Outback with Sunnyboy [RE-wrenches]

[Brian Teitelbaum]

Hi Todd,

The OutBacks are bi-directional on both input and output.

Brian 
AEE Solar


-----Original Message-----
From: Todd Cory, Mt. Shasta Energy Services
[mailto:toddcory at finestplanet.com] 
Sent: Thursday, December 07, 2006 5:42 AM
To: RE-wrenches at topica.com
Subject: Re: Outback with Sunnyboy [RE-wrenches]



I did not think it was a good thing to put power onto the Outback AC 
output... and even if one did that, my understanding is that GFX  
inverters take power to charge the batteries from the bidirectional *AC 
input* to charger the batteries, not the AC output. Can you clarify this 
for me?

Todd


Brian Teitelbaum wrote:

>Jeff,
>
>In this arrangement, the OutBack's are acting just like the Sunny 
>Island does.
>
>The Sunny Boy is connected to the "output" of the OutBack inverter (in 
>the emergency load sub panel that the OutBack powers during a grid 
>failure). The grid is connected to the OutBack's "input". When the grid 
>goes down, the SB automatically shuts down, but then the OutBack's 
>internal transfer switch throws and powers up the sub panel. The SB now 
>"sees" the output of the OutBack and thinks that the grid is back up. 
>After the 5-minute delay, the SB comes back on, and can power AC loads 
>directly. PV power not used by the loads in the sub is sent to the 
>battery for charging.
>


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