[RE-wrenches] Rapid Shutdown Compliance

Tump tump at swnl.net
Tue May 5 08:35:51 EDT 2020


How about a SPDT switch, all one is doing is supplying AC voltage from the utility,  (powering the MLPE box's Ac to Dc converter) their utility or SSP from the SB’s utility. 
> On May 4, 2020, at 8:04 PM, <don at energysolarnow.com> <don at energysolarnow.com> wrote:
> 
> Many customers ask about keeping power alive when the grid is down. Besides battery backup, I advocate the Secure Power feature of SunnyBoy inverters.
> But the problem with MLPE is that it is incompatible with Secure Power. When the grid goes down the MLPE disconnect each solar module's DC feed. So when the Secure Power activation switch is thrown there is no DC to power it up, even if the Secure Power output is fed to the MLPE power feedin.
> So I have only been able to install SunnyBoy Secure Power on existing systems without Rapid Shutdown MLPE. 
> 
> Does anyone have a work around for this, short of installing a separate small battery backed inverter to keep the MLPE alive?
> 
> Don Barch
> Energy Solar
> _______________________________________________
> List sponsored by Redwood Alliance
> 
> List Address: RE-wrenches at 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
> 

> Tump at swnl.net <blocked::mailto:Tump at swnl.net%22%20%5Co%20%22blocked::mailto:Tump at swnl.net>               www.SWNL.net <blocked::http://www.swnl.net/%22%20%5Co%20%22blocked::http://www.swnl.net/>
>                 Solarwinds Northernlights       
>        Serving Mid Coast Maine & Northern California
>                          207-832-7574   Cl. 610-517-8401                              
>                               Blair "TUMP" May
>                ********  MAINE'S CHARTER ********
>                       NABCEP    "Certified PV Installer" 
>    
>               ********  MAINE'S CHARTER ********
>                   Trace Xantrex "Certified" Dealer / Installer"
> 


-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.re-wrenches.org/pipermail/re-wrenches_lists.re-wrenches.org/attachments/20200505/9cb0b4df/attachment.htm>


More information about the RE-Wrenches mailing list