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Current-voltage characteristic of a wind wheel

Current-voltage characteristic of a wind wheel

Item no.: P9505560
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The current-voltage characteristic of a wind turbine (wind wheel) describes its behaviour under load, e.g. when different types of lamps are connected. A lamp can be powered optimally by a wind turbine if the resistance and nominal voltage match the maximum of the power curve.In order to record the characteristic curve, a resistance decade is connected to the wind turbine. The resistance decade has 12 switch positions with different resistance levels (also short-circuit and open). The values of these resistances have been selected in a manner that ensures that the course of the characteristic curve can be optimally represented. Voltage, current, and power are measured with the aid of the Cobra4 Sensor-Unit Energy.


  • Part of a system solution - Easily expandable for further experiments
  • easy teaching by using the demo board for demonstration
  • Simplified implementation: all pre-settings already prepared
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p9505560e.pdf Experiment guide, English 471.96 KB

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