Quote:
Originally Posted by Piwoslaw
"Programmed battery charging" in this case means that the alternator's field is disabled by the car's computer when the battery is charged, reducing engine load. The field is powered up when engine braking, or when the battery's voltage drops.
This is becoming common (Škoda, BMW, and many more), not only in "green" models.
It's pretty much an alternator kill switch, which hypermilers/ecomodders have been using for years, only automated so the driver doesn't worry about it.
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OK that's what I thought exactly now where/how could I find more info on it? In a DIY fashion? Hey now something hit me, why not have an AC clutch like setup??
That'd be nice thereby not even spinning the alternator when not needed, I presume what you explained happens at the "other end" of the alternator meaning it would still spin just not have any "load" right?