<div dir="ltr">Hello Solar Folk,<div> </div><div>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? </div>
<div><br></div><div>Thank You Much,</div><div>Djibril </div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Mon, Jul 22, 2013 at 5:46 AM, Carl Adams <span dir="ltr"><<a href="mailto:swingjunkie@gmail.com" target="_blank">swingjunkie@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><br></div>Nick,<div><br></div><div>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. </div>
<div><br></div><div>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.</div><div><br></div><div>With Regards</div>
<div>Carl Adams</div><div>SunRock Solar<br><br><div class="gmail_quote">From: <b class="gmail_sendername">Nick Soleil</b> <span dir="ltr"><<a href="mailto:nsoleil@enphaseenergy.com" target="_blank">nsoleil@enphaseenergy.com</a>></span><br>
Date: Fri, Jul 19, 2013 at 9:45 PM<br>Subject: Fwd: [RE-wrenches] Fwd: SMA Secure Power Supply<br>To: Carl Adams <<a href="mailto:swingjunkie@gmail.com" target="_blank">swingjunkie@gmail.com</a>><br><br><br><div dir="ltr">
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.<br>
<div><br><div class="gmail_quote"><div><div>---------- Forwarded message ----------<br>From: <b class="gmail_sendername">Carl Adams</b> <span dir="ltr"><<a href="mailto:swingjunkie@gmail.com" target="_blank">swingjunkie@gmail.com</a>></span><br>
Date: Fri, Jul 19, 2013 at 12:48 PM<br>Subject: [RE-wrenches] Fwd: SMA Secure Power Supply<br>To: RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org" target="_blank">re-wrenches@lists.re-wrenches.org</a>><br>
<br><br><div dir="ltr">
<br><br><div class="gmail_quote"><div dir="ltr">Hello Wrenches,<div><br></div><div>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. </div>
<div><br></div><div>Here is what I have learned from reading up a bit.</div><div><br></div><div><div style="font-family:arial,sans-serif;font-size:13px">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.</div>
<div style="font-family:arial,sans-serif;font-size:13px"><br></div><div style="font-family:arial,sans-serif;font-size:13px">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.<br>
</div><div style="font-family:arial,sans-serif;font-size:13px"><br></div><div style="font-family:arial,sans-serif;font-size:13px">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.</div>
<div style="font-family:arial,sans-serif;font-size:13px"><br></div><div style="font-size:13px;font-family:arial,sans-serif"><br></div><div>Hope this is helpful, and again I'd like to here from those of you who have already deployed these units.</div>
<span><font color="#888888">
<span><font color="#888888">
<div><br></div><div>Carl Adams</div><div>SunRock Solar</div><div style="font-family:arial,sans-serif;font-size:13px"><br></div><div style="font-family:arial,sans-serif;font-size:13px"></div></font></span></font></span></div>
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