[RFI] Solar Panel RFI Case In Kings Park, N.Y. : Update #3

Thu Jun 28 19:07:05 EDT 2018

I do not, but I'll bet we could get some traction if we went through QRZ.
Excellent suggestion.  Who wants to take the ball and run with it.  I'm too
preoccupied with getting our new RV ready for whats left of the summer..

Dave - W0LEV

On Thu, Jun 28, 2018 at 2:39 PM, Tony <dxdx at optonline.net> wrote:

> Dave:
>
> Not a bad idea. However, I would suggest skipping the "middle man" and
> going straight to the ARRL Spectrum Defense Fund lawyers. Better still, an
> online petition sent to every ham via QRZ with the backing of the ARRL.
>
> Most hams use QRZ these days so there's certainly a large audience. I'm
> sure the folks at QRZ would sponsor such a petition as well. A popup that
> shows up when you login to QRZ describing the issue with a link to the
> petition would work well.
>
> Anyone know who the top-guy is at QRZ?
>
> Tony -K2MO
>
>
>
>
>
> On 6/28/2018 2:11 PM, David Eckhardt wrote:
>
>> *_Just a suggestion:_*  If every one of us sent this issue to our ARRL
>> section managers, Maybe, just MAYBE, ARRL would take notice and tickle
>> FCC.  We need to cover the entire country with notifications to our section
>> managers.  How about an effort launched from this forum?
>>
>> Dave - WØLEV
>>
>> On Thu, Jun 28, 2018 at 5:57 PM, Randy Standke <r55stan at gmail.com
>> <mailto:r55stan at gmail.com>> wrote:
>>
>>     I have a neighbor (3 houses away) with a SolarEdge system and on
>>     the first
>>     round of implementing the SolarEdge fix there was little
>>     improvement.  They
>>     came back several more times and each time there was only a marginal
>>     improvement.  Finally, the SolarEdge folks came and discovered
>>     that there
>>     were areas where they did not twist the wires and did not install the
>>     ferrites.  So, it is quite possible in your case that the rework
>>     was not
>>     done correctly, or completely.  It only takes one unfiltered
>>     optimizer to
>>     make a lot of RFI.
>>
>>     Anyway, it is good that SolarEdge folks are flying out.  I suspect
>>     they have
>>     seen many cases where their rework instructions were not correctly
>>     followed.
>>     If there is any good news in this, once the fix was properly
>>     installed the
>>     RFI was gone.
>>
>>     73,
>>
>>     Randy KQ6RS
>>
>>     -----Original Message-----
>>     From: RFI <rfi-bounces at contesting.com
>>     <mailto:rfi-bounces at contesting.com>> On Behalf Of Tony
>>     Sent: Thursday, June 28, 2018 1:43 AM
>>     To: rfi at contesting.com <mailto:rfi at contesting.com>
>>     Subject: [RFI] Solar Panel RFI Case In Kings Park, N.Y. : Update #3
>>
>>     All:
>>
>>     Some of you may recall that I've been dealing with RFI generated by a
>>     neighbors solar panel installation since the day it was installed
>>     in August
>>     of 2016. I promptly notified Solar Edge, the manufacturer, about
>>     the noise
>>     and they acknowledged (eventually) that their components were the
>>     cause of
>>     the RFI.
>>
>>     Solar Edge: https://www.solaredge.com/us/home
>>     <https://www.solaredge.com/us/home>
>>
>>     Update:
>>
>>     Last week, on June 21st, Solar Edge sent a contractor (Solar City) to
>>     install RFI suppression to eliminate the RFI. The engineers from
>>     Solar Edge
>>     told me that they guaranteed it would work and that they've
>>     installed this
>>     type of RFI suppression many times before.
>>
>>     Unfortunately, it had little to no effect. They used small
>>     clamp-on ferrite
>>     cores at the optimizers (noise generators) with one turn of cable
>>     around
>>     each core. The reason they gave for not using a large ferrite with
>>     multiple
>>     turns was that multiple turns could damage the cables -- go figure.
>>
>>     They apologized for not solving the problem and are now flying their
>>     engineers in from the west coast to New York to inspect the work
>>     done by the
>>     installer. Once again, they assured me that problem will be solved.
>>
>>     In my case, my neighbors installation is 150 feet from my antennas
>>     yet the
>>     RFI is strong at that distance. It's heard on 30 through 10 meters
>>     so HF is
>>     essentially unusable during the day while the system is active.
>>
>>     My advise to my fellow hams is this: take a good look around your
>>     neighborhood and notice the number of solar panel systems popping up
>>     everywhere. Imagine trying to figure out which system among them
>>     is causing
>>     RFI and the task of knocking on doors to find out who manufactured the
>>     system or who the responsible party is.
>>
>>     Solar panel systems are not going away so the potential for RFI
>>     issues are
>>     likely to become widespread. In fact, California plans on making solar
>>     panels mandatory on new homes beginning in 2020.
>>
>>     I think most would agree that it's time for the ARRL and other
>>     advocates to
>>     make a serious effort to let the FCC know how serious a problem
>>     this is.
>>     Signed petitions by the 160,000 members of the ARRL sent to local
>>     congressmen might be a good place to start.
>>
>>     Or, we can sit on our asses and say goodbye to HF.
>>
>>     Tony -K2MO
>>
>>
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>>
>>
>>
>>
>> --
>> *Dave - WØLEV
>> *
>> */Just Let Darwin Work/*
>> */Just Think/*
>>
>
>
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-- 

*Dave - WØLEV*
*Just Let Darwin Work*
*Just Think*