Photovoltaics The Sun generates Electricity Semiconductor Semiconductor Doped Semiconductors Doped Semiconductors Generation of Photovoltaics Generation of Photovoltage Generation of Photovoltage Generation of Photovoltage The LED - forward and reverse biased The LED - forward and reverse biased The LED as Photovoltaic Cell The LED as Photovoltaic Cell The LED as Photovoltaic Cell The LED is used as PHOTODIODE Resistance of a Solar Cell Resistance of a Solar Cell Resistance of a Solar Cell Open-Circuit-Voltage of a Solar Cell Open-Circuit-Voltage of a Solar Cell Calibration for Irradiance-Measurement Calibration Solar Cell 1 cm۶lluminated Thermo-Column (Moll) Measurement of the total irradiance Characteristic Lines of a Solar Cell Photovoltage Photovoltage – Exposed Area Short-Circuit-Current of Solar Cells Short-Circuit-Current of Solar Cells Dependencies Sensitiveness – Spectral Range Sensitiveness – Spectral Range Connecting Solar Cells into Series Connecting Solar Cells into Series Connecting Solar Cells into Series Connecting Solar Cells into Parallel Connecting Solar Cells into Parallel Connecting Solar Cells into Parallel Running an Engine Running an Engine Efficiency Efficiency Calculating the Efficiency / Engine´s Experiment Calculation with EXCEL The Characteristic Line The Power Characteristic The Power Characteristic The Power Characteristic The Dependence on Temperature Photovoltaic Power Supply Charging of a Capacitor - Discharging Charging of a Capacitor - Discharging Charging of a Capacitor - Discharging Charging a rechargeable Battery Charging a rechargeable Battery Running a Model Storing Energy by an Accumulator Storing Energy by an Accumulator Charging an Accumulator Calculation with EXCEL Calculation of the Efficiency Calculation with EXCEL Fuel Cell in Short Fuel Cell in Very Short Hydrogene Technology in Very Short Solar Hydrogene System Basic Experiment to Hydrogene Technology Basic Experiment „Hydrogene Technology“ Basic Experiment „Hydrogene Technology“ Calculating the Efficiency