Aluminum wire……. > On Jan 10, 2022, at 2:53 PM, August Goers <[email protected]> wrote: > > 3600 feet is 0.68 miles. That's a long distance. I totally agree with Ray's > suggestion that a second system is probably a better option. > > August > > > On Mon, Jan 10, 2022 at 11:49 AM Tump <[email protected] <mailto:[email protected]>> > wrote: > Hey this is exactly everything I was going to say. Ahh the new owner, the > dentist he’s a real piece of work. You got your spring vacation, on him, you > got paid and now you want to go back? Hummm lets see installation for a MR. > know it all, 500+ miles from home and you’re now going to use a transformer > AND all wire on an island in salt water. Wow must be some good smoke. Dan YOU > KNOW BETTER! >> On Jan 10, 2022, at 8:37 AM, Pieter Huebner <[email protected] >> <mailto:[email protected]>> wrote: >> >> It sounds like you are working on an Island near Jones port Maine ( Norton >> Island). The site had or has a Bergey 7.5kw XL-R wind turbine, on a tilt >> tower which is almost impossible to tilt, a solar array on a stacked log >> tower, Kubota generator, flooded cell lead acid batteries and Outback >> Inverters. Your assessment of the system is 100% correct, bad workmanship, >> and little or no maintenance. The original design was poorly thought out as >> well. The poor workmanship was not limited to the energy system, the >> electrical infrastructure had issues as well. The original installer was in >> way over his head. I have been to that site at the bequest of the original >> owner to repair the wind turbine years ago. >> My suggestion is that you evaluate the existing equipment >> and infrastructure, and salvage what you can then start with a fresh sheet >> of paper. The electrical loads need to be mapped, for example the original >> owner had a hot tub at the main house. >> The site would lend itself well to a micro grid system. if you like we can >> have long discussions about this site and I will be happy to share what I >> know about it as well as share my experiences with AC and DC distribution >> for off grid sites. >> Pieter >> >> <image001.png> >> >> From: RE-wrenches <[email protected] >> <mailto:[email protected]>> On Behalf Of Foxfire >> Energy >> Sent: Monday, January 10, 2022 5:35 AM >> To: [email protected] >> <mailto:[email protected]> >> Subject: [RE-wrenches] Transmitting 15kW 3600ft Off Grid. >> >> Hi Guys, Got a good one for you.. We were tasked to refurbish a Stand Alone >> (aka Off Grid) power system on a 100 acre private resort island off the New >> England coast a few years back.. The system has a 12kW(AC)/ 48VDC power >> center (@120/240VAC) with a 10kW Bergey wind turbine, 3kW of Solar and a >> 12kW Diesel Generator.. It currently powers two main lodges and 10 private >> cabins.. The system was never installed properly and had significant damage >> when we got there (no system ground, evidence of several lightening strikes, >> open/corroded connections, and poor workmanship in general) >> The new owners want to build a third lodge at the other end of the island.. >> Some 3600ft away, and want to feed full power from the existing system to >> the new lodge.. Thing is, the new owner is pretty brainy (keeps me on my >> toes).. My first thought was to bump the 120/240VAC up to 480VAC and send it >> on like 4/0AL and back down to 120/240VAC at the new lodge (we've done it >> before).. The new owner wants to launder the AC to DC and back for >> transmission.. Says DC for transmission is the new Cats Pajamas because of >> the efficiency.. News to me.. Anyone have experience with DC for >> transmission? Again.. I'm shooting for 15kW (including 25% for continuous >> duty), 3600ft, 600V wire (but could go with a different wire) and a line >> loss under 5%. TIA db >> >> _______________________________________________ >> List sponsored by Redwood Alliance >> >> Pay optional member dues here: http://re-wrenches.org >> <http://re-wrenches.org/> >> >> List Address: [email protected] >> <mailto:[email protected]> >> >> Change listserver email address & settings: >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> <http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org> >> >> There are two list archives for searching. When one doesn't work, try the >> other: >> https://www.mail-archive.com/[email protected]/ >> <https://www.mail-archive.com/[email protected]/> >> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org >> <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org> >> >> List rules & etiquette: >> http://www.re-wrenches.org/etiquette.htm >> <http://www.re-wrenches.org/etiquette.htm> >> >> Check out or update participant bios: >> http://www.members.re-wrenches.org <http://www.members.re-wrenches.org/> >> Tump <>[email protected] <mailto:[email protected]> www.SWNL.net <> >> Solarwinds Northernlights >> Serving Mid Coast Maine & Northern California >> 207-832-7574 Cl. 610-517-8401 >> >> Blair "TUMP" May >> ******** MAINE'S CHARTER ******** >> NABCEP "Certified PV Installer" >> >> ******** MAINE'S CHARTER ******** >> Trace Xantrex "Certified" Dealer / Installer" >> > > > > _______________________________________________ > List sponsored by Redwood Alliance > > Pay optional member dues here: http://re-wrenches.org > <http://re-wrenches.org/> > > List Address: [email protected] > <mailto:[email protected]> > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > <http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org> > > There are two list archives for searching. When one doesn't work, try the > other: > https://www.mail-archive.com/[email protected]/ > <https://www.mail-archive.com/[email protected]/> > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org> > > List rules & etiquette: > http://www.re-wrenches.org/etiquette.htm > <http://www.re-wrenches.org/etiquette.htm> > > Check out or update participant bios: > http://www.members.re-wrenches.org <http://www.members.re-wrenches.org/> > > _______________________________________________ > List sponsored by Redwood Alliance > > Pay optional member dues here: http://re-wrenches.org > > List Address: [email protected] > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > There are two list archives for searching. When one doesn't work, try the > other: > https://www.mail-archive.com/[email protected]/ > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > http://www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > http://www.members.re-wrenches.org >
> Tump > <blocked::mailto:[email protected]%22%20%5Co%20%22blocked::mailto:[email protected]>[email protected] > www.SWNL.net > <blocked::http://www.swnl.net/%22%20%5Co%20%22blocked::http://www.swnl.net/> > Solarwinds Northernlights > Serving Mid Coast Maine & Northern California > 207-832-7574 Cl. 610-517-8401 > > Blair "TUMP" May > ******** MAINE'S CHARTER ******** > NABCEP "Certified PV Installer" > > ******** MAINE'S CHARTER ******** > Trace Xantrex "Certified" Dealer / Installer" >
_______________________________________________ List sponsored by Redwood Alliance Pay optional member dues here: http://re-wrenches.org List Address: [email protected] Change listserver email address & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org There are two list archives for searching. When one doesn't work, try the other: https://www.mail-archive.com/[email protected]/ http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: http://www.re-wrenches.org/etiquette.htm Check out or update participant bios: http://www.members.re-wrenches.org
