Vehicle-use power supply control apparatus

Details Vehicle-use power supply control apparatus Vehicle-use power supply control apparatus

2011-01-18

2011-01-18

Patel, T. C. (Department: 2839)

Prime-mover dynamo plants

Electric control

Engine control

C322S022000, C320S118000, C320S132000, C307S010100, C318S139000, C123S179300

Reexamination Certificate

active

07872362

ABSTRACT:
The vehicle-use power supply control apparatus includes a first battery supplying electric power to a load, an alternator driven by a vehicle engine, a second electric accumulator parallel-connected to the first battery, an electric power converter performing two-way power transmission between the first and second batteries, and a power supply control unit. The power supply control includes a function of setting a target power generation efficiency index, a function of setting a target power generation amount of the alternator on the basis of the target power generation efficiency index, while referring to a map defining relationship between a power generation efficiency index and a power generation amount of the alternator, and a function of controlling an amount and a transmission direction of transmission power of the electric power converter in order that an amount of electric power generated by the alternator becomes equal to the target power generation amount.

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