[mythtv-users] Power Measurement (Was Architecture Idea - Raspberry Pi, VM, XBMC)

[Raymond Wagner]

On 1/14/2013 23:10, Boleslaw Ciesielski wrote:
> First off, these days any self-respecting PSU will have power factor
> correction circuit which brings it very close to 1.0 (like 0.99).
>
> Second, Kill-a-Watt can measure and display power factor, so one would
> think that it can also adjust for it :-)
>
> So I do not believe that PF by itself is the cause of the inaccuracy.

Some researching through reviews for the case seems to indicate it does 
indeed have an active PFC, although the correction falls off at low 
loads. Meanwhile, the efficiency drops to somewhere south of garbage, 
which makes me wonder if the power supply is using more power than the 
PC itself.

http://www.xbitlabs.com/articles/cases/display/antec-foxconn-inwin_4.html
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