Power converter for fuel cell and method for controlling the same
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United States of America Patent
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Oct 10, 2017
Grant Date -
Jan 7, 2016
app pub date -
Aug 14, 2014
filing date -
Nov 14, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A power converter for a fuel cell is provided. The power converter includes a boost converter connected to the fuel cell and configured to control a load voltage at a predetermined magnitude in a normal operation mode and to induce an output response by applying a predetermined perturbation current to the fuel cell in a diagnosis mode, and a digital signal processor configured to extract an impedance parameter by detecting the output response of the fuel cell in the diagnosis mode, and predict a lifespan of the fuel cell according to the impedance parameter. The normal operation mode is configured to supply a voltage in response to a change of a load and the diagnosis mode is configured to predict the lifespan of the fuel cell.
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