Parallel String Brain Teaser [RE-wrenches]

[info at backwoodssolar.com]

The array prevents backfeeding in case of a control fault, as it is high
resistance and reverse leakage current is very low. Unless you postulate a
fault in module wiring simultaneously with a fault in diode or charge
control.
Steve
Backwoods Solar
----- Original Message -----
From: "Bill Brooks" <billb at endecon.com>
To: <RE-wrenches at topica.com>
Sent: Wednesday, May 22, 2002 3:13 PM
Subject: RE: Parallel String Brain Teaser [RE-wrenches]


> Bob-O,
>
> I'm trying to understand your comment. What prevents backfeed to the array
> in the event of a fault with a CC that does not prevent backfeed or that
has
> failed?
>
> What about parallel strings feeding a fault? That is something the CC has
no
> control over.
>
> In these cases the fuse does much more than provide a disconnect in my
> experience.
>
> Bill.

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