Stack voltage control for recovery mode using boost converter
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Sep 4, 2018
Grant Date -
Feb 1, 2018
app pub date -
Jul 27, 2016
filing date -
Jul 27, 2016
priority date (Note) -
In Force
status (Latency Note)
Importance
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US Family Size
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Non-US Coverage
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Abstract
A fuel cell voltage recovery system includes a fuel cell stack having a fuel cell stack voltage between fuel cell stack terminals which is at a first voltage during normal fuel cell operation. The system also includes a high voltage electrical system operating at a first DC operating voltage that is generally higher than the first voltage of the fuel cell stack. A boost converter in electrical connection with the fuel cell stack and the high voltage electrical system operates in a normal control mode to transfer electrical power from the fuel cell stack to the high voltage electrical system through regulation and control of average stack output current (boost input current) during normal fuel cell operation. The boost converter can also operate in a voltage control mode to lower the fuel cell stack voltage to a second voltage that is lower than the first voltage. A FCS controller controls the operation of the boost converter.
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International Classification(s)
- 2016 Application Filing Year
- H01M Class
- 5833 Applications Filed
- 4455 Patents Issued To-Date
- 76.38 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- H01M Class
- 0 % this patent is cited more than
- 7 Age
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