Power factor issues [RE-wrenches]

[sunwise]

Hey Allan,

You wrote "I have read Sylvania's piece on the relationship between beer
and foam. How much attention should we pay to this issue?"

Not a lot of help here but would be interested in this "Sylvania piece".
Can you tell me where I can get it? 

Also, I was involved in this post early on.  I posted something about
how a CFL may list initial or surge current, which would be high and not
to be confused with average power.  It sounded like folks were saying
that simply doing the math on the back of a rated appliance will
essentially give you the power factor.

I am still wondering how valuable the info on the tag is with inductive
loads.  Is this a surge/max rating for conductor or fuse sizing, or is
it more useful than that?

Kurt Nelson
SOLutions


-----Original Message-----
From: Allan Sindelar [mailto:allan at positiveenergysolar.com] 
Sent: Tuesday, May 13, 2003 9:12 PM
To: New wrenches posting
Subject: Power factor issues [RE-wrenches]

This is a repost of a request I made on 4/2; nobody responded to any of
the
questions. I'm trying one last time. Maybe nobody cares, in which I
won't
either.
Allan

----- Original Message -----
> Fellow Wrenches:
> 1. What do you use to measure power factor on AC loads? It looks like
the
> Brand 20-1850 is a good bet, but is there anything that's good, easy
to
use,
> and cheaper?
>
> 2. Do you bring up power factor when sizing power systems or when
discussing
> CF bulb selection? Does anyone carry and sell high power factor CF
bulbs
for
> this reason?
>
> 3. Has anyone determined by actual measurement that it takes less DC
power
to
> run a high power factor CF bulb than a low power factor CF bulb? How
much
> less?
>
> 4. In other words, I have read Sylvania's piece on the relationship
between
> beer and foam. How much attention should we pay to this issue?
>
> Thank you.

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