Sunny Island [RE-wrenches]

[Damian de Caires]

Yeah I spoke to SMA and word is that the 5KW SI should be coming out soon, hopefully by the first quarter of next year.  The new features are that up to 8 units can be paralleled for 240V (4 on each leg) and it is also capable of 208 paralleling.  I did not think to ask max units parallel in 208, it probably will be 6 or 9, I would guess 6 since the max at 240 is 8.  As far as battery voltages I did not think to ask about that either.  I know the SI 4648 is capable of supporting up to 20 concorde 2580 batteries @ 48V wiring, and if you increase this to a 240 parallel version than .  The Island central (only available in Europe) which I think is available up to a 200KW version, uses battery banks at 200VDC, but I don't think that would fly with the NEC so most likely the larger

-----Original Message-----
From: Jeff Clearwater [mailto:clrwater at earthlink.net] 
Sent: Friday, October 27, 2006 10:34 AM
To: RE-wrenches at topica.com
Subject: Re: Sunny Island [RE-wrenches]

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Hey Carl,

I suspect you know that the European version of 
the Sunny Island is a different animal than the 
US version.  Which are you working with?  I don't 
think the US version even supports 3ø yet - 
though the next version will - which is now being 
worked on will.  They say next year - we'll see.

And why not put SMA inverters on the system so 
they can talk - the Magnetek and SI won't work 
together on charge control.

We just installed a stacked set of SIs with a 
Sunny Boy feeding into the mini-grid - love it! 
AC coupling is the way to go!

Tell me more of what you are trying to accomplish.

Best,

Jeff Clearwater
Village Power Design






>Hi Group,
>
>I have need to supply 3 phase to house via 3 Sunny Island inverters.
>
>I have heard that they can operate with a common battery bank but do not
>like any other charging source on the same bank.
>
>Is this true... and if so why ??
>
>The reason is that I want to also install a Magnetek grid-tie inverter on
>the same 48V 850Ah bank linked to an Eoltec Scirocco 6 kW turbine.
>
>Greatly appreciate comments on this.
>
>Carl Emerson
>Free Power Ltd.
>Auckland NZ
>
>
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-- 
~~~~~~~~~~~~~
Jeff Clearwater
Village Power Design
Sustainable Energy & Water Solutions for Home & Village
http://www.villagepower.com
gosolar at villagepower.com
NABCEP (tm) Certified Solar PV Installer

530-470-9166
877-SOLARVillage
877-765-2784
65 Schoolhouse Rd
Amherst, MA 01002
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