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RE: Generators

To: "'Drew Mutch'" <dmutch@mit.edu>, JAMES_S_WALLACE@HP-Canada-om1.om.hp.com
Subject: RE: Generators
From: Chris Meier <ChrisM@pptvision.com>
Date: Thu, 5 Feb 1998 09:52:04 -0600
I know someone who has 4 motor-generators.  Each
consisting of a 15 HP 220/440vac 60 Hz 3 phase motor,
directly coupled to a 240v DC motor with interpoles and
shunt and series fields.  If anyone is interested in one
of these contact Lee Hart  at XURQ03A@prodigy.com.
He is located in Minnesota.


> -----Original Message-----
> From: Drew Mutch [SMTP:dmutch@mit.edu]
> Sent: Thursday, February 05, 1998 9:23 AM
> To:   JAMES_S_WALLACE@HP-Canada-om1.om.hp.com
> Cc:   shop-talk@autox.team.net
> Subject:      Re: Generators 
> 
> 
> >     generator section, which you can buy separately. The trick is
> that you 
> >     have to have the motor run at the right speed, to provide the
> right 
> >     voltage out of the generator. (Not hard, just measure the
> voltage and 
> >     vary the throttle till it's at 120.)
> 
> 
> it's trickier than that - if you are talking about an AC generator to 
> provide house power, you need to control generator speed (by governing
> engine speed) precisely to maintain the frequency at 60 Hz.  
> 
> If you're just running lights, frequency doesn't really matter, if
> you want to operate anything with a motor, (other than AC/DC motors
> such as simple drills and the like) frequency becomes more important.
> 
> 
> Regards,
> Drew Mutch
> 
> 87 VW cabriolet
> 83 VW cabriolet (now a parts car - anybody want some?)
> 66 Chevy C-10 (I wish I had it here in Boston)

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