Open delta three phase from only two primary lines

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jaggedben

Senior Member
Location
Northern California
Occupation
Solar and Energy Storage Installer
Yeah, we originally designed it with single phase inverters already knowing that it was an open delta supply before we even submitted our interconnection app. They are still fighting us on it :cautious:

So wait...Did they reject single phase? If so, what was their reasoning? If not, what does the third phase have to do with anything?
 

tortuga

Code Historian
Location
Oregon
Occupation
Electrical Design
If its a large system just add a single phase service for the PV up to class 320Amp you should be good.
 
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