Method and apparatus for controlling converter in full cell vehicle
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United States of America Patent
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Apr 19, 2016
Grant Date -
Jun 19, 2014
app pub date -
Dec 3, 2013
filing date -
Dec 18, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A method and apparatus for controlling a converter of a fuel cell vehicle that uses a power control value generated based on an inverter DC terminal voltage as a reference value, and generates a current reference signal based on the reference value is provided. More specifically, the method and apparatus output a final reference signal that generates a pulse width modulation (PWM) signal by compensating for the current reference signal based on output terminal current of the converter. A peak value is then increased by amplifying a triangular wave signal, and the amplified triangular wave signal and the compensated final reference signal according to the current reference signal change rate are compared. A PWM signal having a predetermined duty ratio is then generated to control the converter.
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