POWER SOURCE SYSTEM OF FUEL CELL VEHICLE

Japanese Patent JP2018067459

A

PROBLEM TO BE SOLVED: To suppress an inrush current when closing a system main relay.SOLUTION: A power source system 2 of a fuel cell vehicle 100 comprises a main battery 3, a fuel cell 7, a DC converter 10, and an inverter 6. The DC converter 10 includes a filter capacitor 14. The power source system further comprises: a smoothing capacitor 5 connected between the DC converter 10 and the inverter 6; and a controller 9. The controller turns on a transistor 16a, and operates the fuel cell 7 and a voltage converter 8 for FC, and pre-charges the filter capacitor 14 and the smoothing capacitor 5, before closing a system main relay 4. The controller closes the system main relay 4 when the difference between a voltage across both terminals of the filter capacitor 14 and an output voltage of the main battery 3 decreases to below a predetermined voltage difference threshold.SELECTED DRAWING: Figure 1

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NOZAWA TAKASHI

JP2016205370A

April 26, 2018

October 19, 2016

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TOYOTA MOTOR CORP

H01M8/04858; B60L3/00; B60L11/18; H01M8/00

JP2004234907A	2004-08-19
JP2003203663A	2003-07-18
JP2004171869A	2004-06-17
JP2014057389A	2014-03-27
JP2009224036A	2009-10-01
JP2008278732A	2008-11-13
JP2008084628A	2008-04-10
JP2011010508A	2011-01-13

Kaiyu International Patent Office

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