How to shadow avoidance of solar tracking system

The solar tracker can increase the reception of solar energy and increase the daily output power and annual output power of the solar photovoltaic. However, when some photovoltaic cells in the photovoltaic module or the photovoltaic array are intermittently blocked, the solar tracker can increase the reception of solar energy and improve the solar photovoltaic. The daily output power and the annual output power, but when some photovoltaic cells in the photovoltaic module or the photovoltaic array are intermittently blocked, the output volt-ampere characteristic curve is stepped, and the photovoltaic array power generation efficiency is lowered, and the system power generation is reduced.

In the solar power generation system, due to the limitation of the land use area of ​​the power station, in the gap condition allowed between the battery assembly mounting brackets, the solar panel should obtain the solar radiation energy as much as possible in the whole tracker process, and There is no shadow that may obscure other bracket battery components. The shadow avoidance of the tracker is a comprehensive control technique formed by a calculation algorithm.

Tracking system software control system shadow avoidance (Figure 1):

Figure 1

★ Move from the horizontal position to the east during the T2-T3 time period to perform shadow avoidance.

★ Perform sun tracking movement from east to west during the T3-T4 time period.

★ Shadow avoidance from west to east during the T4-T5 time period.

★ At night T6, the tracking system automatically calibrates the horizontal position and waits for the next day tracking.

Among them, T2, T3 and T4, T5 change with the date, so the tracking system software algorithm will calculate the day's sunrise start shadow avoidance time T2 and sunrise stop shadow avoidance time T3, sunset start shadow avoidance time T4 and sunset The shadow avoidance time T5 is stopped.

Paper Filter

The hot tub filter cartridge is an essential component of a hot tub's filtration system. It is responsible for removing impurities and contaminants from the water, ensuring a clean and hygienic bathing experience. The filter cartridge consists of a paper-like material called filter paper core, which is designed to trap dirt, debris, and other particles as the water passes through it. Regular cleaning and replacement of the filter cartridge are necessary to maintain optimal water quality and extend the lifespan of the hot tub. Proper maintenance of the filter cartridge will help to keep the water in the hot tub crystal clear.

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