APPARATUS FOR CORRECTING A DC BIAS FOR LEAKAGE CURRENT
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United States of America Patent
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Issued Date -
Oct 4, 2012
app pub date -
Dec 19, 2011
filing date -
Mar 31, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An apparatus for correcting leakage current during a vehicle charging operation is provided. The apparatus comprises a balance circuit configured to receive a sensed current indicative of a vehicle leakage current in response to an external power source providing a charging current to a vehicle. The vehicle leakage current includes a first leakage component and a second leakage component. The balance circuit is further configured to generate a first voltage value that corresponds to a negative value of the first leakage component and to provide a second voltage value that generally corresponds to a positive value of the first leakage component. The balance circuit is further configured to apply the second voltage value to the first voltage value to substantially remove the first leakage component from the vehicle leakage current.
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