On Thu, 9 Feb 2006 15:45:45 +0000 (GMT) Ken Moffat wrote:
I measured the following consumptions a few months ago for my desktop
boxes:
I'm looking for tips to make that kind of measurement. My first approach
would be
to stick my digital multimeter inline (as ammeter on highest range) between
the
wall socket and the PS and calculate the power consumption as P = 230V * I
where I is the measured current....
Is this a valid approximation? Can I assume that the impedance of the PS'
transformer
is compensated and thus negligable phase shift complications? Or are there
other recognized techniques?
Just for comparison, my set-top-box from NTL (cable TV and broadband)
uses about 77 Watts fully on, or 76 Watts in standby!
Bummer!
Why even bother to create a standby function then???
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