[AT] Generator--doing funny things

Fri Jun 16 19:47:09 PDT 2006

So your saying that most of todays engineers like things that are
silicone "enhanced"...

Steve Williams
Near Cooperstown, New York

----- Original Message ----- 
From: "Larry D. Goss" <rlgoss at evansville.net>
To: "'Antique tractor email discussion group'"
<at at lists.antique-tractor.com>
Sent: Friday, June 16, 2006 9:27 PM
Subject: RE: [AT] Generator--doing funny things

> This is more talk about EE machinery than I've seen in better than 20
> years.  The next thing you know somebody will start talking about
shaded
> poles, hysteresis, and all that other jazz.  In some respects it's
very
> refreshing to know that there are still some engineers out there who
can
> work with things that not controlled with silicon chips.
>
> Larry
>
> -----Original Message-----
> From: at-bounces at lists.antique-tractor.com
> [mailto:at-bounces at lists.antique-tractor.com] On Behalf Of Thomas O.
> Mehrkam
> Sent: Friday, June 16, 2006 7:56 PM
> To: Antique tractor email discussion group
> Subject: Re: [AT] Generator--doing funny things
>
> I think you are saying the same thing he is.
>
> Clock motors have little load and are designed so there is no
slippage.
>
> Motors have some slippage and run at a slightly slower speed.
>
>  From another EE. This group is infested with then. :-}
>
> charlie hill wrote:
> > Will,  I guess I'm stupid to be arguing with an EE but I thought the
> RPM
> > of electric generators was to control the frequency.  Most stuff
runs
> at
> > 60 HZ. 3600 rpm / 60 sec/min corresponds to 60 Hz in the case of a 2
> > pole generator.  Other wise our old style clocks wouldn't be right
and
>
> > our TV pictures would  look funny.   Am I wrong about that?
> >
> > Charlie
> >
> > ----- Original Message ----- From: <Bustedtractor at aol.com>
> > To: <at at lists.antique-tractor.com>
> > Sent: Friday, June 16, 2006 6:19 PM
> > Subject: Re: [AT] Generator--doing funny things
> >
> >
> >> The RPMs for a generator will usually be either 3600 or 1800. A
> 2-pole
> >> generator operates at 3600 RPMs, while a 4-pole generator will run
at
>
> >> 1800 RPMs.
> >> There is the possibility of a 6-pole unit in which case the RPMs
> would be
> >> 1200. These RPM numbers are governed by the laws of physics and
also
> >> represent
> >> the nominal speeds that a electric motors will run at. The actual
> >> operating
> >> speeds for motors are slightly less due to slip. Electric motors
> >> typically run
> >> at 3450, 1725, and 1150 RPMs based on their design and
construction.
> >>
> >> I just retired from electrical engineering 2 weeks ago and now I
have
> a
> >> number of tractors that are begging for my full-time attention.
> >>
> >> Will in MN
> >>
> >> -------------------------------1150496391
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> >>
> >> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
> >> <HTML><HEAD>
> >> <META http-equiv=3DContent-Type content=3D"text/html;
> >> charset=3DUS-ASCII">
> >> <META content=3D"MSHTML 6.00.2900.2912" name=3DGENERATOR></HEAD>
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> >> <DIV>The RPMs for a generator will usually be either 3600 or
> >> 1800. A 2-=
> >> pole=20
> >> generator operates at 3600 RPMs, while a 4-pole generator will
> >> run at 1=
> >> 800=20
> >> RPMs. There is the possibility of a 6-pole unit in which case the
> RPMs
> >> would=
> >> be=20
> >> 1200. These RPM numbers are governed by the laws of physics
and
> >> also=20
> >> represent the nominal speeds that a electric motors will run at.
The
> >> actual=20
> >> operating speeds for motors are slightly less due to slip. Electric
> >> motors=20
> >> typically run at 3450, 1725, and 1150 RPMs based on their design
> and=20
> >> construction.</DIV>
> >> <DIV> </DIV>
> >> <DIV>I just retired from electrical engineering 2 weeks ago
and
> >> now I h=
> >> ave=20
> >> a number of tractors that are begging for my full-time
> attention.</DIV>
> >> <DIV> </DIV>
> >> <DIV>Will in MN</DIV></FONT></BODY></HTML>
> >> _______________________________________________
> >> AT mailing list
> >> Remembering Our Friend Cecil Monson 11-4-2005
> >> http://www.antique-tractor.com/mailman/listinfo/at
> >>
> >>
> >> -- 
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> >>
> >>
> >
> >
> > _______________________________________________
> > AT mailing list
> > Remembering Our Friend Cecil Monson 11-4-2005
> > http://www.antique-tractor.com/mailman/listinfo/at
> >
>
>
> _______________________________________________
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