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Power Generation Principle Of Solar Grid-connected Power System
Jun 01, 2018

Solar photovoltaic power generation is based on solar cell components, using the electronics characteristics of semiconductor materials, when the sun shines on the semiconductor PN Junction, the P-n junction potential barrier Zone produces a strong built-in electrostatic field, thus producing non-equilibrium electrons and cavities in the barrier region or unbalanced electrons and cavities that are generated outside the barrier region but diffuse into the barrier region. , under the action of the built-in electrostatic field, they move in the opposite direction, leaving the barrier area, the result is that the P region potential is increased, the N region potential is reduced, thus generating the voltage and current in the external circuit and converting the light energy into electric energy.