Power supply device and method of controlling the same

Details Power supply device and method of controlling the same Power supply device and method of controlling the same

2006-12-15

2009-10-27

Tso, Edward (Department: 2858)

Electrical transmission or interconnection systems

Vehicle mounted systems

Automobile

C320S127000, C361S023000, C361S033000

Reexamination Certificate

active

07608940

ABSTRACT:
A power supply device and a method for controlling the power supply device in which a fusion checking process for the cathode side relay and the anode side relay is easily performed within a short period of time. A battery ECU (controller) measures a first voltage between a high potential output terminal and an anode terminal of the rechargeable battery when a cathode side relay arranged between the high potential output terminal and a cathode terminal of the rechargeable battery and an anode side relay arranged between a low potential output terminal and the anode terminal of the rechargeable battery are open to determine whether or not a cathode side relay is fused. The battery ECU also measures a second voltage between the low potential output terminal and the cathode terminal of the rechargeable battery to determine whether or not the anode side relay is fused.

REFERENCES:
patent: 2006/0007622 (2006-01-01), Furukawa et al.
patent: 2000-134707 (2000-05-01), None

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