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Composition of solar street light system

(Summary description)Solar street light system battery components generally use monocrystalline silicon or polycrystalline silicon solar battery components; LED lamp holders generally use high-power LED light sources; solar street light system controllers are generally placed in the lamp pole

Composition of solar street light system

(Summary description)Solar street light system battery components generally use monocrystalline silicon or polycrystalline silicon solar battery components; LED lamp holders generally use high-power LED light sources; solar street light system controllers are generally placed in the lamp pole

Information

Solar street light system battery components generally use monocrystalline silicon or polycrystalline silicon solar battery components; LED lamp holders generally use high-power LED light sources; solar street light system controllers are generally placed in the lamp pole, with light control, overcharge and overdischarge protection and reverse Connection protection, more advanced controllers are equipped with the function of adjusting the lighting time in four seasons, half power function, intelligent charging and discharging function, etc. The battery is generally placed underground or there will be a special battery incubator. Valve-regulated lead-acid batteries, gel batteries, iron-aluminum batteries or lithium batteries can be used. At present, the solar lamps used in the market are divided into DC lamps and AC lamps. When DC lamps are used, direct power supply is adopted. The light source is matched with a specially designed DC electronic ballast to improve the efficiency of the entire solar photovoltaic device, thereby reducing solar energy. The capacity of battery components and accumulators reduces the system cost accordingly. When AC lamps are used, indirect (inverter) power supply is adopted, and the inverter converts DC power into 50Hz220v AC power.

solar street light system

The solar charge controller coordinates the work of solar panels, batteries, and LED loads, and is a very important component in the solar street light system. Make the entire solar integrated system efficient and safe operation. And various protection functions: solar panel reverse connection protection, preventing the battery from discharging to the solar panel at night, battery undervoltage protection, battery exit undervoltage protection, LED output short circuit protection, LED output open circuit protection. Street lamp’s lithium iron battery: main features: high-efficiency output, good performance at high temperatures, the battery does not burn, does not explode, and has the best safety. Service life: cycle life of more than 2000 times.

The input energy of the solar street light system is extremely unstable, so it is usually necessary to equip the battery system to work. Usually there are lead-acid batteries, Ni-Cd batteries, Ni-H batteries. The selection of battery capacity usually follows the following guidelines: First, on the premise of satisfying the night lighting, store the energy of solar cell components in the daytime as much as possible, and also It is necessary to be able to store the electrical energy that satisfies the lighting needs of successive rainy days at night. The battery capacity is too small to meet the needs of night lighting, and the battery is too large. On the one hand, the battery has been in a state of power deficit. The storage battery should match the solar battery and the electric load (street lamp). A simple method can be used to determine the connection between them. The solar battery power must be more than 4 times higher than the load power for the system to work normally. The voltage of the solar battery must exceed the operating voltage of the battery by 20~30% to ensure that the battery is normally negatively charged. The battery capacity must be more than 6 times higher than the daily consumption of the load.

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