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

To: rfi@contesting.com
Subject: Re: [RFI] Solar Edge RFI Update 11/29/18
From: "Dave Cole (NK7Z)" <dave@nk7z.net>
Date: Thu, 29 Nov 2018 11:10:09 -0800
List-post: <mailto:rfi@contesting.com>
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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