3-phase (was: Re: CDC 9766 Drive and packs)

From: John Amirault <amirault_at_epix.net>
Date: Thu Feb 4 15:22:10 1999

Hi,
OK. What you are saying is that you have a functionally obsolescent electric
service that needs to be upgraded to a 200 amp service to better handle
todays electric needs. I suggest that you contact your electric company and
find out how much this upgrade will cost you.

John Amirault
-----Original Message-----
From: Eric Smith <eric_at_brouhaha.com>
To: Discussion re-collecting of classic computers
<classiccmp_at_u.washington.edu>
Date: Thursday, February 04, 1999 3:34 AM
Subject: Re: 3-phase (was: Re: CDC 9766 Drive and packs)


>> Why not just go out and BUY a three phase converter? You know that such
a
>> thing does exist now.
>
>As the person that started this thread, I can certainly explain why *I*
>don't buy one.
>
>The equipment I want to run will need about 45A per phase. If I had
>an 85% efficient converter, I'd need an 80A 240V circuit. The entire
service
>entrance to my house is only 100A, and I use more than 20A of that for
>lighting alone, not to mention the microwave oven, audio and video gear,
>and modern computers.
>
>Normal US homes are not wired for big old computers and their peripherals.
>
>
Received on Thu Feb 04 1999 - 15:22:10 GMT