Wireless power transfer electric vehicle supply equipment installation and validation tool
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United States of America Patent
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May 19, 2015
Grant Date -
Jan 24, 2013
app pub date -
Jun 19, 2012
filing date -
Jul 21, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A transmit pad inspection device includes a magnetic coupling device, which includes an inductive circuit that is configured to magnetically couple to a primary circuit of a charging device in a transmit pad through an alternating current (AC) magnetic field. The inductive circuit functions as a secondary circuit for a set of magnetically coupled coils. The magnetic coupling device further includes a rectification circuit, and includes a controllable load bank or is configured to be connected to an external controllable load back. The transmit pad inspection device is configured to determine the efficiency of power transfer under various coupling conditions. In addition, the transmit pad inspection device can be configured to measure residual magnetic field and the frequency of the input current, and to determine whether the charging device has been installed properly.
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