Grid-tie with battteryless backup [RE-wrenches]

[Kurt Albershardt]

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--On Monday, May 05, 2008 2:36 AM +0000 Mick Abraham <mick at abrahamsolar.com> wrote:

>
>
> Kurt Albershardt wrote:
>>
>> Do any of the batteryless grid-tie inverter systems allow for
>> disconnected operation when the grid is down?  Automatic
>> disconnect/re-connect would be ideal, but some sort of MTS arrangement
>> (double throw disconnect switch with aux contacts?) might also be
>> workable.
>>
> Mick says: Check out the EcoJoule 2500:
>
> http://ecopowercorp.com/
>
> I have no "hands on" with this but they claim operability without
> batteries and without the grid.

Thanks!  Looks like they have a separate 'critical load' output from the inverter (which I'm assuming would pass utility power through at night.)  Agency approvals still 'pending' so I guess we wait and see...









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