<VV> More alternator comments
James Davis
jld at wk.net
Fri Apr 14 11:59:43 EDT 2006
I have used one wire alternators for 20 years and test run many
engines without any wires connected to the alternator. Even with
the 140 amp one wires, there is no problem. Just don't let anything
touch the output terminal. I cover it with a cap when working around
the engine.
Jim Davis
At 10:08 AM 4/14/2006, Padgett wrote:
>>Having been bitten by an alternator on a test stand with NOTHING CONNECTED
>>TO IT, tells me the residual magnetism in the rotor is not trivial.
>
>In a dry climate, static electricity can surprise you (Florida
>usually has enough humidity to take care of that). Not saying you
>cannot be surprised if you grab the output terminal of a spinning 10
>DN alternator with no wires connected just that I never have been
>and it would just be a surprise - no current behind it.
>
>Now if it was a "one wire" alternator with an internal regulator, I
>just don;t know - I never tried with one of those.
>
>>Padgett
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