Compensation for parasitic resistance in battery monitoring
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United States of America Patent
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Aug 31, 2010
Grant Date -
Jan 24, 2008
app pub date -
Jul 5, 2007
filing date -
May 31, 2006
priority date (Note) -
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Abstract
A system for balancing charge between a plurality of storage battery cells within a storage battery. The battery balancing system may sense changes, possibly caused by environmental influences, in the overall resonant frequency of charge balancing circuits contained within the battery balancing system and compensate for the change in resonant frequency. Further, the system may correct battery cell voltages monitored by a controller that may include errors due to intrinsic circuit problems, such as parasitic voltage, to reflect an actual voltage of a battery cell.
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