Darryl, Exeltech makes 60 kW three-phase off-grid inverters. Contact me off-list.
Dan Sr. Engineer Exeltech --- On Fri, 8/12/11, penobscotso...@midmaine.com <penobscotso...@midmaine.com> wrote: > From: penobscotso...@midmaine.com <penobscotso...@midmaine.com> > Subject: [RE-wrenches] Large, off grid > To: "RE-wrenches" <re-wrenches@lists.re-wrenches.org> > Date: Friday, August 12, 2011, 10:42 AM > Hello wrenches, > We have an opportunity to install a very large (60 kw) > off grid system in Mexico. It is currently three phase. > I do have the option of changing out the air conditioners > (36 of them) to 120 single phase, but it is an added layer > of complexity/cost that it would be nice to avoid. > > The largest off grid system I've done is 21 kw so far, and > it was single phase and fairly straightforward. > > Does anyone know of a three phase, off grid inverter than > can be paralleled for 500 (possibly 450) amps oputput. > I am currently dealing with three 120 volt lines (2/0) and > a neutral, running to a transformer to "clean up" the power > from the gennie a bit. The client is determined to do this > as he has spent about $500,000.00 USD in diesel over the > last 5 years.I would very much like to get that transformer > out of the picture... > > I am well versed in the complexities/pitfalls of battery > systems this large. I'm planning on using the Surrette YS-31 > series to minimize the footprint, as well as use Water Miser > caps and install three separate deionizing water systems. My > issue is the inverters. I have seen a Korean inverter, > Sunsine (http://www.dongeiecos.com/) that is capable of this, > but I am not sure I want my first install of this inverter to > be 3000 miles away.... > > Anyone? > > Thanks, > Daryl DeJoy > NABCEP Certified PV installer > Penobscot Solar Design _______________________________________________ List sponsored by Home Power magazine List Address: RE-wrenches@lists.re-wrenches.org Options & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org List-Archive: http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: www.re-wrenches.org/etiquette.htm Check out participant bios: www.members.re-wrenches.org
