Gary,
Is it possible to calculate the pfc from the spec?
- Robert -
On Mon, 11 Oct 2004 10:54:01 -0700
Gary McInturff <[email protected]> wrote:
> Ladies and Gentlemen
> I think I may be stuck between a rock and a hard
> place.
> We have a new project that is, for all practical
> purposes a custom
> design for a client.
> We purchase a supply that indicates compliance with
> EN61000-3-2
> harmonics. Our customer wants a more quantitative number.
> Is it 90% PFC, 95%
> etc.
> I can't tell that from the spec sheet and quite
> frankly at this point I
> can't lay my hands on a power supply yet and obviously we
> haven't gone to
> test yet with this in our equipment so I don't believe I
> have any way of
> determining this (not sure that I could tell from the
> conformance test
> anyway - can I?)
> When I call the power supply manufacturer, I can't
> directly address the
> design engineer and all they can tell me is that it meets
> the requirements
> for Class A waveform.
> Am I overlooking something here in the datasheet? Is
> there anyway to
> infer what what the PFC % is?
> Gary
>
>
>
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