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Method and apparatus for detecting abnormality in battery pack system

  • US 20030087147A1
  • Filed: 11/01/2002
  • Published: 05/08/2003
  • Est. Priority Date: 11/06/2001
  • Status: Active Grant
First Claim
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1. A method for detecting an abnormality in a battery pack system, the battery pack system being composed of a plurality of battery pack blocks connected with one another by a combination of serial connection and parallel connection, each of the battery pack blocks being constituted by connecting a plurality of cells in series, the method comprising:

  • detecting a current value of each of the battery pack blocks; and

    detecting an abnormality occurring in the battery pack block based on a detected current value, by using an algorithm constructed in accordance with a connection status of the battery pack blocks.

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