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Vehicle interface with non-local return to ground

  • US 9,248,748 B2
  • Filed: 02/14/2012
  • Issued: 02/02/2016
  • Est. Priority Date: 01/06/2012
  • Status: Active Grant
First Claim
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1. A vehicle charging system comprising:

  • a reference circuit configured to receive a control pilot signal output from an Electronic Vehicle Supply Equipment (EVSE) system, the reference circuit processing the control pilot signal to generate reference signals;

    a shunt configured to connect the reference circuit in series with a vehicle chassis ground; and

    a charger controller configured to output a control signal to a charger power plant that facilitates controlling a charging of a high voltage battery based on the control signal, the charge controller including a compensation device and being configured to generate the control signal in response to the compensation device processing the reference signal and the compensation device being configured to compensate for noise within the reference signal resulting from the reference circuit being connected in series with the shunt.

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