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Method for state of charge compensation of a battery and method for charging a battery

  • US 9,577,444 B2
  • Filed: 09/18/2014
  • Issued: 02/21/2017
  • Est. Priority Date: 09/23/2013
  • Status: Active Grant
First Claim
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1. A method for state of charge compensation of a battery having a plurality of battery units, the method comprising:

  • calculating, with a depth of discharge unit operatively connected to each battery unit, a depth of discharge of each battery unit after the plurality of battery units has been charged;

    calculating, with an available charge unit operatively connected to each battery unit, an available charge of each battery unit before the plurality of battery units is charged;

    calculating, with a state of charge unit operatively connected to the depth of discharge unit and the available charge unit, a state of charge compensation requirement value based on the calculated depth of discharge and the calculated available charge of each battery unit; and

    discharging, with a discharge unit operatively connected to each battery unit, each battery unit based on the calculated state of charge compensation requirement value.

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