How about this http://www.nassauelectrical.com/products/teck-cable-armored-with-pvc-jacket/teck-90-armoured-power-single-conductor-1000v-xlpe-pvc-aia-pvc
On Tue, May 17, 2016 at 6:52 PM, Howard Arey <[email protected]> wrote: > Good day, wrenches. > > > > I am installing four dual axis trackers totaling 52KW (13KW per) to four > individual Fronius Primo 12.5 Primo’s. We’ve done this setup before except > this time, we’ll mount the inverter at the meter instead of carrying > inverting at the tracker and carrying 240 volt over a 300+ foot ground run > for the four combined trackers. And to the heart of this question, we’ll > run under 1,000 volt rules for this commercial ranch setup. Goal is to user > higher voltages and minimize amps running through conductors. > > > > So my project is: > > > > 4 each 13KW trackers > > Each tracker is 3 strings of 14 modules and about 705Voc and 520 Vmp. This > combined 3-string output for each tracker will have Isc of 8.89 x 3 = apc > 27 amps > > We’ll pull each set of tracker conductors (4 trackers, plus one more run > for a 5th tracker) so 10 +/- conductors. I’ve done the necessary > conditions of use derates. > > > > The big question is what would you select as this 1,000 volt rated wire > for conduit covered installation? PV Wire will get mighty expensive and I > don’t even know if I’ll find in 4AWG. > > > > I ran into this one time before and we just did multiple strings to keep > in the 600volt category but I don’t want to do here because that means I > double the number of conductors (and go from 3200 to 6400 feet of > wire…String math and MPP ranges keep me at strings of 14. > > > > I want to centrally mount the inverters instead of one at each tracker for > looks and reduce 240 wire sizing. > > > > What type cable would you use? > > > > *Howard “Scot” Arey* > > Owner, Solar CenTex > > 254-300-1228 > > [email protected] > > > > www.solarcentex.com > > https://www.facebook.com/SolarCentex > > http://www.solarreviews.com/installers/solar-centex-reviews/ > > > > [image: Solar Centex Logo - No Back.png 10 percent resize] > > > > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: [email protected] > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://www.mail-archive.com/[email protected]/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org > > > -- Chris Mason NABCEP Certified Solar PV Installer™ Solar Design Engineer Generac Generators Industrial technician www.cometsolar.com <http://www.cometenergysystems.com> 264.235.5670 869.662.5670 Skype: netconcepts
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