Recently, a 30 MW rooftop distributed photovoltaic power station in Zhenjiang City, Jiangsu Province, was successfully connected to the grid. The project uses 210000 square meters of flexible roof resources of Funeng Technology (Zhenjiang) Co., Ltd. to generate 56 million kilowatt-hours of electricity annually, which is the largest flexible roof distributed photovoltaic power station in China. The operation period of the project is 25 years, which is expected to save 227000 tons of standard coal and reduce carbon dioxide emissions by about 630000 tons.
With the successful grid connection of the project, the total capacity of photovoltaic power generation in Zhenjiang has reached 1326 MW, accounting for about a quarter of the local maximum load.
Flexible roof refers to the roof which is paved and bonded with flexible materials such as asphalt and felt, or coated with polymer synthetic materials as the main material to form a waterproof layer. It has good weather resistance, pressure resistance and waterproof performance, but it can not directly support the traditional roof photovoltaic power generation equipment. It often needs to be connected to the roof beam by drilling holes. This will not only cause structural damage to the roof, but also affect the waterproofness of the roof, and the cost is expensive, and the investment economy is relatively poor.
Flexible roof distributed photovoltaic power station adopts flexible support. Compared with the fixed support of the traditional mode, the flexible support system has a large span and a flexible and adjustable span range, and has the advantages of flexible arrangement, high power generation efficiency, good crack resistance, less steel consumption, small bearing capacity, and the like; and in a large-span area with the same land area, the distribution plate capacity of the flexible support is about three times that of the fixed support.
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