What is significant of +ve & -ve grounding in solar pv plant ?

05 May 2016 1 5K Report

pv plant design analysis

Khemraj,

Most common flat-plate PV panels have a thick positively doped layer with a thin (only a few microns) negatively doped "top" layer.

The negatively doped side receives the irradiance, so that excited electrons enter the positive side, and the plate acts as a source accordingly.

The bulk side being positive, is encased and grounded. Consequently, in most cases you will encounter a grounded positive side.

-Sanjay

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