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Equivalent Circuit of a Solar cell
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To understand the electronic behavior of a solar cell,
it is useful to create a model which is
electrically equivalent,
and is based on discrete electrical components whose
behavior is well known.
An ideal solar cell may be modelled by a current source
in parallel with a diode; in practice no solar cell is ideal,
so a shunt
resistance and a series resistance component are added to the model.
The
resulting equivalent circuit of a solar cell is shown on the left.
Also shown,
on the right, is the schematic representation of a solar cell for use in
circuit diagrams. |
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