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Power supply unit for motor vehicle, has alternating current generator provided with field coil, and field controller assigned to field coil, where field current of field coil is influenced by controller in accordance with control device
Power supply unit for motor vehicle, has alternating current generator provided with field coil, and field controller assigned to field coil, where field current of field coil is influenced by controller in accordance with control device
The unit (100) has an alternating current generator (10) provided with a field coil (12), and a field controller (15) assigned to the field coil. A synchronous rectifier (20) is provided with rectifier elements (21) i.e. MOSFETs, and a control device (25) is assigned to one of the rectifier elements. Field current of the field coil is influenced by the field controller in accordance with the control device. A phase signal input (19), a phase signal output (29) and a phase signal channel (30) are provided between the control device and the controller. An independent claim is also included for a method for operating a power supply unit.
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