Voltage and current in a series connection of solar cells

 Product No: P9511300

Principle

The pupils should examine a connection in series of two solar cells by measuring the open circuit voltage, Uges, and the short-circuit current,  Iges.

Greater voltages can be reached by connecting solar cells in series.

In addition, the voltages at both solar cells, U1 und U2, will be measured. From this, and  Uges, one can derive the relation for solar cells connected in in series:  Uges = U1 + U2.

The currents at the individual solar cells which are connected in series is the same as the short-circuit current, Iges: Iges = I1 = I2.

Task

What happens when you connect two solar cells in series?




Materiallist (Excerpt) Product Amount
Power supply 0...12 V DC/ 6 V, 12 V AC, 230 V 13505-93 1
DMM with NiCr-Ni thermo couple 07122-00 1
On-off switch module, SB 05602-01 1
Socket module for incandescent lamp E10, SB 05604-00 1
Interrupted connector module, SB 05601-04 3
Junction module, SB 05601-10 4
Solar cell 2.5 x5 cm, with plugs 06752-11 2
Straight connector module, SB 05601-01 2
Angled connector module, SB 05601-02 4
Holder for solar cell 2.5 x5 cm, with plugs 06752-12 2
Filament lamp 6 V/3 W, E10, 10 pcs. 35673-03 0,1
Connecting cord, 32 A, 500 mm, red 07361-01 2
Connecting cord, 32 A, 500 mm, blue 07361-04 2
Double sockets,1 pair,red a.black 07264-00 1

Literature for this article als follows

Title Product Language
interTESS DVD Applied Sciences, Erneuerbare Energie 01081-00
interTESS DVD, vollständige Version mit allen Versuchen Physik, Chemie, Biologie, Applied Sciences 01100-00

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Product No: P9511300

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