Grid sell with Outback, solar,and generator [RE-wrenches]

[Darryl Thayer]

Jeff is this a 48 volt battery system?
     is the generator to serve only the critical loads
or all loads?  or critical and gen special loads?  Is
it important that the gen cycle back and forth between
inverter and gen (auto or manual start) or once the
batterys are down they can wait until grid gets back
on line?

Daryl

--- Jeff Yago <jryago at netscape.com> wrote:

> 
> I know this thread has just about been beat to
> death, but I wanted to see if I could summarize
> everyones thoughts as we are getting ready to
> install this exact same system.
> 
> Battery-based Outback Grid-tie Inverter system with
> about 2 kW solar and a 12 kW backup generator. 
> Client wants to sell any excess solar power as they
> are gone most of the week, but area has lots of
> power outages so generator backup is important. 
> Since no AC1 and AC2 inputs, the easiest route is to
> set up inverter as grid-tie, and use any excess
> solar for net metering.   Install a standard AC
> generator transfer switch ahead of inverter and its
> emergency panel loads.
> 
> However, as everyone has already pointed out, the
> Outback will not handle this change properly without
> being told the input power supply is now a generator
> and not the grid.  How big a deal is this
> change-over for the client if they have a Mate?  Can
> this change-over be simplified or pre-programmed to
> only require a single command?  What is easiest
> program settings to stay with that reduces these
> control issues if the generator will only be used
> during an extended power outage?
> 
> Thanks,
> 
> Jeff Yago
> 
>
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