There are three main types of roofs in rural areas: color steel tile roofs, brick and tile structure roofs, and flat concrete roofs. There are significant differences in the three types of roof structures, and even for the same area, the installation methods of photovoltaic power generation systems are also different. Today, let's talk about the issues that should be paid attention to when installing photovoltaic power plants on colored steel plate roofs:

考察屋頂光伏方陣的選址：（1）屋頂結(jié)構(gòu)（固定支架，保證防水）。（2）檁條間距，方向，尺寸距離。（3）屋面結(jié)構(gòu)，組件排布。（4）避免陰影遮擋。

Site selection for investigating the rooftop photovoltaic array: (1) Roof structure (fixed bracket to ensure waterproofing). (2) Purlin spacing, direction, size distance. (3) Roof structure, component layout. (4) Avoid shadow occlusion.

做好防水工作：在安裝光伏系統(tǒng)時(shí)，要保證在避免破壞屋頂?shù)那闆r下安裝。具有防水層的屋頂需要避免打孔，彩鋼屋頂進(jìn)行打孔的需要使用防水膠或膠墊。

Do a good job in waterproofing: When installing a photovoltaic system, it is first necessary to ensure that the installation is carried out without damaging the roof. Roofs with waterproof layers need to avoid drilling, and colored steel roofs need to use waterproof glue or rubber pads for drilling.

組件長寬的擺放：安裝時(shí)，組件根據(jù)屋面面積確定組件長寬的擺放，組件長邊垂直于龍骨時(shí)，節(jié)省支架成本。安裝時(shí)要預(yù)留走線槽的寬度。

Placement of component length and width: During installation, the placement of component length and width is determined based on the roof area. When the long side of the component is perpendicular to the keel, it saves support costs. The width of the wiring duct should be reserved during installation.

彩鋼屋頂荷載：一般情況下鋼結(jié)構(gòu)廠房上面裝光伏發(fā)電設(shè)備每平米會(huì)增加15公斤的重量，大型商企業(yè)的屋頂一般都會(huì)有原設(shè)計(jì)院的圖紙，考察前我們?nèi)绻軌颢@得圖紙，可以詳細(xì)了解屋頂結(jié)構(gòu)及電氣結(jié)構(gòu)分布。通過圖紙查看屋頂荷載是否滿足安裝要求，查看建筑設(shè)計(jì)說明中恒荷載的設(shè)計(jì)值，并落實(shí)除屋面自重外，是否額外增加其他荷載，如管道吊置設(shè)備屋面附屬物等，并確定恒荷載是否有余量能夠安裝光伏電站。

Color steel roof load: Generally, installing photovoltaic power generation equipment on steel structure factories will add 15 kilograms of weight per square meter. Large commercial enterprises usually have drawings from the original design institute for their roofs. If we can obtain the drawings before inspection, we can have a detailed understanding of the roof structure and electrical structure distribution. Check whether the roof load meets the installation requirements through the drawings, check the design value of the constant load in the building design instructions, and determine whether additional loads are added in addition to the roof self weight, such as pipeline suspension equipment and roof attachments, and determine whether there is any allowance for the constant load to install the photovoltaic power plant.

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