Semi-OT: Voltage Reduction Test Announced by IESO

[phiscock-g851W1bGYuGnS0EtXVNi6w at public.gmane.org]

> Unless you have a very crappy power supply, 5% should be well within the
> tolerances on input voltage.  Many power supplies will run anything
> bwtween 100 and 250V as input and adjust automatically to generate the
> correct output voltages.
>
> Maybe years ago we had power supplies that would only run at 110 to 115V
> or something, but I doubt that is the case with any modern power supply.
>
> So looking just a little, something like an Antec TruePower 480 seems to
> say it runs either 115 or 230V, although I am sure it has some
> tolerance.  Meanwhile a PC Power and Colling TurboCool 510 has the input
> range of 90 to 264V automatic with supposedly a .99 power factor.
>
> Len Sorensen

Some power supplies can adjust automatically to the full 115 to 230 volt
range. Some require you to move a switch. God help you and your computer
if you put the switch in the 115 position and plug into 230, which is why
the automatic versions are preferable.

Peter

-- 
Peter Hiscocks
Professor Emeritus,
Electrical and Computer Engineering,
Ryerson University
416-465-3007
www.ee.ryerson.ca/~phiscock

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