The operating principle of solar street lamp

The operating principle of solar street lamp




During the day, in the light conditions, the solar cell components produce a certain electromotive force, through the formation of the component series-parallel solar cell matrix, making square voltage system input voltage demands. And through the charge and discharge controller to recharge batteries, will be converted from light energy stored up. The evening, battery for the inverter to provide input through the inverter the role of the direct current into alternating current, transmission to the distribution cabinets, distribution cabinets from the role of switching power supply. The discharge of batteries controlled by a controller to ensure the normal use of battery. PV power plant system should also be limited load protection and lightning protection devices to protect the system equipment from lightning overload operation and to maintain the safe use of system equipment.



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