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2024
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01
Calculation of solar panel power
The solar AC power generation system consists of solar panels, charge controllers, inverters, and storage batteries; the solar DC power generation system does not include inverters. In order to enable the solar power generation system to provide sufficient power for the load, it is necessary to reasonably select various components according to the power of the electrical appliance. Taking the output power of 100W and the use of 6 hours a day as an example, the following calculation method is introduced:
First, calculate the number of watts consumed per day (including the loss of the inverter): if the conversion efficiency of the inverter is 90%, then when the output power is 100W, the actual required output power should be 100W/90%{ {5}}W; if it is used for 5 hours per day, the output power is 111W * 5 hours = 555Wh.
2. Calculation of solar panels: Based on the effective sunshine time of 6 hours per day, and considering the charging efficiency and the loss in the charging process, the output power of solar panels should be 555Wh/6h/70% = 130W. Of these, 70% is the amount of electricity actually used by solar panels during charging.
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