Composition And Role Of Solar Street Light Generation System

The solar street light power generation system consists of a solar cell set, a solar controller and a battery (set). If the output power supply is AC 220V or 110V, an inverter is also required. The role of each part is.

(i) Solar panels: Solar panels are the core part of a solar power system and the highest value part of a solar power system. Its role is to convert the sun's radiation power into electrical energy, or send it to the battery for storage, or to push the load to work.

(ii) Solar controller: The role of the solar controller is to control the working state of the whole system and to play the role of over-charge protection and over-discharge protection for the battery. In places with large temperature differences, qualified controllers should also have the function of temperature compensation. Other additional functions such as light control switch, time control switch should be optional for the controller.

(iii) battery: generally lead-acid batteries, small micro systems, also available nickel-hydrogen batteries, nickel-cadmium batteries or lithium batteries. Its role is to store the electrical energy emitted by the solar panel when there is light, and then release it when needed.

(d) Inverter: The direct output of solar energy is generally 12VDC, 24VDC, 48VDC. in order to provide electrical energy to 220VAC appliances, the DC energy emitted by the solar power system needs to be converted into AC energy, so the DC-AC inverter needs to be used.

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