Darryl:
You make an important and valid point. This is why I am interested in
Aurora Inverters. They use ungrounded PV arrays. Here is a link to the
manual.
http://www.power-one.com/resources/products/appnote/AlternativeEnergy/manual4.2us.pdf
Check out section 2.4.2. Here is the manufacturer's web
site: http://www.power-one.com/renewable-energy/grid-tie-solar-inverters.php
Alternatively, we need the device I invented, only to find someone beat me
to
it:
http://www.google.com/patents?id=wXHIAAAAEBAJ&pg=PA2&dq=solar+ground+fault+protection&source=gbs_selected_pages&cad=2#v=onepage&q=&f=false
William Miller
At 06:05 PM 12/5/2009, you wrote:
Remember target had two fires. one caused by the conduit cutting
insulation and the other by the ground current passing through small
module ground leads. Had the grounded conductor not been grounded this
other fire would not have happened. We need to move to ungrounded systems.
Darryl
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