Question

Electrostatics

Suppose you are planning to make your own module thus looking for the best solar cell in the market based on your budget. You came across the specification of a typical single junction inorganic solar cell with Voc 0.6V, Isc 3.5A, VMP 0.51V, and IMp 2.95A. Those parameters were obtained at standard testing condition using the I - V curve shown below.The solar cell has an area of 100cm2. Now answer the following design questions:

What would be the short circuit current density of the module (in mA/cm2)?

а.Keeping in mind the charging of a 12V Pb-Acid battery by each module, at least how many solar cells a designer like you would like put in a module?

b.You are planning to have high packing density in your module, what shape of solar cell you'll prefer? (Point 1)

C.What would be the active area (i.e. area covered by solar cells only) of the proposed module? (Point 1)

d.How the solar cells in the module in need to be connected to meet the voltage requirement? (Point 1)

е.After selecting the right number of cells (from question a), what would be the open circuit voltage of the module? (Point 1)

f.What would be the short circuit current density of the module (in mA/cm2)? (Points 2)

g.What would be the fill factor of the module?

h.What would be the fill factor of each solar cell?

i.What would be the efficiency of the module?

j.What would be the efficiency of each solar cell?


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