[RFI] Covering Solar Panels To Assess RFI

[Cortland Richmond]

Someone at SolarEdge doesnt seem to know that cells are diodes.

Cortland


On 8/30/2020 08:39 AM, Tony Brock-Fisher via RFI wrote:
> The obvious test would be to disconnect the optimizers from one or 
> more panels, expose them to sunlight, but cover all the rest. This 
> configuration should be quiet.
>
> -Tony
>
> On 8/29/2020 7:31 PM, Tony wrote:
>> On 8/26/2020 6:53 AM, Tony Brock-Fisher wrote:
>>
>>> It is highly unlikely the panels themselves generate RFI without the 
>>> optimizers
>>
>> I agree with you Tony.
>>
>> When we informed SolarEdge about the noise disappearing when we 
>> covered the panels, they came to the conclusion that solar panels 
>> themselves were at fault.
>>
>> The fact is that the entire system shut down when we covered the 
>> panels so how they can blame the panels and discount the inverter and 
>> optimizers is beyond me.
>>
>> We know what the inverter noise looks like because all we have to do 
>> to make it appear and disappear is turn it on and off.
>>
>> The optmizers get their power from the solar panels so we had to 
>> cover the panels to stop the RFI they emit. As you know, there's no 
>> switch to turn them off.
>>
>> Thanks to my neighbor, I have unrestricted access to the system so 
>> I've been able to perform these tests dozens of times. I'm hoping 
>> SolarEdge will come out and do the same.
>>
>> Tony -K2MO
>>
>>
>>
> _______________________________________________
> RFI mailing list
> RFI at contesting.com
> http://lists.contesting.com/mailman/listinfo/rfi
>