Friday, 30 November 2012

Solar Panel Result

In this experiment, i want collect the renewable energy result for the solar panel. the operation is when solar cell (also called a photovoltaic cell) is an electrical device that converts the energy of light directly into electricity by the photovoltaic effect. It is a form of photoelectric cell when exposed to light, can generate and support an electric current. Before get the result, i want to list the spec of solar panel that i use at the table below:-

Model
XHH-02
Pmax
2 W
Vmp
17.5 V
Imp
0.11 A
Voc
20.8 V
Isc
0.12A
Max. system voltage
600 V
Size
190 x 125 x 18 mm
Test condition
AM1.5, 25°C, 1000W/m2


Table below show the result that collect when there is sources produce by the solar panel.

Time
Output Voltage (V)
10.30 a.m.
19.0
10.40 a.m.
19.0
10.50 a.m.
19.0
11.00 a.m.
19.2
11.10 a.m.
19.5
11.20 a.m.
19.3
11.30 a.m.
19.4
11.40 a.m.
19.6
11.50 a.m.
19.4
12.00 p.m.
19.2
12.10 p.m.
19.5
12.20 p.m.
19.5
12.30 p.m.
19.2
12.40 p.m.
18.8
12.50 p.m.
18.6
1.00 p.m.
18.6
1.10 p.m.
19.5
1.20 p.m.
18.4
1.30 p.m.
18.5
1.40 p.m.
19
1.50 p.m.
18.8
2.00 p.m.
18.6
2.10 p.m.
19
2.20 p.m.
19
2.30 p.m.
19
2.40 p.m.
19
2.50 p.m.
19
3.00 p.m.
19

From the observation i can conclude with the graph showed below:-


The conclusion from the results, the output voltage of solar panel is not constant. This is because the amount of sunlight is not constant. This shows that when there is a light, the voltage can be produce. The huge amount of sunlight will produce a higher output voltage. The resistor is place in series with solar panel is to protect the solar panel from open-circuit voltage. When the voltage is higher than the open-circuit voltage, it will make the solar panel will not function. The time to collect the data for solar panel is taken from 10.00 a.m. to 5.00 p.m. is to determine the output voltage that solar panel can produce at the time given.


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