A case for downgrading to PCs (was: WARNING: RANTING COMPUTERNUT...

From: Geoffrey Thomas <geoffreythomas_at_onetel.net.uk>
Date: Fri Jun 18 16:43:52 2004

I can only assume that the star (Y) system was a four wire system. The star
system can be either 3 or 4 wire it appears, whereas delta is always 3 wire.
It was 1970 when I did this , so if anyone wants to put me right -feel free.
It does seem a logical explanation though.

Geoff.

----- Original Message -----
From: "der Mouse" <mouse_at_rodents.montreal.qc.ca>
To: "General Discussion: On-Topic and Off-Topic Posts"
<cctalk_at_classiccmp.org>
Sent: Friday, June 18, 2004 2:44 AM
Subject: Re: A case for downgrading to PCs (was: WARNING: RANTING
COMPUTERNUT...


> > Most know about motor rotation but he was talking about delta versus
> > Y. This can be quite different.
>
> What _is_ the difference between delta and Y? A while ago we had a
> discussion that ended up revolving around what point is grounded
> ("neutral"). As far as I can see, delta and Y are basically
> equivalent, provided you don't try to refer anything to ground (or
> anything else beyond the three phases), and provided you don't overload
> anything.
>
> Am I missing something?
>
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Received on Fri Jun 18 2004 - 16:43:52 BST