Ray, Have you heard bought about using the Aux relay to control the AC output at what ever voltage you want?
Jay > On Mar 22, 2020, at 3:13 PM, Ray <r...@solarray.com> wrote: > > > That's the whole point: we need the LBCO to be higher than 48v to catch the > beginning of that steep drop off, so that there is still enough reserve left > to keep the monitoring and solar charge controllers in operation, and avoid > the dreaded dark start. With Simpliphi, we don't have the dark start, but it > still requires manual reset. This isn't theoretical, we have been having > serious trouble with a system because of Schneider's inability to set the LVD > above 48 v. Also setting the voltage higher (lower DOD) extends the cycle > life of these batteries. Otherwise, I love the stable 51 volts of Li+, even > under load. > > Ray Walters > Remote Solar > 303 505-8760 >> On 3/22/20 4:15 PM, Jerry Shafer wrote: >> Wrenches >> Don't let the LBCU scare you as this battery has such a flat SOC line that >> when it falls off there is not much left in the tank. In addition set the >> flex net to low SOC at 15% and critical to 10%. >> >> On Sun, Mar 22, 2020, 12:15 PM Sindelar Solar <al...@sindelarsolar.com> >> wrote: >>> Specifically with Blue Ion, the installation manual recommends 48V as LBCO, >>> but also recommends setting it a bit higher: >>> >>> "Recommended Low Voltage Disconnect Setting: 48 VDC (~2-10% State of Charge) >>> BMU will power down the Blue Ion 2.0 cabinet at 44 VDC (<1% State of Charge) >>> Based on system discharge patterns, SoC and voltage correlations will vary. >>> We recommend you err on the side of caution with a higher LVD setting and >>> adjust as necessary. >>> To prevent a dark start event, we recommend leaving a little reserve “fuel >>> in the tank”." >>> >>> I have used 48VDC with success, and had one system indeed shut down at 44V, >>> leaving 1% left to reboot. >>> >>> Allan >>> >>>> On 3/22/2020 12:44 PM, Ray wrote: >>>> Blue Ion, and Simpliphi that I know of. >>>> >>>> Ray Walters >>>> Remote Solar >>>> 303 505-8760 >>>> On 3/21/20 2:48 PM, Dave Angelini Offgrid Solar wrote: >>>>> I see what you mean Ray. Sorry I misread your mail. There are not too >>>>> many batteries out there that need LBCO above 48V. Which ones are you >>>>> talking about please? >>>>> >>>>> Dave Angelini Offgrid Solar >>>>> >>>>> "we go where powerlines don't" >>>>> http://members.sti.net/offgridsolar/ >>>>> e-mail offgridso...@sti.net >>>>> text 209 813 0060 >>>>>> On Sat, 21 Mar 2020 11:18:21 -0700, Dave Angelini Offgrid Solar >>>>>> <offgridso...@sti.net> wrote: >>>>>> >>>>>> Hi Ray, >>>>>> >>>>>> Which XW? There are 3 now. The old graybox XW defaults at 44V LBCO and >>>>>> the range is 40 to 48V. There also was firmware back in its day that got >>>>>> older units updated. Schneider still has the firmware under discontinued >>>>>> products. >>>>>> >>>>>> XW+ is default 44V and adjustable 36 to 44 vdc. >>>>>> >>>>>> XW pro is running downstairs and I will take a look. It would be my >>>>>> guess that it is the same as XW+. I think one needs to be sure they are >>>>>> in Advanced settings to tweak LBCO also. >>>>>> >>>>>> I am not plugging Schneider and have done work for both Outback and >>>>>> Schneider as well as my clients. Hope this helps. >>>>>> >>>>>> Dave Angelini Offgrid Solar >>>>>> "we go where powerlines don't" >>>>>> http://members.sti.net/offgridsolar/ >>>>>> e-mail offgridso...@sti.net >>>>>> text 209 813 0060 >>>>>> On Sat, 21 Mar 2020 11:46:21 -0400, Ray <r...