Hello again Solar Folk, I just heard back from SMA tech support. Not possible. With no communication between inverters there is not way to sync the sine waves and keep it all "pretty." Alas. . .
Thanks again, Djibril On Mon, Jul 29, 2013 at 3:44 PM, James Gustafson <[email protected]>wrote: > Hello Solar Folk, > > I'm wondering if it is possible combine the secure power source outputs of > two SMA SBTL-22's in series to run a 240v load, like a small well pump. > Does anyone have any ideas about the feasibility of this concept? > > Thank You Much, > Djibril > > > On Mon, Jul 22, 2013 at 5:46 AM, Carl Adams <[email protected]> wrote: > >> >> Nick, >> >> I guess I don't see this as a weakness but rather operating as designed. >> If the design intent was to allow the grid tied solar array to provide a >> limited power source during a grid outage, during daylight hours, with no >> batteries required, it seems this hits the mark. >> >> I know these units went through some beta testing early this year, so I >> would still appreciate any feedback from any wrenches who have actually >> installed them. >> >> With Regards >> Carl Adams >> SunRock Solar >> >> From: Nick Soleil <[email protected]> >> Date: Fri, Jul 19, 2013 at 9:45 PM >> Subject: Fwd: [RE-wrenches] Fwd: SMA Secure Power Supply >> To: Carl Adams <[email protected]> >> >> >> I understand that is a good selling point, but the major weakness is that >> it won't work at night and only will provide the amount of power that is >> available from the sun, so not so good for stormy conditions. >> >> ---------- Forwarded message ---------- >> From: Carl Adams <[email protected]> >> Date: Fri, Jul 19, 2013 at 12:48 PM >> Subject: [RE-wrenches] Fwd: SMA Secure Power Supply >> To: RE-wrenches <[email protected]> >> >> >> >> >> Hello Wrenches, >> >> I'm considering the new SunnyBoy SB3,4,5000 TL-22-US inverters for >> upcoming projects. The new secure power supply feature seems like a good >> selling point. At this point I am most interested in field experience from >> those who have already installed these units. >> >> Here is what I have learned from reading up a bit. >> >> My initial impression was that the electrical switch and outlet shown in >> the tech bulletin, youtube video, and discussed in webinars I have seen, >> was an actual "hardware product option". This is not the case. It is >> functionality available in the unit as points of connection. The intent is >> for the installer to pickup the necessary switch and outlet at the local >> supply house and make the connections. >> >> One other thing I learned is that between early marketing and product >> availability the "functionality" name was changed from "Emergency Power >> Suppy (EPS)" to "Secure Power Supply (SPS)" due to NEC code issues. >> >> Another point of confusion for me was in reading the SB3k - 5kTL >> installation manual. In the manual, the discussion of the SPS uses the >> term "miniature circuit breaker". My initial thought was this reference >> was to the backfed circuit breaker for the inverter, or a separate circuit >> breaker integral to the inverter. Not the case, just bad translation from >> German to English. The reference, is to the off the shelf switch, the >> installer is to use to field install the SPS. >> >> >> Hope this is helpful, and again I'd like to here from those of you who >> have already deployed these units. >> >> Carl Adams >> SunRock Solar >> >> >> >> _______________________________________________ >> List sponsored by Home Power magazine >> >> List Address: [email protected] >> >> Change email address & 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 >> >> >> >> >> >> -- >> >> Cordially, >> >> *Nick Soleil* >> >> *Field Applications Engineer >> * >> >> *Enphase Energy* >> >> Mobile: (707) 321-2937 >> >> >> ** >> >> *Enphase Commercial Solar.* >> *Limitless.*<http://www.enphase.com/commercial?utm_source=email&utm_medium=sig&utm_campaign=Comm2012> >> >> * >> *<http://www.enphase.com/commercial?utm_source=email&utm_medium=sig&utm_campaign=Comm2012> >> >> 1420 North McDowell >> >> Petaluma, CA 94954 >> >> www.enphase.com <http://www.enphaseenergy.com/> >> >> P: (707) 763-4784 x7267 >> >> F: (707) 763-0784 >> >> E: [email protected] >> >> [image: nabcep logo] Certified Solar PV Installer #03262011-300 >> >> “Don’t get me wrong: I love nuclear energy! 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If you received this message in error, please contact the >> sender by reply email and destroy all copies of the original message. >> >> >> >> >> _______________________________________________ >> List sponsored by Home Power magazine >> >> List Address: [email protected] >> >> Change email address & 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 >> >> >> >
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