Hi Mark, Then the relay method is easy and reliable to use.
Relay trips at whatever battery voltage you don’t want to exceed. I use a solid state relay with a good heat sink, only switching one leg. Jay > On Jun 13, 2020, at 7:05 AM, Mark Frye <ma...@berkeleysolar.com> wrote: > > > On. > >> On 6/12/2020 7:27 PM, Jay wrote: >> Hi Mark >> >> Is this off grid or on? >> >> Jay >> >>> On Jun 12, 2020, at 7:09 PM, Mark Frye <ma...@berkeleysolar.com> wrote: >>> >>> >>> I see. >>> >>> What you say about the frequency shift being slow makes me again doubt the >>> value of even using it in my application. >>> >>> I have a controller that can regulate the AC dump load. That same >>> controller has a high limit switch which I could use to cut the AC feed to >>> the GT inverters. But then both functions are in the same device. On the >>> other hand, it is a very reliable device so....perhaps sufficient. >>> >>> On 6/12/2020 6:37 PM, Bradley Bassett wrote: >>>> I have a relay on the XW+ Aux and also frequency shift which is usually >>>> slower, so the relay usually cuts out first. I also have a DC coupled >>>> array feeding the system. >>>> >>>> Brad >>>> >>>> On Fri, Jun 12, 2020 at 4:34 PM Mark Frye <ma...@berkeleysolar.com> wrote: >>>>> Yes an elite group within an elite group. >>>>> >>>>> So the SB240 does not have frequency shift /wattage control. How are you >>>>> implementing charge control in stand alone mode? >>>>> >>>>>> On 6/12/2020 4:28 PM, Bradley Bassett wrote: >>>>>> Wow! Someone else with SMA SB240's, I have 12 of them that I've AC >>>>>> coupled to an XW+5548. They are very solid performers. >>>>>> >>>>>> Brad >>>>>> AEE Solar >>>>>> >>>>>> On Fri, Jun 12, 2020 at 3:39 PM Mark Frye <ma...@berkeleysolar.com> >>>>>> wrote: >>>>>>> Hello, >>>>>>> >>>>>>> I have a small array of 8 - SMA SB240 microinverters on the roof. Peak >>>>>>> power out of the array has never exceeded 1800 W. >>>>>>> >>>>>>> I am adding a Magnum MS-PAE 4448 with a 315 AH flooded Lead Calcium >>>>>>> battery bank. >>>>>>> >>>>>>> Cheers >>>>>>> >>>>>>> On 6/12/2020 12:31 PM, Chris Schaefer wrote: >>>>>>> > G'Day Mark, >>>>>>> > >>>>>>> > Which grid tied inverter are you attempting to AC couple with. I >>>>>>> > apologize if you already called it out in the thread. >>>>>>> > >>>>>>> > Christopher >>>>>>> _______________________________________________ >>>>>>> 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 >>>>> >>>> >>>> >>>> _______________________________________________ >>>> 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 >> > _______________________________________________ > 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
