Mailinglist Archive: opensuse (3572 mails)
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Re: [opensuse] [OT] How much power does a PC really consume?
- From: Randall R Schulz <rschulz@xxxxxxxxx>
- Date: Thu, 14 Feb 2008 13:13:28 -0800
- Message-id: <200802141313.28723.rschulz@xxxxxxxxx>
On Thursday 14 February 2008 12:26, James Knott wrote:
Yowsa!
What about the isolation provided by a transformer on the input? How do
these things get UL (or other regulatory agency) approval?
Randall Schuzl
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...
Quite so. I was just replying to that transformer comment. With
switching supplies, transformers are often not used on the input.
The incoming AC is rectified, filtered and the resulting DC is used
to power the switching regulator that provides the desired output ...
Yowsa!
What about the isolation provided by a transformer on the input? How do
these things get UL (or other regulatory agency) approval?
Randall Schuzl
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