[RE-wrenches] Fault Current

[Nathan Charles]

Karl,

Can you give us some more details on their concerns?  I've done some very
large single phase ag installs and the only time I've had issues is when we
exceed the 80% of minimum load on the medium voltage feeder.

Best,

-N


On Thu, Mar 27, 2014 at 2:51 PM, Karl Jaeger <kjaeger at lightwavesolar.com>wrote:

>  Dave,
>
> We are about as rural as we can get here.... farm land. Very good document,
> nonetheless.
>
> Karl
>
>
>
> *From:* re-wrenches-bounces at lists.re-wrenches.org [mailto:
> re-wrenches-bounces at lists.re-wrenches.org] *On Behalf Of *Dave Click
> *Sent:* Thursday, March 27, 2014 1:29 PM
> *To:* re-wrenches at lists.re-wrenches.org
> *Subject:* Re: [RE-wrenches] Fault Current
>
>
>
> 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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-- 
Nathan Charles
Engineer
NABCEP Certified PV Installation Professional #042013-20
Paradise Energy Solutions
(717) 283-2021 direct
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