[RE-wrenches] metering an outback system

[David Brearley]

Drake,

Chris Freitas wrote an article on this topic in SP1.1, ³Form 12S Metering
for Grid-Tied Systems w/ Battery Backup.² Here¹s a link to the article and a
wiring diagram:


http://solarprofessional.com/article/?file=SP1_1_pg16_QandA_3&search=

David Brearley, Senior Technical Editor
SolarPro magazine 

On 8/10/10 7:57 AM, "Drake Chamberlin"
<drake.chamberlin at redwoodalliance.org> wrote:

> Hi Alex,
> 
> The one meter hook up always seems confusing to me.  I'm still confused.  Do
> we have the AC IN at both the bottom left and top right?   To me it seems that
> the AC OUT from the inverter would go to the upper left and the protected
> loads panel would be fed from the bottom left.
> 
> I've never used this method, but would like to use it instead of the two meter
> method.
> 
> Thanks,
> 
> Drake 
> 
> 
> At 12:19 AM 8/10/2010, you wrote:
>> When metering for production here in Washington State, we use both sides in a
>> 12s 120volt meterbase with fifth jaw.  top right inverter ac in, bottom right
>> ac from grid.  top left from battery back up, bottom left from inverter ac
>> in, fifth jaw neutral.
>> 
>> this set up allows grid tied selling and battery saved energy selling to be
>> metered while subtracting energy used to charge batteries and subtracting any
>> power needed to run the inverter.
>> 
>> hope this helps.
>> 
>> contact me off list if you need the diagram (in office)
>> 
>> 


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