Power generation control apparatus for vehicle

Details Power generation control apparatus for vehicle Power generation control apparatus for vehicle

2008-07-01

2008-07-01

Ponomarenko, Nicholas (Department: 2834)

Electricity: single generator systems

Automatic control of generator or driving means

Electrical conditions in circuit other than that of...

C322S027000, C322S028000

Reexamination Certificate

active

11528656

ABSTRACT:
A vehicle power generation control apparatus has a power supply circuit, a rotation detecting circuit, an exciting current detecting circuit, a torque detecting/maximum exciting current determining circuit, and an exciting current control circuit. The rotation detecting circuit detects a rotation speed of a generator (or vehicle alternator) and the exciting current detecting circuit detects an exciting current flowing through an exciting winding of the generator. The torque detecting/maximum exciting current determining circuit calculates a power generation torque of the generator based on the output voltage, the exciting current, the rotation speed, and calculates an inertia torque of the generator based on a change rate of the rotation speed. The exciting current control circuit suppresses the exciting current flowing through the exciting winding so that a change rate of a total sum of the generation torque and the inertia torque does not exceed a predetermined value, for example, during the idling condition.

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