The power available from a photovoltaic solar cell at any point along the curve is expressed in watts and is calculated by multiplying the voltage times the current as we have seen above, watts = volts x amps. For maximum output power from a cell the face of the photovoltaic should be pointed as straight toward the sun as possible.
In order to produce more electrical power from a photovoltaic solar cell we need to either increase the photovoltaic effect, the energy of photons, or produce a different type of cell that is more efficient at converting the solar energy into electricity. At the present time, most commercial photovoltaic solar cells are manufactured from silicon, the same material from which sand is made.
In the next tutorial about “Solar Power”, we will look at the different Types of Photovoltaic Cells available as well as their construction and solar efficiencies.
The power available from a photovoltaic solar cell at any point along the curve is expressed in watts and is calculated by multiplying the voltage times the current as we have seen above, watts = volts x amps. For maximum output power from a cell the face of the photovoltaic should be pointed as straight toward the sun as possible.In order to produce more electrical power from a photovoltaic solar cell we need to either increase the photovoltaic effect, the energy of photons, or produce a different type of cell that is more efficient at converting the solar energy into electricity. At the present time, most commercial photovoltaic solar cells are manufactured from silicon, the same material from which sand is made.In the next tutorial about “Solar Power”, we will look at the different Types of Photovoltaic Cells available as well as their construction and solar efficiencies.
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