How to correctly choose the roof of distributed photovoltaic power station

Refers to using photovoltaic components, photovoltaic power generation system to convert solar energy directly into electricity generating system. Especially on distributed photovoltaic building near the site users, spontaneous self-used operation mode to the user side, more to the Internet, and in the distribution network system in balance

photovoltaic power generation system is the use of photovoltaic modules convert solar energy directly into electrical energy power generation system. Distributed photovoltaic especially when built near at the location of the user of the photovoltaic power generation facilities, its characteristic is the user side spontaneous self-use, surplus electricity online connection and balance adjustment in the distribution network system. Main equipment including pv modules, stents, inverter, power distribution cabinet, electric meter and two-way meters, etc. Distributed photovoltaic power generation is a new type of power generation and the way of comprehensive utilization of energy, has a broad development prospects. It advocates the adjust measures to local conditions, power generation, to the nearest grid, closer to the nearest transformation, and using the principle of nearby. It takes advantage of the local solar energy resource, reduce the consumption of fossil fuels. It can not only improve the power generation with scale photovoltaic power station, can effectively solve the booster and electrical energy loss problem in long-distance transportation. At present, the construction of photovoltaic power generation system is a kind of widely used distributed photovoltaic power generation system, involving civil buildings, public buildings, industrial buildings and other photovoltaic power generation system can support. It is at the same time with architecture design, construction and installation of photovoltaic power generation systems, and architectural form perfect combination, also known as the 'building' and 'building materials' photovoltaic building. It USES photovoltaic array as a functional part of the building structure, including replace traditional roofing material with photovoltaic modules, such as shingles, roof tiles, slates, metal roof, Windows, awning, etc. As part of the construction of external structure, it not only has the function of the power generation, also has the function of construction and building materials. It can even improve the architectural aesthetic feeling, and architectural form the perfect unity. Attached to the building of solar photovoltaic power generation system, also known as the 'install' photovoltaic building. Its main function is to generate electricity, do not conflict with the function of the building, also does not destroy or weaken the function of the original building. 1 roof waterproof fortification at present, the relevant national planning clearly put forward to encourage in central and eastern areas construction and construction with the combination of distributed photovoltaic system. Under the support of state and local government policies, distributed photovoltaic system get more and more widely used, more than 57% of the total installed capacity of photovoltaic power generation system, become an important development direction of the future. Photovoltaic modules on the roof installation method is not only to consider the sunshine and the shadow, but also according to the roof form and change. Component installation of the load must be considered in project design, resistance to wind pressure, seismic, drainage, water resistant and lightning protection and other issues. Because this project mainly involves the combination of photovoltaic (pv) support and roof, and further involves the roofing waterproof problem, therefore the engineering design and construction quality not only relates to the service life of buildings, also directly affect the normal production activity and people's life. At present, the distributed photovoltaic power generation is introduced in the market, competition is intense, the design and construction quality is uneven, should pay more attention to its place of roofing waterproof. All kinds of roofing engineering including roofing structure layers above the roof leveling layer, air barrier layer, waterproof layer, thermal insulation layer and protective layer and application layer, is an important branch of housing construction project. According to the performance of the building, importance, function and reasonable service life of the waterproof layer.