Re: Dave Stetzer's comments re. filters' performance
Posted by
SArjuna on
URL: https://www.es-forum.com/Dave-Stetzer-s-comments-re-filters-performance-tp1542880p1542909.html
from whom did you purchase these filters, Charles? What identifying
information do they have on them?
The Stetzer filters have either the CE or the UL approval on them,
depending on which country they are for.
Please respond to the points I made and the questions I asked about your
previous remarks. See reminder below.
Regards,
Shivani
> Charles wrote:
> "I have reports from the German company Bajog, who have calculated and
> tested, that raising the number of capacitors (filters) can cause unwanted
> resonances, by which other electrical equipment can get damaged.
> By raising the capacity of 200 uF and a net impedance of 0,5-1,2 Ohm
> (praxis
> value), the critical resonance frequency can be 180 Hz, which is the 3rd
> harmonic.
>
> Shivani responds:
> Is this last sentence from Bajog? You imply so, but do not actually
> say so, so it's not clear.
> Is this statement supposed to apply to using the Stetzer filters?
> It isn't even possible to get 200 uF (microfareds) with the Stetzer
filters.
> The European model of the filters is 15 uF. No number of them will =
> 200 uF.
> Please provide a copy of the Bajog report. If they, or anyone,
> believe the filters are harmful, they should have contacted the CE people,
> who certified the filters.
> If anyone ever shows by genuine test any real problem with the Stetzer
> products, Dave Stetzer should be notified immediately.
> If people keep spreading false information about the filters, they may
> soon be talking to a lawyer.
> This is a serious offence.
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