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/ > [email protected] > 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: [email protected] >> >> 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: [email protected] > > 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: [email protected] 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
