Re: Watt meters

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: Terry Fritz <teslalist-at-twfpowerelectronics-dot-com>

Hi Gerry,

Yes, a pure reactive load will pull a lot of current, but the meter will 
not move.  These power meter data back before me...  I wish I would have 
kept one I used to have.  I donated it to a conservation project.

Cheers,

         Terry



At 06:54 PM 3/17/2004, you wrote:

>Hi Terry,
>
>So does this mean if I put a pure inductor across the mains (sized for say
>10 amps), the watt meter will register no power being consumed??  If this is
>true, how long has this been done this way?
>
>Cheers,
>Gerry R
>
> > Original poster: Terry Fritz <teslalist-at-twfpowerelectronics-dot-com>
> >
> > Hi,
> >
> > House type power meters certainly do measure real power.  They do it with
> > all the coils and induction disks and such (electronic nowadays).  In
>fact,
> > if you supply power from your house back into the grid, the meter will
>spin
> > backwards.  We did that on a solar power project once and I can verify
>that
> > they really do go backwards.
> >
> > Cheers,
> >
> >          Terry
> >