Electric vehicle propulsion control device and railway vehicle system
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United States of America Patent
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Jan 5, 2016
Grant Date -
May 9, 2013
app pub date -
Apr 21, 2011
filing date -
Jul 30, 2010
priority date (Note) -
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Abstract
An electric vehicle propulsion control device having a power storage device includes: a first switch configured to perform opening and closing of a circuit between an overhead wire and a power converting unit; a second switch configured to perform opening and closing of a circuit between the power converting unit and a motor; a switching unit configured to select a terminal on a side of the power converting unit to which the first switch is connected or a terminal on a side of the power converting unit to which the second switch is connected and connect the terminal to the power storage device; and a control unit configured to control the power converting unit, the first switch, the second switch, and the switching unit to switch a connection destination of the power converting unit and cause the power converting unit to operate as an inverter or a DC/DC converter.
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