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Quote:
Originally Posted by marc hildebrant
Joe K,
Actually, the third brush regulates the amount of current only as the Model A generator is a constant current generator. Thus, for a constant current device, the voltage rises or falls to make the amount of current equal to what the third brush is set to.
The battery keeps the voltage to the proper value and the ammeter shows how much current is going into the batter.
Marc
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It takes a voltage higher than the battery cell voltage to put ampereage TO the battery. Just as a voltage lower than the battery cell voltage allows current to return to the generator were it not for the cutout.
In practicality, the voltage changes are relatively small and the battery acts as "electrical flywheel" taking on and giving out electrical energy as required.
I tink we both said the same thing but with a different focus.
Joe K