I heard there were come kinks in the new XW getting them to play well together. I understand it's 2 units in a single case and there are some problems with the idea. Can't remember think it was at the fair in PA. that someone mentioned it but it could have been elsewhere.
I have learned to hate the bleeding edge! Bob Ellison -----Original Message----- From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Dan Fink Sent: Sunday, October 02, 2011 1:37 PM To: penobscotso...@midmaine.com Cc: RE-wrenches Subject: Re: [RE-wrenches] Invert first? Brand new, and it is shipping now. XW-MPPT80-600. It certainly raised my eyebrows. But it's so new that I don't know of anyone who has installed one yet. Dan Fink Executive Director; Buckville Energy Consulting Buckville Publications LLC NABCEP / IREC / ISPQ accredited Continuing Education Providers http://www.buckville.com/ i...@buckville.com 970.672.4342 (voicemail) 970.373.1311 (fax) penobscotso...@midmaine.com wrote: > Dan, > Is the Xantrex controller available/released yet? I've used the Classic > 250 and the Apollo HV but have yet to see/use a Xantrex 600 Voc > controller.....will anyone who has used one chime in and share their > experience ? > > > >> Hi Eric; >> >> I'll be very interested to hear what others on this list who have far >> more experience than me in large systems have to say about this. >> >> But my first thought is, go DC. The new Xantrex XW high voltage MPPT >> charge controller will take up to 600 Voc from PV and put it into a >> standard battery bank, that roughly puts you realistically at just 30 >> amps in your DC lines. >> >> How were you planning to invert to AC at the PV array? Enphase etc? How >> do you do battery backup with an Enphase system (I have no idea, but am >> eager to learn from others here)? Any standard islanding grid-tie >> inverter will need to be right next to the battery bank. >> >> Dan Fink >> Executive Director; >> Buckville Energy Consulting >> Buckville Publications LLC >> NABCEP / IREC / ISPQ accredited Continuing Education Providers >> http://www.buckville.com/ >> i...@buckville.com >> 970.672.4342 (voicemail) >> 970.373.1311 (fax) >> >> >> >> Eric Thomas wrote: >>> Wrenches, >>> >>> We are designing a super high end grid-tied w/ battery backup system for >>> a customer. Array will be ~15kW; pole or stand alone structure mounted; >>> 250' from home/batteries. My question is: does it make any sense to >>> invert the power at the array and use this ac to make the long run to >>> the batteries THEN connect to a typical battery charger rather than a dc >>> charge controller? Im mostly concerned with huge dc conductors making >>> this run across the property. Havent delved into the specific design >>> enough to size said conductors yet, or specify any equipment, but wanted >>> to know if im barking up the wrong tree ir not. >>> Thanks for the insight. >>> >>> Eric Thomas >>> Founder >>> Solar Epiphany LLC >>> NABCEP Certified PV Installer >>> WA Electrical Contractor # SOLAREL911NR >>> >>> >>> ------------------------------------------------------------------------ >>> >>> _______________________________________________ >>> 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 >>> >> _______________________________________________ >> 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 >> >> > > > _______________________________________________ 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 _______________________________________________ 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