The Last large system I worked on we used direct burial alum 750s. We had a large crew out that day to help with that wire pull, it was 1000'. Eventually the backhoe that dug the trench was used to help pull the wires (slowly!). I guess I'd do it that way again but I don't have lots of experience with large systems like others might.
Jesse Dahl NABCEP PV Installation Professional IBEW Local 292 - Electrician Electrical/Solar PV Instructor - HCC Sent from my iPhone > On Sep 28, 2016, at 6:32 PM, Corey Shalanski <co...@joule-energy.com> wrote: > > We're in the process of designing our first >1MW system. It will include > inverter output combiner panels (potential aggregate current >700A) located > approx 100' from the system disconnects. > > Since we have never previously dealt with wires this big (2 sets of > paralleled 500 mcm?) we are thinking that direct burial (aluminum) conductors > might be a good option - any suggestions? What wiring method do others use > for this type of large ampacity AC circuit? UF? USE? USE-2? Other?.. > > -- > Corey Shalanski > Joule Energy > New Orleans, LA > > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: RE-wrenches@lists.re-wrenches.org > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org >
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