[RFI] Generac Solar System RFI

[David Eckhardt]

Yesterday, my neighbor had a Generac loss-of-grid-power generator installed
(with a 500-gallon propane tank).  Hopefully, similar technology is not
used in their back-up generators.  Time will tell.

Dave - WØLEV

On Thu, Aug 15, 2024 at 8:26 PM James Jordan <k4qpl2 at gmail.com> wrote:

> If all their reps and retailers are as serious, that’s a good sign.
> Jim
> K4QPL
> Sent from my iPhone
>
> > On Aug 15, 2024, at 2:27 PM, K9MA <k9ma at sdellington.us> wrote:
> >
> > A few weeks ago, I tracked the source of 14 MHz interference to a
> neighbor's Generac solar system about 0.4 miles away. After I contacted the
> local installer, this morning I got a call from a Generac representative,
> John. (He also mentioned contact with the ARRL.) He told me the system has
> been disabled pending installation of new "optimizers", which are on back
> order until October. The homeowners are being compensated for loss of solar
> production in the meantime.
> >
> > Optimizers are boost converters connected between each string of panels
> and the central inverter. John claimed to have had experience with similar
> situations and felt that the source of the interference was the optimizers,
> rather than the central inverter. He also seemed to be familiar with other
> mitigation measures, such as installation of ferrite cores on
> interconnecting cables. In any case, we will perform a test after the new
> optimizers are installed, and go from there.
> >
> > --
> > Scott  K9MA
> >
> > k9ma at sdellington.us
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-- 

*Dave - WØLEV*