A method of operating an alternator 120 of a motor vehicle includes the steps of monitoring an amount of stored electrical energy available to operate the vehicle, estimating a vehicle electrical load, and regulating an output of the alternator 120 based a...

The present invention provides an electrical power supply system for an automotive vehicle with high reliability and small size in which an adequate power is supplied to both a high power load like a blower motor and a conventional load like a battery by u...

The arrangement has a generator (10) with a controllable charging voltage, a generator controller for computing the charging voltage and at least one control device for supplying the generator with current that contains a voltage detector. The supply volta...

The automobile power source monitor is provided with: a breaker 11 mounted in the feeding path through which the electric power from the battery 1 is fed to the electric devices through the feed sockets A1 - Am provided in the car; an engine stop detecting...