[Elecraft] OT: RF noise in solar photovoltaic system

[Bill Steffey NY9H]

In 2010 I had installed a 10kw system, about 400 feet down from my tower.
Before selecting SMA as the inverter manufacturer, I went to two 
sites with my little Kenwood TF6A.  It has  am fm ssb  bdcst to 
uhf... using the am broadcast band and built in loop antenna, the 
only noise I could discern was when the handheld was held several 
inches from the inverter cabinet. Nothing heard on other bands. 
Lightning took out the inverters, Thor came into the inverters on the 
RS422 control lines, not the AC outputs, blowing the interface cards 
& control circuity. Insurance covered the replacement  SMA 5000TL 
transformerLESS inverters. Thankfully the loss of transformers did 
not change the cleanliness of the SMA boxes. Being in the boonies, 
allows an s3 noise level...and the SMA do not change that !!!

pix at my google/picasa site
https://picasaweb.google.com/102281425518350961470/SolarElectric

EIS Energy Independent Systems in Pittsburgh did a great job...
.....no affiliation other than a customer ...

bill   ny9h/3