Dedicated pole transformers for grid tie [RE-wrenches]

[Ron Schroeder]

joeldavidson at earthlink.net wrote:
> 
> Hello Ron,
> A 38 kW isolation transformer for a 1.3 kW PV system? Is it any wonder 
> why
> most utility company managers think that customer-owned distributed
> generation is not cost-effective.
> Best wishes for a wonder-ful new year.
> Joel Davidson
> 

Happy New Year to you too Joel,

I am guessing that 38KW is the smallest transformers that the utility 
stocks but I guess they don't realize that the PV system is REDUCING the 
load on the transformer not increasing it.  The only thing that I can 
even think of that a dedicated transformer would do is to prevent DC 
from getting to the neighboring houses in the very very very rare 
inverter failure that might pit the PV on the output.

Ron

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