[RE-wrenches] Powerwall 3 (contd)

[Vincent Jolissaint]

(sorry sent the previous reply before it was complete)
Hi Jason,

Currently Tesla doesn't allow any totally off-grid installations with PW3
or PW3, they used to support this through the Gateway but no longer do.

In addition, the Powerwall 3 will require at least a single MCI per string
to pass the self test function. This also limits the total string loop
length from MPPT+ to MPPT-.

Powerwall 3 does contain the site controller, but it will require some
islanding contactor to function properly.

*Vince Jolissaint |* *Director of CAD Services*

2557 Wyandotte Street | Mountain View, CA  94043
Office: 650.938.9574 | Email: vincentj at cobaltpower.com

>From: Jason Szumlanski <jason at floridasolardesigngroup.com>
>To: RE-wrenches <re-wrenches at lists.re-wrenches.org>
>Subject: [RE-wrenches] Powerwall 3
>Message-ID:
 >       <CAE438R9LWo_VNuTTkOzVbv62LST3_Bf4-x7VfLm=-Rkk6k+wJw at mail.gmail.com
>
>Content-Type: text/plain; charset="utf-8"

>Certified Powerwall installers,

>Can the PW3 be commissioned for for a completely off-grid system with DC
>coupled solar panels with no MCIs. If so, do you need a Gateway 2/3, or can
>it operate autonomously in this scenario without a Gateway?
>
>Jason Szumlanski
>Florida Solar Design Group
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