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System and method for cell balancing of battery pack

  • US 9,067,505 B2
  • Filed: 12/16/2013
  • Issued: 06/30/2015
  • Est. Priority Date: 05/03/2013
  • Status: Active Grant
First Claim
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1. A method of cell balancing of a battery pack, using a cell balancing device of a battery pack, the method comprising:

  • detecting, by a controller, an inter-cell voltage deviation in the battery pack;

    determining, by the controller, whether to perform cell balancing on the battery pack by comparing a magnitude of a control signal to a predetermined limit;

    inactivating, by the controller, a relay connected with the battery pack; and

    performing, by the controller, cell balancing in the battery pack.

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