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Electric charging system

  • US 8,796,991 B2
  • Filed: 03/22/2012
  • Issued: 08/05/2014
  • Est. Priority Date: 03/31/2011
  • Status: Active Grant
First Claim
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1. As electric charging system that connects an electric charger and an electric vehicle via a charging cable and charges an electric storage device mounted on the electric vehicle, the electric charging system comprising:

  • a supply-side processing unit for calculating supply-side processed data by applying a predetermined filtering process to a supply voltage, a supply current or a supply power in the electric charger;

    a receiving-side processing unit for calculating receiving-side processed data by applying a predetermined filtering process to a receiving voltage, a receiving current or a receiving power in the electric vehicle;

    a feature point assigning unit for assigning a feature point to the supply-side processed data and the receiving-side processed data by altering at least any one of the supply voltage, the supply current, the receiving voltage and the receiving current;

    a data synchronizing unit for synchronizing the supply-side processed data and the receiving-side processed data based on the feature point of the supply side processed data and the receiving-side processed data; and

    a determination unit for determining whether or not a conduction state between the electric charger and the electric vehicle is normal.

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