Integrated bi-directional converter for plug-in hybrid electric vehicles
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United States of America Patent
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Feb 15, 2011
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app pub date -
Oct 19, 2007
filing date -
Oct 19, 2007
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Abstract
This invention relates to a power module for a plug-in hybrid electric vehicle including an integrated converter having a rectifier changing AC to DC, a DC/DC converter changing from a first voltage to a second voltage, and a battery storing electrical energy. The integrated converter operates in three modes 1) AC plug-in charging mode, 2) boost mode supplying power from the battery to the electrical bus and 3) buck mode supplying power from the electrical bus to the battery. The integrated converter utilizes the same single inductor during each of the three operating modes to reduce cost and weight of the system.
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