generators

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Article #1531

#1531

From: Chris M. Cavers
Date: Tue, 21 Jul 1992 20:59

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In looking over my car shop manual, the generator on my car is rated
as follows (leaving out the stuff about pulley ratios and polarity):

output   12v at 40amps
rated speed 5000rpm
operating speed 1000 - 13500rpm
Speed at which 14v is produced (at room temperature)  1000 or less rpm
Output current (hot)   2500rpm at 30amps or more
Operating condition  5000rpm at 40amps
Rotor coil resistance at 68 degrees f   3.9 ohms
Stator single coil resistance at 68 degrees f   0.10 ohms


My question is: Is there an easy way to determine the output characteristics
at various rpm (i.e. minimum rpm to produce 14v or 12v + how many
amps are produced at various rpms)?


Thanks in advance

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Path: arc1-ca.pugleaf.net!sparky!uunet!caen!zaphod.mps.ohio-state.edu!menudo.uh.edu!cavers
From: cavers@menudo.uh.edu (Chris M. Cavers)
Subject: generators
Message-ID: <1992Jul21.205954.10969@menudo.uh.edu>
Sender: cavers@menudo.uh.edu
Organization: University of Houston
Date: Tue, 21 Jul 1992 20:59:54 GMT
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