[RE-wrenches] Buck-Boost transformer to mitigate high voltage drop?

[Ray Walters]

My guess is that in your case the GTPV will just help alleviate the volt=20
drop situation.  I wouldn't start adding transformers, etc until you are=20
having a problem.  Put in the contract that this extra cost may be=20
necessary for proper function, but I would keep it as a backup.  Based=20
on the numbers you just mentioned, you would only be selling a surplus=20
of 30 amps, and the existing wire should be adequate for that.

R.Ray Walters
CTO, Solarray, Inc
Nabcep Certified PV Installer,
Licensed Master Electrician
Solar Design Engineer
303 505-8760

On 8/16/2016 1:16 PM, Howard Arey wrote:
>
> Answers to all:
>
> No =E2=80=93 I did not measure voltage at the house. Right now, only an=20
> assumption of voltage drop based on my perception of what =E2=80=9Ctypica=
l=E2=80=9D=20
> loads might be on this 150-amp service. I wasn=E2=80=99t expecting to see=
 such=20
> small wires for such a long run from transformer to house when I=20
> showed up there without a voltmeter. He is a heavy user, using 6,000=20
> kwh in some months
>
> We=E2=80=99re looking at a 20KW system (he has some other expansion=20
> requirements, he has the roof space, and the need.) I roughly estimate=20
> that he=E2=80=99ll use onsite 40-50 amps of the 82 amps at peak inverter =
power=20
> output.
>
> Interesting to hear of one transformer response and hope to learn more=20
> on that, too.
>
> *Howard =E2=80=9CScot=E2=80=9D Arey*
>
> Owner, Solar CenTex
>
> 254-300-1228
>
> scot.arey at solarcentex.com
>
> www.solarcentex.com <http://www.solarcentex.com/>
>
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>
> Rated #1 Solar Installer in Texas by Solar Reviews=20
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wer-contractors-2016/texas/>__
>
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