[RE-wrenches] Fault Current

[Dave Click]

Karl, you're interconnecting into a spot/area network, right? It's a 
real concern; some solutions and background on the issue here:
http://www.nrel.gov/docs/fy09osti/45061.pdf

DKC

On 2014/3/27, 14:05, Karl Jaeger wrote:
>
> Esteemed Wrenches,
>
> We've recently run into an issue with a local distributor citing 
> network fault current on a split-phase service as a reason to prevent 
> interconnection of our customer's solar array. They've given us the 
> options of reducing our system size from 36.5kW-DC to 15kW-DC, or 
> having the customer upgrade to 3-phase at a soft price of $20-30K. 
> We're looking at 32kW of inverters on a 167kVA transformer.
>
> Does anyone have experience on circumventing the issue of network 
> fault current? Any experience with Fault Current Limiters?
>
> Much appreciated,
>
> *Karl Jaeger*
>
> *Design/Build Engineer*
>
> *LightWave Solar Electric LLC*
>
>
>
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