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Method and arrangement for error detection during charging of an energy storage system

  • US 9,656,568 B2
  • Filed: 04/15/2013
  • Issued: 05/23/2017
  • Est. Priority Date: 04/15/2013
  • Status: Active Grant
First Claim
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1. A method for error detection during charging of an energy storage system in a vehicle, the vehicle comprising an electric machine which is arranged for propulsion of the vehicle, the method comprising:

  • requesting a charging pattern from an external power supply, by means of a vehicle control unit, upon connection of the energy storage system to the external power supply;

    supplying the charging pattern to the energy storage system by means of an external charging unit forming part of the external power supply;

    providing a predetermined modulation of the requested charging pattern;

    evaluating whether the charging pattern supplied to the energy storage system comprises the predetermined modulation; and

    ,indicating that the charging of the energy storage system is erroneous when the charging pattern does not comprise the predetermined modulation.

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