Re: [TCML] power meter goes crazy

["DC Cox" <resonance@xxxxxxxxxxxx>]

You need to filter the primary mains to remove transients before the meter
will work properly.

Dr. Resonance

On Thu, May 29, 2008 at 8:07 AM, David Nelson <davidnelson11@xxxxxxxxxxx>
wrote:

> I have a cheap electronic (digital) power meter (about A$40). I put it in
> line with my 750W tesla coil (15/50 NST). Current varied from 3A to 8A - NST
> is rated 3.6A. Power varied from 700W to 2200W and power factor varied
> wildly from 30% to 80%. Does this seem right. Is it because of the nature of
> the meter? Interference from the coil? (about 4 meters away - 12 feet) Any
> comments?
>
> I can't help thinking that a PFC will actually help me out. I know this is
> a can of worms but even with all the discussion I am still uncertain about
> the need for a PFC cap. There are conflicting opinions I think. Any
> (definative) advice for NST use would be greatly apreciated.
>
> Thanks
> Dave Nelson
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