@solarray.com> wrote: >>>>>> >>>>>> We've been having good luck with SImpliphi, the pricing has recently >>>>>> gotten much more competitive. As it's names states, its simple. Each >>>>>> 3.8 kWh unit has an 80 amp breaker built into the top, weigh about 75 >>>>>> lbs, and are a bit smaller than an L16 but with carry handles. We use >>>>>> an insulated 2 pole combiner block to run all the parallel conductors to >>>>>> the main 2/0 cable. No monitoring, but they do have an handy setup >>>>>> guide with recommended settings, specific for each manufacturer >>>>>> (including Outback). >>>>>> >>>>>> Note to all: Schneider XW can still not set its LVD above 48, which >>>>>> basically makes it incompatible with most Li+ batteries. Their tech >>>>>> support has been abysmal as well. We're looking forward to them as one >>>>>> of the larger companies in the business, to put additional resources >>>>>> into their engineering, and come out with at least a firmware update to >>>>>> correct this problem. >>>>>> >>>>>> Ray Walters >>>>>> Remote Solar >>>>>> 303 505-8760 >>>>>> On 3/20/20 3:59 PM, David Katz wrote: >>>>>> Hello Wrenches, >>>>>> I am working with some people that want to use a 20 kw-hour to 30 >>>>>> kw-hour 48 volt lithium-ion battery with an Outback Radian and Outback >>>>>> FM charge controllers. >>>>>> They are considering using Discover, Blue-Ion, Battle Born or SimpliPhi >>>>>> batteries. >>>>>> Does any one have any recommendations of which battery functions best >>>>>> with the Outback system. >>>>>> Thanks, >>>>>> David Katz >>>>>> >>>>>> >>>>>> _______________________________________________ >>>>>> List sponsored by Redwood Alliance >>>>>> >>>>>> List Address: RE-wrenches@lists.re-wrenches.org >>>>>> >>>>>> Change listserver email address & settings: >>>>>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >>>>>> >>>>>> List-Archive: >>>>>> http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html >>>>>> >>>>>> List rules & etiquette: >>>>>> www.re-wrenches.org/etiquette.htm >>>>>> >>>>>> Check out or update participant bios: >>>>>> www.members.re-wrenches.org >>>>>> >>>>> >>>>> >>>>> _______________________________________________ >>>>> List sponsored by Redwood Alliance >>>>> >>>>> List Address: RE-wrenches@lists.re-wrenches.org >>>>> >>>>> Change listserver email address & settings: >>>>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >>>>> >>>>> List-Archive: >>>>> http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html >>>>> >>>>> List rules & etiquette: >>>>> www.re-wrenches.org/etiquette.htm >>>>> >>>>> Check out or update participant bios: >>>>> www.members.re-wrenches.org >>>>> >>>> >>>> >>>> _______________________________________________ >>>> List sponsored by Redwood Alliance >>>> >>>> List Address: RE-wrenches@lists.re-wrenches.org >>>> >>>> Change listserver email address & settings: >>>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >>>> >>>> List-Archive: >>>> http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html >>>> >>>> List rules & etiquette: >>>> www.re-wrenches.org/etiquette.htm >>>> >>>> Check out or update participant bios: >>>> www.members.re-wrenches.org >>>> >>> -- >>> Allan Sindelar >>> al...@sindelarsolar.com >>> NABCEP Certified PV Installation Professional >>> New Mexico EE98J Journeyman Electrician >>> Founder (Retired), Positive Energy, Inc. >>> 505 780-2738 cell >>> >>> >>> >>> _______________________________________________ >>> List sponsored by Redwood Alliance >>> >>> List Address: RE-wrenches@lists.re-wrenches.org >>> >>> Change listserver email address & settings: >>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >>> >>> List-Archive: >>> http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html >>> >>> List rules & etiquette: >>> www.re-wrenches.org/etiquette.htm >>> >>> Check out or update participant bios: >>> www.members.re-wrenches.org >>> >> >> >> _______________________________________________ >> List sponsored by Redwood Alliance >> >> List Address: RE-wrenches@lists.re-wrenches.org >> >> Change listserver email address & settings: >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> >> List-Archive: >> http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html >> >> List rules & etiquette: >> www.re-wrenches.org/etiquette.htm >> >> Check out or update participant bios: >> www.members.re-wrenches.org >> > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: RE-wrenches@lists.re-wrenches.org > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org >
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