Re: [CAD_CAM_EDM_DRO] Re: wire in parallel or series

well, that's what I thought, but you never know, at 300+ipm every little bit
helps..:)

Erie Patsellis
Shelbyville Design & Signworks
1309 W. S. 7th Street
Shelbyville, IL 62565
(217)774-4444
visit our website at www.shelbyvilledesign.com

----- Original Message -----
From: "mariss92705" <mariss92705@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Thursday, September 05, 2002 1:03 PM
Subject: [CAD_CAM_EDM_DRO] Re: wire in parallel or series


> Erie,
>
> There really is no reason to do that. The performance "hit" on half-
> winding vs. parallel is less than 2%. This is a near meaningless
> difference because it will be washed out or buried by other effects
> such as line voltage fluctuation.
>
> The nice thing about 6-wire motors is their no-brainer connection to
> a drive. Only one wire per phase as opposed to 2 for parallel and all
> it takes is an ohmmeter to tell half-winding apart from full winding
> when you have to puzzle-out a mystery motor. Witness the problems
> trying to do that with a mystery 8-wire motor.
>
> Mariss
>
>
> --- In CAD_CAM_EDM_DRO@y..., "Shelbyville Design & Signworks"
> <signworks@m...> wrote:
> > jon,
> > is it enough of a difference for an enterprising person to bring
> out the
> > additional
> > 2 wires on my 6 wire NEMA 34 triple stack motors?
> >
> > Erie Patsellis
> > Shelbyville Design & Signworks
> > 1309 W. S. 7th Street
> > Shelbyville, IL 62565
> > (217)774-4444
> > visit our website at www.shelbyvilledesign.com
> > ----- Original Message -----
> > From: "Jon Elson" <elson@p...>
> > To: <CAD_CAM_EDM_DRO@y...>
> > Sent: Thursday, September 05, 2002 12:16 PM
> > Subject: Re: [CAD_CAM_EDM_DRO] wire in parallel or series
> >
> >
> > > mszollar wrote:
> > >
> > > > I can wire my motors (8 wire) in series or in parallel. The only
> > > > difference I can see is that parallel is 2x the current of
> series.
> > > > The specs look like the torque is the same.
> > > >
> > > > Any benefits of 1 wwiring scheme over the other?
> > >
> > > HOLDING torque will be approximately the same. BUT, the running
> torque
> > > at significant speed will be much higher, as the inductance will
> be lower.
> > > This allows the same power supply voltage to charge the windings
> up to
> > > rated current much quicker. hence, you get full torque up to a
> much
> > higher
> > > speed, roughly about two times.
> > >
> > > Jon
> > >
> > >
> > > Addresses:
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> > >
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> > >
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> Addresses:
> FAQ: http://www.ktmarketing.com/faq.html
> FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
>
> OFF Topic POSTS: General Machining
> If you wish to post on unlimited OT subjects goto:
aol://5863:126/rec.crafts.metalworking or go thru Google.com to reach it if
you have trouble.
> http://www.metalworking.com/news_servers.html
>
> http://groups.yahoo.com/group/jobshophomeshop I consider this as a
sister site to the CCED group, as many of the same members are there, for OT
subjects, that are not allowed on the CCED list.
>
> NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY POSTING THEM.
DON'T POST IF YOU CAN NOT ACCEPT THIS.....NO EXCEPTIONS........
>
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