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Posts Tagged: AC ripple

Alternator AC ripple test

How much Alternator AC ripple is too much? What is Alternator AC ripple? Modern generators actually produce AC voltage that’s converted into DC voltage using diode rectifiers. A diode rectifier, in simple terms, is a one-way valve that allows AC current to flow only one way (it’s more complicated, but let’s go with this explanation). The rectifier “bridge” contains 3-8 diodes that allow only the negative portion of the AC sine way to pass to ground. Even when working properly, the rectifier bridge passes a small amount of AC current … Read More


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