On-line judgment method for capacity of backup storage battery
A storage battery and judgment method technology, applied in the direction of measuring electrical variables, measuring electricity, measuring devices, etc., can solve problems such as waste of energy, detachment of battery packs, non-recyclable utilization, etc., to improve timeliness, ensure timeliness, and avoid consumption Effect
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[0017] Example 1:
[0018] The online judgment method of the battery capacity of the backup battery includes: the corresponding relationship between the internal resistance of the battery and the capacity of the battery obtained through actual measurement, and the internal resistance of the battery obtained according to the capacity of the battery from the corresponding relationship is set to R 1 , The internal resistance of the actual measurement battery is set to R 2 ,Calculate the internal resistance reference value R according to the following formula 0 : R 0 =ωR 1 +(1-ω)R 2 , Where ω is the weighting coefficient, which can be checked by the graph obtained from actual measurement, and the current internal resistance of the battery is determined to be R i , Then ΔR%=(R i -R 0 ) / R 0 , According to the corresponding relationship measured by the actual value of ΔR% image 3 Then the current capacity range of the battery can be determined.
[0019] With the operation of the battery, ...
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