Ken:
I know of several hams who are experiencing RFI caused by Generac home
solar. In each case, the interference turned out to be emanating from a
neighbors installation. In one particular case, Mark N1UK, experienced
RFI from a neighbors system located 400 feet from his home. His neighbor
had the system installed mid-summer I believe and I don't know if the
issue was resolved. You can find Mark's contact info on QRZ.
Most home solar systems share like-components so they all have the
potential to cause RFI regardless of the brand. At least one company
specifically warns against installing solar panel systems near ham radio
installations and that's SolarEdge. The quote below was taken from a
SolarEdge document titled: "Installing a SolarEdge System near an
Amateur Radio System".
It says in part:
"/due to the afore-mentioned factors and to the higher sensitivity and
physical layout of HAM radio equipment, we have seen in the past
installations where the noise level measured by HAM radio operators was
above the urban ambient noise especially, in the 6M band and lower
frequencies, while having a much lower noise level on the 2M band.
*Therefore we do not recommend the installation of SolarEdge systems at
sites where HAM radio equipment is installed. *
/
/
/
For what it's worth, I contacted Generac on N1UK's behalf and the gist
of the conversation was that their equipment meets all FCC requirements
which is the standard answer you'll get from most if not all solar
equipment manufacturers. I'm sure you'll get the same answer if you ask
your Generac salesmen about RFI.
Best of luck,
Tony -K2MO/
/
/
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On 12/16/2021 12:06 AM, Ken Bandy, KJ9B wrote:
Hi all. I am contemplating having a “PowerHome Solar” power system
installed at my house, and am a little concerned about possible RF noise
generation from the system. This system uses a Generac controller. Does
anyone have any experience with a system using a Generac controller? I know
early inverters were often RF noisy, but I’m hoping that the later models
have addressed noise generation.
Any input is appreciated.
73,
Ken, KJ9B
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