[Shop-talk] PV system

[John Miller]

> Here's a web page describing such a system, with the addition of local
> storage batteries.
> http://www.ka9q.net/pv/
> I only scanned the page, but didn't see any mention of having to provide a
> 60 Hz reference when the grid was down.  Maybe his inverter is different
> than Doug's.

Battery-backed systems use different equipment, and *do* stay on line 
when the utility drops out.

You lose a few percent of efficiency with the battery-backed systems, 
since the panels is essentially a big battery charger, the house feed 
comes off the batts.

John.