[RE-wrenches] Inverter Data

boB Gudgel boB at midnitesolar.com
Tue Apr 21 12:15:41 PDT 2009


Orion Thornton wrote:
>
> Wrenches,
>
>  
>
> Can anyone help me to determine the commutation type and rated power 
> factor (%) for a Fronius 4000 IG.  These are required line items on a 
> permit application.  The options for commutation type are forced and 
> line.  I feel like this may apply to older inverter technology but I 
> am not sure.  Any help would be appreciated.
>
>  
>
> Orion Thornton
>
> Independent Power Systems
>
>  
>

The inverters' Commutation is  done electronically  but I have see the 
term "Line Commutation" used in regards to grid tie before too.

 Maybe you could just say  "Electronic Switching Commutation"  ?  Or, 
"Solid State Commutation"  ?

Power Factor is an easy one...   PF  =  1.0

boB


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