Why not disconnect the DC into the inverter with a Tyco relay? No DC, no AC.
At 10:32 AM 12/5/2012, you wrote:
Hi All,
I am looking for options for controlling a disconnecting relay for a
grid-tied inverter. It is a PVI5000 so 30 amp 240vAC. I need to
disconnect it when the backup generator gets kicked on by the Automatic
Transfer Switch when the grid goes down. The array is on a garage that is
several hundred feet from the house and service entrance and ATS and
digging in a control wire for that distance won't work. So I need a way
to sense that the generator is putting out power and then control a
contactor which would disconnect the inverter from the subpanel. I've
looked for wireless and powerline control options but I can't seem to put
together the pieces.
Any ideas of the most cost effective and reliable approach?
Thanks,
Howie
--
Howie Michaelson
NABCEP Certified Solar PV Installer™
Catamount Solar, LLC
Renewable Energy Systems Sales and Service
VT Solar Electric & Hot Water Incentive Partner
http://www.CatamountSolar.com
802-272-0004
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