Developing new energy is a general trend, solar storage battery must be high-speed development, low conversion efficiency of photovoltaic power generation systems, high cost, high cost, and no corresponding supporting laws and regulations, make the photovoltaic system slowly develop slow
The photovoltaic system is composed of solar storage array, battery pack, charge and discharge controller, inverter and other devices. The role of each part of the equipment is:
(1) Solar storage Battery Array: In the case of illumination, the battery absorbs light energy and the battery have an hemotoma accumulation, that is, "Light Voltage" is generated, which is "light energy effect". Under the action of the photovoltaic effect, both ends of the solar cell generate an electric potential, converting the light energy into electrical energy, and is an energy conversion device. Solar batteries are generally silicon batteries, divided into three types of single crystal silicon solar cells, polysilicon solar cells and amorphous silicon solar cells.
(2) Battery group: It is the active energy stored when the solar cell array is illuminated and can supply power to the load.
(3) Controller: Automatically control power selection, select between the mains, solar electrical, battery electricity, charge the battery.
(4) Inverter: It is a device that converts DC electrically converted into translucent equipment.
The consistency of the individual cells of the solar storage battery: The consistency mentioned here is not only the open circuit voltage, initial capacity of the battery, but also includes internal resistance, self-discharge, and charging efficiency, etc., which requires sufficient manufacturing accuracy. That is, the four functional detection of the lead powder, the cast piece, and the cream, the smear, curing, chemical formation, drying assembly, adding acid, and charging must be controlled in a smaller tolerance, so the solar storage battery is cast. Machine coating, component assembly, and precise acid are reliable guarantees for ensuring battery consistency, minimizing human factors.
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