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
