[RFI] Solar Edge RFI in Kings Park New York - September 2018 Update

[Tony]

Randy:

They may have missed something so we're hoping they'll get it right the 
next time they come out. Should be in the next week or two.

Thanks, Tony -K2MO

On 9/3/2018 9:35 PM, Randy Standke wrote:
> Hi Tony,
> Keep after SolarEdge to fix the problem.  They had to come out about four
> times to fix one of my neighbors.  Even one optimizer that is not completely
> filtered will cause strong RFI.  It is easy for the installers to miss one
> or more on the first attempt.
>
> Randy, KQ6RS
>
> -----Original Message-----
> From: RFI <rfi-bounces at contesting.com> On Behalf Of Tony
> Sent: Monday, September 3, 2018 3:06 PM
> To: rfi at contesting.com
> Subject: [RFI] Solar Edge RFI in Kings Park New York - September 2018 Update
>
> All:
>
> Solar Edge sent one of their engineers to inspect my neighbors solar panel
> installation that's been causing RFI since August of 2016. They tweaked the
> RFI suppression that was installed in July of this year which did nothing to
> reduce the noise any further.
>
> They also shut down the Optimizers via remote recently to see what effect
> that might have. There was little change because the switching power
> supplies that power each Optimizer remain active when the solar panels are
> in sunlight. The power supplies would need to be disconnected to shut them
> off.
>
> The first attempt to solve the problem took place in Feburary of 2017 when
> they swapped out the optimizers. The attempt that took place this July was
> to add ferrite to each cable coming off each optimizer.
>
> The ferrite did have some effect, but the cables were not looped through the
> core: they only made one pass through it - see attached image.
>
> Solar Edge has obviously been slow to act given the fact that the noise
> began the day of the installation in August of 2016, It's only in the last
> few months have they been actively seeking to solve the problem.
>
> They plan on taking more action soon so I will keep the group posted.
>
> Tony -K2MO
>
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