011
Deployment of Behind-The-Meter Energy Storage for Demand Charge Reduction report January 2015

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