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Energy storage system state of charge diagnostic

  • US 20050189918A1
  • Filed: 02/14/2004
  • Published: 09/01/2005
  • Est. Priority Date: 02/14/2004
  • Status: Active Grant
First Claim
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1. Method for diagnosing a critical state of charge condition of an energy storage system, comprising:

  • obtaining power flow and state of charge for the energy storage system;

    determining if the combination of power flow and state of charge meet predetermined criteria;

    if the predetermined criteria are met, indicating a critical state of charge condition if the state of charge is outside of a predetermined region of state of charge for a predetermined duration.

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