SMA Sunny Island three phase multi clustering [RE-wrenches]

[Mark Frye]

Could it be the same reason that I went to OB instead of Xant when I 
needed a large multiple inverter system...not being able to coordinate 
the individual charge controllers?  OB sets a master inverter/charge 
which defines the charge control functions, the other inverter/chargers 
are slaved to those settings, avoiding the situation where one 
inverter/charger is charging when another is inverting.

I wonder if this same level of coordination is available with the SMA, 
it certainly was not available with the Xant.


Larry Crutcher, Starlight Solar wrote:
> 
> SMA tells me that I can not use a common battery bank when multi 
> clustering SI inverters for three-phase operation. Why is this so? How 
> will the inverters know?
> 
> The battery bank is 4 strings of Rolls 2YS31PS for 9720AH @ C20. The 
> reason I want one bank is to have all PV power available to all 
> batteries. Otherwise I must split up the PV into 4 systems. Any 
> suggestions?
> 
> As always, thanks to a great group of wrenches.
> 
> Larry Crutcher
> Starlight Solar
> Yuma, AZ
> Renewable Energy Products Powered by STARLIGHT



Berkeley Solar Electric Systems


- - - -
Hosted by Home Power magazine

To send a message: RE-wrenches at topica.com

Archive of previous messages: http://lists.topica.com/lists/RE-wrenches/read

List rules & how to change your email address: www.mrsharkey.com/wrenches/etiquette.php

Check out participant bios: www.mrsharkey.com/wrenches/

Moderator: michael.welch at homepower.com
--^----------------------------------------------------------------
This email was sent to: michael.welch at re-wrenches.org

EASY UNSUBSCRIBE click here: http://topica.com/u/?bz8Qcs.bz9JC9.bWljaGFl
Or send an email to: RE-wrenches-unsubscribe at topica.com

For Topica's complete suite of email marketing solutions visit:
http://www.topica.com/?p=TEXFOOTER
--^----------------------------------------------------------------