[amsat-bb] Solar panel inverters--radio noise?

[Robert Bruninga]

And the third type, STRING inverter, which is the cheaper and much simpler
and has nothing but a single loop of DC wire on the roof.  If there is any
noise,  it is easy to suppress on the ground at the inverter with torroids
on just the two DC wires.

The String inverter is simpler and less costly.  But it does require all
the panels in each array to point the same way.  Minimum of about 10 and
maximum of about 14 panels per string.

Bob, WB4aPR

-----Original Message-----
From: AMSAT-BB <amsat-bb-bounces at amsat.org> On Behalf Of Greg Stahlman
Sent: Monday, February 11, 2019 11:11 AM
To: 'Mike Lussier' <mike.lussier at gmail.com>; amsat-bb at amsat.org
Subject: Re: [amsat-bb] Solar panel inverters--radio noise?

General findings have beeen that panels with "mini-inverters" on the
panels themselves are very quiet.  Panels with "optimizers" or DC-DC
converters on each panel and a main inverter on the side of the house are
very noisy!  I specifically asked for the mini inverters and mine are
quiet, but I can hear
my neighbors system several hundred feet away with his "optimizers."   You
can get a bag of ferrites and clamp them on every panel's output and it
will drastically quiet them down.

-----Original Message-----
From: AMSAT-BB [mailto:amsat-bb-bounces at amsat.org] On Behalf Of Mike
Lussier
Sent: Monday, February 11, 2019 7:48 AM
To: amsat-bb at amsat.org
Subject: Re: [amsat-bb] Solar panel inverters--radio noise?

I have been running 5.8 Kw system using Kyocera panels and SMA inverters
now for 20 years. No noise at all. The inverters are less that 6 feet from
my radios.

-- 


*Michael Lussier AE4ML*

*Orange County ARES Emergency Coordinator* *W5YI Volunteer Coordinator
**CVE
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