[RE-wrenches] 600Vdc Transfer Switch Between Charge Controller and GT Inverter

[Jeff Clearwater]

Hey Matt,

See Morningstar's

TS-MPPT-60-600V-48-DB-TR

https://www.morningstarcorp.com/products/tristar-mppt-600v/

Hope that helps!

Jeff

~~~~~~~~~~~
Jeff Clearwater
Village Power Design
linkedin <https://www.linkedin.com/in/jeff-clearwater-0622a312/>
www.villagepowerdesign.com <http://www.villagepowerdesign.com>
cell - 413-559-9763
~~~~~~~~~~~~~~~~~~~~~~~

Matt Sherald wrote on 10/22/19 9:07 AM:

> Hi All,
>
> I've been asked to review a GT-BBUS that was installed with a DC to AC 
> ratio of 2.14. The system owner is frustrated b/c his 9.2-kW of PV  is 
> bottlenecked by an 80A MPPT (~4,300W).  The inverter is a XW-5548 so 
> there is a second bottleneck to overcome even if an additional CC were 
> added.
>
> My inclination is to install a GT inverter for half the array and make 
> a separate point of connection.  I have considered adding a transfer 
> switch on the PV conductors to allow the owner to toggle between this 
> new GT inverter and the existing CC.  I thought that having the option 
> would be of benefit during extended outages with little sun.
>
> I'd be curious to know if anyone has had to solve a problem similar to 
> this one and if they were able to find a suitable switch.  To-date, I 
> have not located a good transfer switch or breaker assembly with 
> handle-tie etc...  Any thoughts are greatly appreciated.
>
> -- 
> Matt Sherald
> PIMBY Energy, LLC
> NABCEP Certified Solar PV Installer®
> 304-704-5943
>
> www.getpimby.blogspot.com <http://www.getpimby.blogspot.com>
> www.getpimby.com <http://www.getpimby.com>
>
>
>
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-- 
~~~~~~~~~~~
Jeff Clearwater
Village Power Design
linkedin <https://www.linkedin.com/in/jeff-clearwater-0622a312/>
www.villagepowerdesign.com <http://www.villagepowerdesign.com>
cell - 413-559-9763
~~~~~~~~~~~~~~~~~~~~~~~
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