What would everyone do if all the conditions were the same except the winter temps could reach -60 F? There is not an inverter out there that can come close to handling these extreme temps.
Jesse Sent from my iPhone On Oct 3, 2011, at 3:58 PM, "Jeff Yago" <jry...@netscape.com> wrote: > We have designed and installed many systems like this and do not like running > high voltage DC long distances. We invert at the array and run 240 VAC to > the house. This means the array dis-connects match all the other AC > dis-connects and safety switches on the home's exteror that the utilities > and fire department are familiar with using when they need to dis-connect, > and AC dis-connects are less costly than the same size rated DC dis-conencts > you will need if you keep everything DC from the array. > > As mentioned in other replys, you will land this 240VAC output at the > critical loads panel downstream from a battery based inverter. I think you > will find that most grid-tie inverters will provide better performance in > selling back to grid. Have a battery-based inverter just "hang aroud" on > standby waiting for a power outage and keeping the batteries topped off. > Make sure your battery based inverter has way to prevent over-charging > batteries during a power outage when using the back feed solar power. Some > inverters do this by shifting the frequency to force the battery inverter to > drop off line while others have this as a program feature. > > Jeffrey Yago, pres. > DTI Solar Inc. > (p) 804-457-9566 > (f) 815 846-0677 > email - jry...@dtisolar.com > on the web - www.pvforyou.com > > > > _____________________________________________________________ > Netscape. Just the Net You Need. > _______________________________________________ > 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
