The 2 Skybox inverters I installed both were based on soft start water pumps (grundfos) and a soft start air compressor for the garage. It cost more to replace the electric dryer and water heater than the solar. The owners then had a home that could run off Skybox or a small genset. These were both for Cal Fire guy's. They knew what they did not want from experience. I just helped them get there.
Dave Angelini Offgrid Solar "we go where powerlines don't" http://members.sti.net/offgridsolar/ [1] e-mail [email protected] [2] text 209 813 0060 On Wed, 6 May 2020 18:35:44 -0700, Jay wrote: 5 kva max, no surge regardless of use. A rather large shortcoming for a battery inverter. I'm guessing they were thinking more of battery sell mode vs powering loads directly, but just a guess. Jay Peltz power On May 6, 2020, at 6:31 PM, Dave Tedeyan wrote: Is the 5kw limit and no surge capacity for the backed up AC loads only when operating off grid? If you occasionally trip a breaker during the relatively rare times when the grid is out (around here at least) it is not such a big deal. But if you had to deal with that daily, you would have to be way more conservative as to what loads are allowed to be backed up. Also, is there an inverter bypass built into the BOS enclosure, or do you need to wire up a separate one in case of inverter failure. Cheers, Dave DAVE TEDEYAN, PE Senior Engineer | Taitem Engineering, PC 110 South Albany Street | Ithaca, NY 14850 o. 607.277.1118 x121 f. 607.277.2119 www.taitem.com [3] Solar * Sustainability * Energy * Design Certified B-Corporation since 2013 On Mon, May 4, 2020 at 8:24 PM wrote: I'm finding the SkyBox to be reliable hardware, if you don't need big surge capability. But the software is still in flux. I have had to reject software updates that froze the system, going back to the previous version to bring it back again. One issue is that AC coupling does not work with multiple Skyboxen, unlike with older Radians. Another huge problem that seems to be software related is that dual SkyBoxen with different sized solar arrays discharge their battery banks at different rates. This becomes an issue in multiple day grid outages like we now expect in north CA fire season. You'd think the SkyBox master-slave relationship would allow them to coordinate, but this causes the one with a smaller solar array to run down it's battery sooner, faulting the system causing a complete shutdown of both SkyBoxen. OutBack says they are not fixing this, so I'm looking at SolArk for systems larger than 5 kW. Don Barch Energy Solar -------- Original Message -------- Subject: RE-wrenches Digest, Vol 13, Issue 124 From: [email protected] [5] Date: Mon, May 04, 2020 2:40 pm To: [email protected] [6] Send RE-wrenches mailing list submissions to [email protected] [7] To subscribe or unsubscribe via the World Wide Web, visit http://lists.re-wrenches.org/listinfo.cgi/re-wrenches-re-wrenches.org [8] or, via email, send a message with subject or body 'help' to [email protected] [9] You can reach the person managing the list at [email protected] [10] When replying, please edit your Subject line so it is more specific than "Re: Contents of RE-wrenches digest..." When responding to posts within the Digest, be sure to restore the Subject: line to the original, and please edit out any extraneous lines from the quoted message. Today's Topics: 1. Skybox (Dave Tedeyan) 2. Re: Skybox (Jerry Shafer) 3. Re: Skybox (jay) 4. Re: Skybox ([email protected] [11]) ---------------------------------------------------------------------- Message: 1 Date: Sun, 3 May 2020 21:32:38 -0400 From: Dave Tedeyan To: RE-wrenches Subject: [RE-wrenches] Skybox Message-ID: Content-Type: text/plain; charset="utf-8" Hi All, Does anyone have experience using Outback's Skybox inverter? I have someone interested and am curious to hear if people have had luck with them and if they are reliable. Also, I've been seeing promo material for Fronius' Gen 24 Plus inverter, which looks like it fills the same niche. Are those even available for purchase yet? If so, does anyone have experience with these? Cheers, Dave *Dave Tedeyan, PE* Senior Engineer | Taitem Engineering, PC 110 South Albany Street | Ithaca, NY 14850 o. *607.277.1118 x121* f. 607.277.2119 www.taitem.com [15] Solar ? Sustainability ? Energy ? Design Certified B-Corporation since 2013 -------------- next part -------------- An HTML attachment was scrubbed... URL: someone interested and am curious to hear if people have had luck with them > and if they are reliable. > > Also, I've been seeing promo material for Fronius' Gen 24 Plus inverter, > which looks like it fills the same niche. Are those even available for > purchase yet? If so, does anyone have experience with these? > > Cheers, > Dave > > *Dave Tedeyan, PE* > Senior Engineer | Taitem Engineering, PC > > 110 South Albany Street | Ithaca, NY 14850 > o. *607.277.1118 x121* f. 607.277.2119 > www.taitem.com [21] > > Solar ? Sustainability ? Energy ? Design > Certified B-Corporation since 2013 > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: [email protected] [22] > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org [23] > > List-Archive: > http://www.mail-archive.com/[email protected]/maillist.html [24] > > List rules charset="utf-8" HI Dave, The reason I?ve not used it, is that is has no surge. You might also look at the Sol Ark Jay Peltz Power > On May 3, 2020, at 6:32 PM, Dave Tedeyan wrote: > > Hi All, > > Does anyone have experience using Outback's Skybox inverter? I have someone interested and am curious to hear if people have had luck with them and if they are reliable. > > Also, I've been seeing promo material for Fronius' Gen 24 Plus inverter, which looks like it fills the same niche. Are those even available for purchase yet? If so, does anyone have experience with these? > > Cheers, > Dave > > Dave Tedeyan, PE > Senior Engineer | Taitem Engineering, PC > > 110 South Albany Street | Ithaca, NY 14850 > o. 607.277.1118 x121 f. 607.277.2119 > www.taitem.com [32] > > Solar ? Sustainability ? Energy ? Design > Certified B-Corporation since 2013 > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: [email protected] [34] > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org [35] > > List-Archive: http://www.mail-archive.com/[email protected]/maillist.html [36] > > List rules charset=iso-8859-1 I second Jay's suggestion to look at the SolArk. The 8kW has no battery disconnect, but the 12 kW has one, if you're using non-lithium based batteries. Daryl Penobscot Solar Design > HI Dave, > > The reason I???ve not used it, is that is has no surge. > > You might also look at the Sol Ark > > Jay > Peltz Power > >> On May 3, 2020, at 6:32 PM, Dave Tedeyan wrote: >> >> Hi All, >> >> Does anyone have experience using Outback's Skybox inverter? I have >> someone interested and am curious to hear if people have had luck with >> them and if they are reliable. >> >> Also, I've been seeing promo material for Fronius' Gen 24 Plus inverter, >> which looks like it fills the same niche. Are those even available for >> purchase yet? If so, does anyone have experience with these? >> >> Cheers, >> Dave >> >> Dave Tedeyan, PE >> Senior Engineer | Taitem Engineering, PC >> >> 110 South Albany Street | Ithaca, NY 14850 >> o. 607.277.1118 x121 f. 607.277.2119 >> www.taitem.com [44] >> >> Solar ??? Sustainability ??? Energy ??? 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