[RFI] Solar Edge RFI Update 11/29/18

[Dave Cole (NK7Z)]

Hi,

Did the Solar Edge engineer pronounce the RFI as corrected, or is this a 
test?


73s and thanks,
Dave (NK7Z/NNR0DC)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 11/29/18 11:05 AM, Tony wrote:
> All:
> 
> Solar Edge installed RFI suppression on my neighbors solar system on 
> Monday. They installed 5 clamp-on Ferrites on half the Optimizers which 
> left the rest of the system open to RFI. Needless to say, this did 
> little to suppress the noise.
> 
> The company will not wrap cables around large cores because they say 
> that doing so would violate the cables bending radius and could lead to 
> cracks. I spoke to the engineer today and he maintains that using 
> several clamp-on Ferrites is the equivalent of wrapping the cable around 
> a core.
> 
> So that's where we are. I should find out the next course of action this 
> week. I'll keep the group posted.
> 
> Tony -K2MO
> 
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