CAD CAM EDM DRO - Yahoo Group Archive

Re: Phase converter

Posted by Darrell
on 2000-02-25 23:05:36 UTC
Yes it does. It also has no problem reversing when running at its fastest
speed when it is the only thing running. All you hear is a little motor load
noise from the converter when I hit reverse.
Darrell

----- Original Message -----
From: Steve Carlisle <quatsein@...>
To: <CAD_CAM_EDM_DRO@onelist.com>
Sent: Friday, February 25, 2000 10:33 PM
Subject: Re: [CAD_CAM_EDM_DRO] Phase converter


> From: "Steve Carlisle" <quatsein@...>
>
> Well the convertor sounds like it works good. I wonder if it
> will power up the lathe first, without first starting up three other
> machines ?
>
> Steve
>
> ----------
> From: Darrell <dgehlsen@...>
> To: CAD_CAM_EDM_DRO@onelist.com
> Subject: Re: [CAD_CAM_EDM_DRO] Phase converter
> Date: Friday, February 25, 2000 8:07 PM
>
> From: "Darrell" <dgehlsen@...>
>
> I have no problem reversing my lathe at any speed. I had to power up
> everything in the shop to trip the breaker. It's only a 30 amp breaker.
> Darrell
>
> ----- Original Message -----
> From: Steve Carlisle <quatsein@...>
> To: <CAD_CAM_EDM_DRO@onelist.com>
> Sent: Friday, February 25, 2000 6:23 PM
> Subject: Re: [CAD_CAM_EDM_DRO] Phase converter
>
>
> > From: "Steve Carlisle" <quatsein@...>
> >
> > For comparison, I have a 10hp idler, with the auto-start
> > feature, and it runs a 5hp lathe and a 5hp[ mill both at
> > the same time. The real test for a convertor is the
> > forward to reverse, but in the lathes highest speed, with
> > no other machines running, as the running machines act
> > as supplement power conditioning. My convertor is off
> > a 60amp breaker, and draws about 1.5 amps at idle.
> >
> > Steve
> >
> > ----------
> > From: Darrell <dgehlsen@...>
> > To: CAD_CAM_EDM_DRO@onelist.com
> > Subject: [CAD_CAM_EDM_DRO] Phase converter
> > Date: Friday, February 25, 2000 4:24 PM
> >
> > From: "Darrell" <dgehlsen@...>
> >
> > Well I just did a little experimenting with my phase converter.
> > I have a 5 hp 3400 rpm idler motor with 100 mfd run capacitors and 100
> mfd
> > additional for starting. My shop is powered through a 90 amp breaker and
> my
> > phase converter is off of a 30 amp breaker under that.
> > I started my three Bridgeport mill spindles (three 2 hp motors) and my 5
> hp
> > YAM 14 inch lathe. So far so good, I have 11 hp of machine and 5 hp of
> > converter running with no problem. Next I reversed the spindle motor on
> the
> > lathe with out first stopping it. That is what it took to pop the 30 amp
> > breaker on the phase converter.
> > All of this without dimming the lights. I am using 8 gage wire from the
> > breaker to the phase converter and 10 gage to each of the machines. It
> > looks
> > like all I need is a little bit bigger breaker on the phase converter.
> > Darrell
> >
> >
> >
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>
> Welcome to CAD_CAM_EDM_DRO@...,an unmoderated list for the
> discussion of shop built systems in the above catagories.
> To Unsubscribe, read archives, change to or from digest.
> Go to: http://www.onelist.com/isregistered.cgi
> Log on, and you will go to Member Center, and you can make changes there.
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>
> Welcome to CAD_CAM_EDM_DRO@...,an unmoderated list for the
discussion of shop built systems in the above catagories.
> To Unsubscribe, read archives, change to or from digest.
> Go to: http://www.onelist.com/isregistered.cgi
> Log on, and you will go to Member Center, and you can make changes there.
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> List Manager
>
>

Discussion Thread

Darrell 2000-02-25 16:24:00 UTC Phase converter Steve Carlisle 2000-02-25 18:23:55 UTC Re: Phase converter Darrell 2000-02-25 20:07:13 UTC Re: Phase converter Steve Carlisle 2000-02-25 22:33:46 UTC Re: Phase converter Darrell 2000-02-25 23:05:36 UTC Re: Phase converter Tom 2001-10-18 14:13:13 UTC Phase converter kevin staddon 2002-03-28 10:15:32 UTC Re: Phase converter