CAD CAM EDM DRO - Yahoo Group Archive

Re: wire in parallel or series

on 2002-09-05 16:04:54 UTC
really, I want to open up the 8 wire and make it a 6 !

Dave


--- In CAD_CAM_EDM_DRO@y..., "mariss92705" <mariss92705@y...> wrote:
> 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:
> > > 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.
> > >
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> > > bill,
> > > List Mom
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Discussion Thread

mszollar 2002-09-04 22:07:29 UTC wire in parallel or series alenz2002 2002-09-04 22:55:51 UTC Re: wire in parallel or series turbulatordude 2002-09-05 04:54:10 UTC GUIDE TO STEPPERS and wire in parallel or series AND 8 wire series connection Chuck Hackett 2002-09-05 09:47:28 UTC Bridgeport Series I 8-wire stepper (Sigma) current rating Jon Elson 2002-09-05 10:08:10 UTC Re: [CAD_CAM_EDM_DRO] wire in parallel or series Jon Elson 2002-09-05 10:28:11 UTC Re: [CAD_CAM_EDM_DRO] Bridgeport Series I 8-wire stepper (Sigma) current rating Shelbyville Design & Signworks 2002-09-05 10:37:53 UTC Re: [CAD_CAM_EDM_DRO] wire in parallel or series mariss92705 2002-09-05 11:03:35 UTC Re: wire in parallel or series Shelbyville Design & Signworks 2002-09-05 11:31:09 UTC Re: [CAD_CAM_EDM_DRO] Re: wire in parallel or series turbulatordude 2002-09-05 16:04:54 UTC Re: wire in parallel or series Jon Elson 2002-09-05 20:17:52 UTC Re: [CAD_CAM_EDM_DRO] wire in parallel or series turbulatordude 2002-09-06 05:38:12 UTC Re: wire in parallel or series Jon Elson 2002-09-06 10:17:11 UTC Re: [CAD_CAM_EDM_DRO] Re: wire in parallel or series Chuck Hackett 2002-09-06 16:00:03 UTC RE: [CAD_CAM_EDM_DRO] Bridgeport Series I 8-wire stepper (Sigma) current rating