Solar thermal energy system components and influencing factors

      1. Components of the solar power system

      (1) PV panels (solar panels, solar panels, solar photovoltaic modules) absorb light energy and convert light energy into electric energy. The commonly used materials for PV panels include monocrystalline silicon, polycrystalline silicon and amorphous silicon, among which monocrystalline silicon The conversion efficiency is 14-20%, the conversion efficiency of polycrystalline frog is about 13%, and that of amorphous frog is 8-10%.

      (2) Power storage equipment. At present, the power storage equipment of off-grid power generation systems is mainly maintenance-free batteries, which can store the electrical energy generated by PV panels.

      (3) Charge and output control controller: The function of the controller is to control the entire system to work stably and safely.

      (4) Other mechanical equipment

      2. The main cost structure and influencing factors of solar power generation system

      (1) PV panels: At present, the solar energy industry is in full swing. One of the main reasons is that the price of PV panels is too high, which affects the price of PV panels in the whole system. In addition to controlling the unit price of PV panels, it is more important to control the number of PV panels used. , Its influencing factors are as follows:

      A. Generating power; B. Weather conditions where PV panels are located; C. The electricity generated by different latitudes of PV panels is different; D. The environmental impact of PV panels.

      (2) Energy storage equipment: How much electricity a power generation system needs to provide users a day determines the capacity of the energy storage equipment. The more electricity the power generation system supplies to users every day, the greater the capacity requirements of the energy storage equipment, and the cost Higher.

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