[RE-wrenches] Rectifier

[Kirpal]

Hey Mac.....If you were to install an Outback Radian with a max of 50A pass
thru capability on a single inverter you could use your existing 4/0AWG
wire size  and only have a 2.4% voltage drop.  You could run a PV system
and inverter and only tap into the grid connection when PV alone wasn't
sufficient.  The voltage drop would be well with in tolerance and only
pertinent when using the AC power source.  Essentially an off grid system
with the grid available as a supplemental charging source instead of a
noisy smelly generator, which of course you could add if needed as well for
times when grid fails.

Sunny Regards,
Kirpal Khalsa
Oregon LRT#25
NABCEP Certified PV Installation Professional
Oregon Solarworks LLC
www.oregonsolarworks.com
541-299-0402


On Fri, Apr 17, 2020 at 6:15 AM Mac Lewis <maclewis1 at gmail.com> wrote:

> Hi wrenches,
>
> I've got a architect client with a sub-optimal power situation on one of
> the projects he is working on.  I'm running through a couple of scenarios
> that may work.  Its a ADU (accessory dwelling unit) that is about 1100'
> from power.  The farmer had taken it upon himself to bury some 4/0 a few
> years ago to run power out there.  Voltage drop is the big issue and its
> not going to pass the AHJ inspection.  We could just ditch the grid and go
> off-grid, but it seems like a shame to not tap into the grid resource.
> Instead of dealing with the voltage drop, I was thinking it may make sense
> to rectify that low AC voltage input and parallel a smallish battery bank
> (size is yet to be determined), then use an off-grid inverter to serve the
> loads at good voltage.
>
> I am looking for feedback on this concept.  What do you think?
>
> Also, are there any recommendations for good quality rectifiers with wide
> input voltage window?
>
> Thanks in advance for your help
>
> --
>
>
>
> Mac Lewis
>
> *"Yo solo sé que no sé nada." -Sócrates*
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