Correlating school physics with practical usage of the photovoltaic cells is a specialty of this system. These unique didactic innovations are the premier choice when it comes to experiments related to solar energy since it has won the Worlddidac Award. The system has been conceived in such a way that most experiments can be conducted in normal room lighting. An external power supply is not necessary for these experiments. The leXsolar lighting module (included) is required only for a few experiments - which can be operated with a student?s power supply. Additionally, the product is expandable with "Measuring without Measuring Tools". This expansion allows further qualitative experiments for students between the ages of 12 to 15.
Experiments:
Power dependence on the area of the solar cell
Power dependence on the angle of incidence Power dependence on the level of illumination Determination of efficiency ratio of energy conversion Internal resistance of solar cells Dark characteristic curve of solar cell Inhibiting and conducting direction in illumination and darkness IV characteristic and fill factor of the solar cell IV characteristic of the solar cell in dependence on the level of illumination Dependence of the solar cell power on temperature Shading of solar cells in series connection Shading effect of solar cells in parallel connection The solar cell as a transmission measure Power dependence on the frequency of the incident light
List of components:
3 x 1100-01 Solar module 0,5 V, 420 mA, QC 1 x 1100-02 Solar panel 0.5 V, 840 mA 1 x 1100-19 leXsolar Base unit Large (including circuit diagrams) 1 x 1100-20 Lighting module 1 x 1100-21 Diode-module 1 x 1100-22 Resistor module 1 x 1100-23 Potentiometer module 1 x 1100-24 Gear motor module 1 x 1100-29 Solar cell cover set (4 pieces) 1 x 1100-30 Color filters 1 x 1103-01 Box 1103 1 x L3-01-004 Vacuum-padding leXsolar-experiment top, black 1 x L3-01-005 Vacuum-padding leXsolar-experiment below, black 1 x L3-01-013 Lid for tray 1 x L3-03-016 leXsolar-CD Extras needed: 2 x L2-06-011 Digital multimeter 1 x 2105-00 Universal - power supply 2 x L2-06-012 Test lead black 25 cm 2 x L2-06-013 Test lead red 25 cm 1 x L2-06-016 Laboratory thermometer Extras available: 1106 Messen ohne Messgeräte (MoM) L3-03-054 Lehrerheft leXsolar-PV L3-03-032 Schülerheft leXsolar-PV Large
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