CAD CAM EDM DRO - Yahoo Group Archive

Re: U.S. 220 vs Euro 220

Posted by ballendo@y...
on 2001-05-21 18:17:47 UTC
Sven,

Exactly! The use of 60hz motors on 50 hz will likely burn them up.
Running 50 hz motors on 60 is ok. Best solution is 120/240; 50/60
motors for anything sold/used worldwide. Xfrmrs also should be 50hz
rated for usage in europe.

Hope this helps.

Ballendo

--- In CAD_CAM_EDM_DRO@y..., "Sven Peter, TAD S.A." <peteryco@r...>
wrote:
> Europe is dangerous for US machines!!!!!
> US is no problem for European machines!
>
> I looked meanwhile through some other posts on this thread.
> It seems like Europe is now changing over to 230 Volt 50 Herz.
> This might make changes better for you. But when I lived back
> in Germany we had 220V 50 Hz. One leg life and the other neutral
and the
> third true ground. This might give problems as it was mentioned with
> 120V users,
> which often are hidden inside the machine without mentioning in the
> manual.
>
> These two currents are definitely very different.
> In America we have 240 Volts and 60 Hertz frequency
> in Europe there is 220V and 50 Hertz.(Now or soon 230V)
> The 50 Hz motors are designed to have much more inertia than the 60
Hz
> ones. The rotors are much beefier in Europe.
> At least this is the case with threefase and normal singlefase
motors.
> How it is with DC and step motors I have no clue.
>
> The result is you can easily take a machine from Europe to America.
> Only the motors rise 20% in speed and loose 20% in torque.
> For contactors you frequently have to step up the voltage
> from 220V 20% up to 264 Volt. Otherwise they shatter.
> But if you take from America a machine to Europe you will
> burn it in a very short time,because the motors low inertia.
> In other words the gap between the sinus curve of voltage in 50 Hz
> is too long and the motor for 60 Hz does not come over this dead
point.
> If you want to take it with you, you probably need a inverter to
produce
> your own 60 Hz current.
> Hope this is a hint and saves you a loss.
> Good Luck
> Sven Peter
>
> blueveil@e... wrote:
>
> > Does anyone know if U.S. 220 is the same as European 220?
> > Could I take a 220 single phase cnc machine to Europe and use
> > it without any adapters?
> > Any knowledge on this subject would be greatly appreciated.
> >
> > Welcome to CAD_CAM_EDM_DRO@e...,an unmoderated list for the
discussion of shop built systems, for CAD, CAM, EDM, and DRO.
> >
> > Addresses:
> > Post message: CAD_CAM_EDM_DRO@y...
> > Subscribe: CAD_CAM_EDM_DRO-subscribe@y...
> > Unsubscribe: CAD_CAM_EDM_DRO-unsubscribe@y...
> > List owner: CAD_CAM_EDM_DRO-owner@y..., wanliker@a...
> > Moderator: jmelson@a... timg@k... [Moderator]
> > URL to this page: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO
> > bill,
> > List Manager
> >
> > FAQ: http://www.ktmarketing.com/faq.html
> >
> > Your use of Yahoo! Groups is subject to
http://docs.yahoo.com/info/terms/
>
>
> [Non-text portions of this message have been removed]

Discussion Thread

blueveil@e... 2001-05-16 10:14:17 UTC U.S. 220 vs Euro 220 wanliker@a... 2001-05-16 10:59:37 UTC Re: [CAD_CAM_EDM_DRO] U.S. 220 vs Euro 220 Carol & Jerry Jankura 2001-05-16 13:01:23 UTC RE: [CAD_CAM_EDM_DRO] U.S. 220 vs Euro 220 stevesng@n... 2001-05-16 16:32:42 UTC Re: U.S. 220 vs Euro 220 JanRwl@A... 2001-05-16 17:27:06 UTC Re: [CAD_CAM_EDM_DRO] U.S. 220 vs Euro 220 A. G. Eckstein 2001-05-16 17:45:07 UTC Re: [CAD_CAM_EDM_DRO] U.S. 220 vs Euro 220 info.host@b... 2001-05-17 05:08:15 UTC Re: [CAD_CAM_EDM_DRO] U.S. 220 vs Euro 220 machines@n... 2001-05-17 05:36:32 UTC Re: U.S. 220 vs Euro 220 info.host@b... 2001-05-17 11:56:44 UTC Re: [CAD_CAM_EDM_DRO] Re: U.S. 220 vs Euro 220 Sven Peter, TAD S.A. 2001-05-17 12:10:22 UTC Re: [CAD_CAM_EDM_DRO] U.S. 220 vs Euro 220 blueveil@e... 2001-05-17 12:18:10 UTC Re: U.S. 220 vs Euro 220 Carol & Jerry Jankura 2001-05-17 13:03:59 UTC RE: [CAD_CAM_EDM_DRO] U.S. 220 vs Euro 220 Sven Peter, TAD S.A. 2001-05-17 13:09:10 UTC Re: [CAD_CAM_EDM_DRO] U.S. 220 vs Euro 220 Sven Peter, TAD S.A. 2001-05-17 13:11:34 UTC Re: [CAD_CAM_EDM_DRO] Re: U.S. 220 vs Euro 220 Carol & Jerry Jankura 2001-05-17 13:38:58 UTC RE: [CAD_CAM_EDM_DRO] U.S. 220 vs Euro 220 Jon Elson 2001-05-17 14:08:52 UTC Re: [CAD_CAM_EDM_DRO] Re: U.S. 220 vs Euro 220 Jon Elson 2001-05-17 14:46:54 UTC Re: [CAD_CAM_EDM_DRO] Re: U.S. 220 vs Euro 220 wanliker@a... 2001-05-17 15:26:56 UTC Re: [CAD_CAM_EDM_DRO] Re: U.S. 220 vs Euro 220 Sven Peter, TAD S.A. 2001-05-17 17:04:58 UTC Re: [CAD_CAM_EDM_DRO] U.S. 220 vs Euro 220 JanRwl@A... 2001-05-18 19:55:09 UTC Re: [CAD_CAM_EDM_DRO] Re: U.S. 220 vs Euro 220 ballendo@y... 2001-05-21 18:17:47 UTC Re: U.S. 220 vs Euro 220 Ward M. 2001-05-21 23:43:29 UTC RE: [CAD_CAM_EDM_DRO] Re: U.S. 220 vs Euro 220