Determining method and device of optimal installing inclination angle of photovoltaic module
A technology for optimal installation of inclination angles and photovoltaic modules, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve problems such as scarcity of land and roof resources, and achieve the effect of low cost of electricity and accurate calculation
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Embodiment 1
[0034] figure 1 It is a flowchart of a method for determining the optimal installation inclination angle of photovoltaic modules provided by Embodiment 1 of the present invention. This embodiment can be applied to make the photovoltaic system’s In the case of the minimum cost per kilowatt-hour, the method can be performed by a device for determining the optimal installation inclination angle of photovoltaic modules, which specifically includes the following steps:
[0035] Step 110, determining the light transmittance of the square array surface of the photovoltaic module corresponding to the light incident angles at different moments within the set time period.
[0036] Among them, the set time period can be from 9:00 a.m. to 3:00 p.m., so as to estimate the total amount of radiation on the square array (inclined surface) of the photovoltaic module during the time period of a day when the solar radiation intensity is relatively high The total amount of radiation on the incli...
Embodiment 2
[0143] In the second embodiment of the present invention, taking Changzhou (N31.87°, E119.99°) in the Yangtze River Delta region as an example, the optimal installation inclination angle of photovoltaic modules determined by the method provided in the first embodiment of the present invention is compared with the traditional optimal inclination angle The optimal installation inclination angle of photovoltaic modules determined by the calculation method is compared.
[0144] First, the traditional optimal inclination angle calculation method is used to calculate the radiation data under different installation inclination angles (0-90°) in Changzhou area, see the table below for details.
[0145] Table 1 is the annual radiation dose of the inclined surface under different installation inclination angles in Changzhou area obtained by using the traditional method.
[0146]
[0147] According to the data in Table 1, it can be drawn that Image 6 Shown is a relationship diagram ...
Embodiment 3
[0164] Figure 9 It is a structural schematic diagram of a device for determining the optimum installation inclination angle of a photovoltaic module in Embodiment 3 of the present invention. Such as Figure 9 As shown, the determining device specifically includes:
[0165] The light transmittance determination module 210 is used to determine the light transmittance of the square array surface of the photovoltaic module corresponding to the light incident angle at different moments within the set time period;
[0166] The direct radiation amount calculation module 220 is used to calculate the direct radiation amount of the inclined surface of the photovoltaic module according to the light transmittance;
[0167] The total daily radiation amount determination module 230 is used to determine the daily total radiation amount of the photovoltaic assembly within the set time period according to the direct radiation amount, scattered radiation amount and reflected radiation amount...
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