With the improvement of people's awareness of the development of the industry and the implementation of subsidy policies, more and more people are receiving photovoltaics. Recently received a small project of 3KWp residents. In order to pursue the highest amount of power generation, the owners proposed that the phalanx should be installed toward the south. Therefore, with the comparison of this program, the details will be described below. I. Introduction to the project location: The project site is located in X. The project buildings are herringbone-roofed residential buildings. The main body of the building is 42° east to north, and the slope (gradient) of the building is about 25°. If the azimuth angle is 0° in the south direction and the clockwise direction is in the positive direction, the azimuth of the south slope of the project is -42°. As shown below: Second, slope irradiation situation introduced: 1. (Owners request plan) According to the NASA weather data, the phalanx installation model, the received radiation dose and the power generation amount when the optimal inclination angle is calculated, that is, the face inclination angle of 25° to the positive south direction angle of 0° is as follows: From the above two charts, it can be seen that when the 3KWp power station is installed facing the south direction with a tilt angle of 25°, the ratio FT of the radiation received by the surface of the panel to the radiation received by the horizontal plane is 1.06, and the annual power generation is 3293 KWh. 2, (currently more common installation is also the author's recommended installation method) The 3KWp power station is installed directly on the south slope of the building with an azimuth angle of 25° and an azimuth of -42°. The model of the phalanx installation, the amount of radiation received, and the amount of power generated are: From the above two charts, it can be seen that when the 3KWp power station is installed at an azimuth angle of −42° at a tilt angle of 25°, the ratio FT of the radiation received by the surface of the panel to the radiation received by the horizontal plane is 1.03, and the annual power generation is 3210 KWh. 3, two installation methods compared: 1. Comparison of irradiation conditions: The radiation received by No. 2 scheme power station is 2.496% lower than that of No. 1 scheme. 2. Comparison of annual power generation: The annual power generation of the No. 2 power station is 2.52% lower than that of the No. 1 program. From the comparison data, it can be seen that there is little difference in the annual power generation between the two installation methods. Third, comprehensive comparison shows: After the comprehensive evaluation of factors such as site conditions, irradiation reception conditions, power generation capacity comparison, post-construction, building aesthetics, reliability, and project cost, it is recommended to adopt the No. 2 program. That is, it is directly attached to the southeast slope of the building with a hook. Carbon Crystal Panel Heater Electrical Radiant Heater,Electric Radiant Infrared Heater,Radiant Infrared Panel Heater,Electric Radiant Heater Shandong Dexiang Electrical Technology Co.,Ltd , https://www.infraredroomheater.com
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