On-line battery impedance measurement
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United States of America Patent
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Jan 25, 1994
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N/A
app pub date -
Aug 21, 1992
filing date -
Aug 21, 1992
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Abstract
Impedance measurement of battery cells within a battery system comprising at least one string of battery cells is accomplished by dividing each of the strings into at least two portions. A loading current for measurement purposes is only imposed on a portion of one of the strings at any given time and battery cell voltage measurements are made only within this string portion.
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