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array mismatch losses


inyss
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 Hello !

I would ask about the definition of mismatch loss which says

The mismatch loss is defined as the difference between the sum of all Pmpp of each independent sub-module, and the Pmpp of the resulting I/V characteristics of the array.

is the result of this formula is this one shown on losses diagram 

image.png.0fcedaa64e520b64a55138ec7ec1adad.png

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Mismatch loss is not calculated, it is entered by the user under detailed losses menu. Mismatch due to differences in IV characteristics is relatively low, but it is one contribution to mismatch losses; temperature and irradiance differences also contribute to mismatch losses. 

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