RFI
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Re: [RFI] There goes the neighborhood.....

To: r55stan@gmail.com
Subject: Re: [RFI] There goes the neighborhood.....
From: WW3S <ww3s@zoominternet.net>
Date: Tue, 28 May 2019 05:26:31 -0400
List-post: <mailto:rfi@contesting.com>
Are Fronius and SMA brand names or design styles?

Sent from my iPad

> On May 28, 2019, at 1:13 AM, <r55stan@gmail.com> <r55stan@gmail.com> wrote:
> 
> The safest option to avoid RFI is to avoid all switching circuitry on the 
> roof.  This incudes optimizers (which are DC to DC converters) and micro 
> inverters (DC to 240 VAC converters).  I have a Fronius inverter, and I have 
> also heard that SMA inverters are quiet.  Watch out for the exaggerated 
> claims about the effects of any shadows shutting down the entire string.  
> This can't happen due to the bypass diodes on the panels.  And, you can 
> easily make up any small efficiency disadvantage of a single ground inverter 
> system with one or two more panels.  My solar power system has zero RFI with 
> no ferrites or twisted wires.
> 
> Randy KQ6RS
> 
> -----Original Message-----
> From: RFI <rfi-bounces@contesting.com> On Behalf Of Raymond Benny
> Sent: Monday, May 27, 2019 9:58 PM
> To: ny9h@arrl.net
> Cc: rfi@contesting.com
> Subject: Re: [RFI] There goes the neighborhood.....
> 
> I agree with Bill, I have a 6kw SMA inverter and no noise.
> 
> Not sure what "dual inverter" means. My SMA has 3 legs/inputs enough for 
> about 30 panels.
> 
> Ray,
> N6VR
> Near Prescott, AZ
> 
> 
> 
>> On Mon, May 27, 2019, 6:20 PM Bill Steffey <ny9h@arrl.net> wrote:
>> 
>> since my SMA standard inverters have NO noise I would test an SMA 
>> optimizer installation//////
>> 
>> I bet they are also quiet...
>> 
>> 
>> bill
>> 
>> 
>>> On 5/27/2019 6:33 PM, Jim Brown wrote:
>>>> On 5/27/2019 3:13 PM, Gary Johnson wrote:
>>>> Most incredible thing: He’s willing to have them remove the entire 
>>>> system if they can’t resolve the RFI! But, he wants to know if 
>>>> there exists an RFI-quiet system*with panel optimizers*.
>>> 
>>> Wow -- buy that guy a case of his favorite single malt!
>>> 
>>> 73, Jim K9YC
>>> 
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