Diversion Load for wind generator [RE-wrenches]

[Bob-O Schultze, Electron Connection]

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Rob,
I can see the concern in a small battery,large array scenario. But 
true to the NEC format, they will make ALL systems, whether grid 
connected or stand-alone, comply with the requirement. Yet another 
couple of hundred bucks to an already pricey system. And, it will 
fall hardest financially on small off-grid systems where the user can 
ill afford it and likely doesn't need it.
Bob-O


>Something to watch:  The 2002 National Electric Code for PVs requires
>redundant protection for shunt type battery charge controllers.  This may
>come at some stage also for series controllers if we see a significant
>number of field failures (e.g., shorted FETs).  This is more critical for
>grid connect systems with small battery banks and large generation
>capability, than for typical stand-alone systems that would see the
>malfunction more as an equalize..
>
>Rob Wills

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