Topband: Tesla Powerwall and RFI

[Antonín Beňovský]

Dne 19.05.2020 v 13:22 Tim Shoppa napsal(a):
> I don't know about Tesla Powerwall in specific. And I don't know if you are
> asking about solar-charged (as opposed to grid-charged) Tesla Powerwall but
> likely you are.
>
> Wiring solar panels to inverters (charging inverters or to-grid inverters)
> can be done correctly - where the +/- pairs are kept close together - or it
> can be done incorrectly where the power wires form a giant roof-sized loop.
>
> When done correctly the near field radiation from the system's inverter is
> kept very short range.
>
> When done horribly incorrectly the far field radiation from the large loop
> of wire on the roof can  actually become an effective far-field radiator on
> HF.
>
> The situation is remarkably similar to ECM HVAC equipment in that there is
> a wide range of installers out there some of which find interesting
> non-paired ways to run supply wires in giant radiating loops (a discussion
> from Topband list several years ago when ECM motors started becoming
> common).
>
> Tim N3QE
>
> On Mon, May 18, 2020 at 6:16 PM Paul F. Merrill <marinesvcs at gmail.com>
> wrote:
>
>> Hi Group -
>>
>> Does anyone have any experience with a Tesla Powerwall installation at
>> their QTH?  If you have, have you noticed any RFI from them?
>>
>> Thanks, Paul / W7IV
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