Outback with Sunnyboy [RE-wrenches]
Todd Cory, Mt. Shasta Energy Services
toddcory at finestplanet.com
Thu Dec 7 05:42:00 PST 2006
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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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