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

[Tony]

On 11/29/2018 2:10 PM, Dave Cole (NK7Z) wrote:
> Hi, Did the Solar Edge engineer pronounce the RFI as corrected, or is 
> this a test?

This was a test Dave. I asked the engineers if they would do the entire 
system when they were here in October, but this is the route they chose.

Will keep you posted.

Tony -K2MO

>
>
> 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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