Weird! I was looking through the list archive for info on lightning
arrestors earlier this afternoon and coincidentally, this email may
help, from Aaron Wellendorf on 2006/4/12:
http://lists.re-wrenches.org/htdig.cgi/re-wrenches-re-wrenches.org/2006/019214.html
"I have used a different brand of AC surge arrestor with noise filtering to
quiet the AC line into a grid-tied Trace SW4048 back in 1999. It didn't
completely filter out all noise, but it did make my customer's favorite
680AM radio station listenable vs. a totally static roar. I put them on all
my systems after that, SW or not."
He doesn't say what surge arrestor he uses, but hopefully this helps
your customer.
DKC
-------- Original Message --------
Subject: [RE-wrenches] Inverter AM Interference
From: solar...@aol.com
To: re-wrenches@lists.re-wrenches.org
Date: 2009/7/14 20:48
Hello:
Has anybody got a fix or a way to filter out inverter generated AM
( 520-700 kHz MW) noise? I guess it's never been a problem in the past
because our customers must not have been fans of AM radio. Plus, I
always approved of the fact that it wiped out reception for ditto-heads.
We called SMA and they are in a state of denial. Our customer is not
very ambulatory, sits in the same spot most of the day and just loves
talk radio. The inverter is more than 30 feet away from the radio.
Other than relocating the inverter (grid-tie, no battery) is there
anything we can do?
Patrick Redgate
Ameco Solar
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