Supercomputers, fishing for information
aek at bitsavers.org
Mon Nov 7 12:41:30 CST 2016
I wonder if LCM has ever measured the power draw of each of their big machines?
On 11/7/16 10:25 AM, Jon Elson wrote:
> We tried to get a 370/145 running at a guy's house. That had the 17 KVA motor generator set in the back (WAY more than
> a 145 needed, but they apparently used one MG set for a range of machines). But, he only had 60 A 240V single-phase
> service, and we couldn't even spin up the MG set with no load. We built a static phase converter, but the imaginary
> current was over 60 A. Well, NO SURPRISE, if we'd just read the nameplate we would have known it was a fool's errand.
> The 3-phase line current on the thing was about 55 A, per 3-PHASE LINE, so running it off SINGLE-PHASE, the line current
> would HAVE to be 1.7 X that much, wouldn't it? OF course!
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