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PostPosted: Mon Mar 25, 2013 6:37 pm 
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Joined: Mon Apr 16, 2012 7:29 pm
Posts: 1686
The Rserie specified in the parameters of the module is not the measured Rserie dV/dI, but the intrinsic Rserie of the one-diode model.
It doesn't include the exponential contribution that you see on the graph below.

In the PV module's parameters dialog, the measured value dV/dI, named "Apparent Rserie" is mentioned just below this value in the program.
When the Rserie is specified by manufacturers (as "measured Rserie"), it corresponds to this "apparent" value.
Attachment:
File comment: I/V curve with Rshunt and Rserie
IVCurve_Rsh_Rs.png
IVCurve_Rsh_Rs.png [ 14.8 KiB | Viewed 8188 times ]


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