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Re: [RFI] Generac Solar System RFI

To: KD4IZ <kd4iz@frawg.org>
Subject: Re: [RFI] Generac Solar System RFI
From: David Eckhardt <davearea51a@gmail.com>
Date: Thu, 15 Aug 2024 21:40:00 +0000
List-post: <mailto:rfi@contesting.com>
Thanks, Jack.  I will breath a bit easier with your input.  We're also in a
rural location - by choice for RFI.

Dave - WØLEV

On Thu, Aug 15, 2024 at 9:19 PM KD4IZ <kd4iz@frawg.org> wrote:

> David,
>
> I think you may rest easy on that account. We have a similar set up -
> propane powered 22KW Generac generator and circuit sequencers (for hi
> amperage devices). I experience no additional noise here when the unit is
> operating and have successfully run the ECARS net during a power outage
> more than once. We live in a quiet rural Maryland area.
>
> Jack - KD4IZ
> Sent from my iPhone
>
> > On Aug 15, 2024, at 16:36, David Eckhardt <davearea51a@gmail.com> wrote:
> >
> > 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@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@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@sdellington.us
> >>> _______________________________________________
> >>> RFI mailing list
> >>> RFI@contesting.com
> >>> http://lists.contesting.com/mailman/listinfo/rfi
> >>
> >> _______________________________________________
> >> RFI mailing list
> >> RFI@contesting.com
> >> http://lists.contesting.com/mailman/listinfo/rfi
> >>
> >
> >
> > --
> >
> > *Dave - WØLEV*
> > _______________________________________________
> > RFI mailing list
> > RFI@contesting.com
> > http://lists.contesting.com/mailman/listinfo/rfi
>


-- 

*Dave - WØLEV*
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