[RFI] Covering Solar Panels To Assess RFI

Tony Brock-Fisher barockteer at aol.com
Sun Aug 30 08:39:43 EDT 2020


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
>
>
>


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