A more recent spec sheet shows the MPPT window starting at 200v instead of 250v, which is a significant improvement.
Brad On Tue, Sep 25, 2018 at 2:41 PM Dave Angelini Offgrid Solar < offgridso...@sti.net> wrote: > AEE had a training course webinar. The screenshot is from them and they > say October... > > On Tue, 25 Sep 2018 11:49:10 -0700, Jay <jay.pe...@gmail.com> wrote: > > Hi all > > > > What is the news on the skybox? > > > > Last I checked it was still MIA > > > > Jay > > > > > > > >> On Sep 25, 2018, at 9:13 AM, Jeff Clearwater > >> <je...@villagepowerdesign.com> wrote: > >> > >> Hi Dave and All. > >> > >> Reasons for HV batteries off grid? > >> > >> 1) Smaller cable size (I just did an 18 Kw off grid with 4 SIs and the > >> cable costs alone were in the order of $400) and increased flexibility > >> locating batteries and inverter. 10 AWG plug and play. > >> > >> 2) Higher efficiencies. Easy integration on the DC bus. > >> > >> 3) Integration with GTBB battery tech and systems. Why have two > >> standards and two sets of equipment? The line between Off Grid and > GTBB > >> will blur as more GT customers want more storage and more Off-grid > >> customers want the option of grid hookup at some point. For > developing > >> countries as off grid micro grids grow they can merge. > >> > >> 4). Integration with Electric Vehicles as storage for either GTBB or > >> Off-Grid - can integrate on the DC bus seamlessly. > >> > >> These are the reasons that seem obvious to me. I’d be surprised if the > >> manufacturers are not thinking this way. Though you may be right as I > was > >> surprised that Outback went 48V with the Skybox. And it’s been a hard > >> sell to get SMA to support US off-grid. If the equipment could do both > >> seamlessly they would have more market. > >> > >> And High Voltage safety is not really an issue with proper (standard > >> electrician) training and as the only electrician or customer interface > >> is a plug or set of small non-energized terminals. Having high voltage > DC > >> in you car is more dangerous. House fires are caused by amperage leaks > >> (much higher in Low V) (and shorted PB-acid) way more than voltage > leaks. > >> > >> > >> I’m off to SPI. I’ll ask them . . From what I understand Pika is > heading > >> that direction. I imagine Powerwall too if they ever decide to support > >> off-grid. > >> > >> Best > >> > >> Jeff > >> > >> > >> > >> > >> > >> > >> > >> > >> > >> > >> > >> > >> > > _______________________________________________ > > 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 > > -- > Dave Angelini Offgrid Solar > "we go where powerlines don't" > http://members.sti.net/offgridsolar/ > e-mail offgridso...@sti.net > text 209 813 0060_______________________________________________ > 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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