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The advantages and disadvantages of photovoltaic water!
The advantages and disadvantages of photovoltaic water!
Floating type water photovoltaic refers to the ponds, small lakes, reservoirs, reservoirs and other water floating building photovoltaic power plants, photovoltaic power generation to solve the traditional big problem area. The hardware floating type water photovoltaic power plant main part for the photovoltaic panel, junction box, inverter equipment, transformer, integrated circuit, polyethylene the floating frame table.
At present, Japan, India, Brazil and some European countries are in the development of floating type water on PV, China started late, but also to the development of such projects. The following turn floating on water compared with the conventional terrestrial photovoltaic PV advantages and disadvantages.
Floating on the water of PV mainly has the following advantages:
The conservation of land: the establishment of the water, does not occupy land resources, can reduce the cost of land requisition.
The increasing power generation: water cooling effect on the photovoltaic module, can inhibit the increase of surface temperature components, so as to obtain higher power output. According to the analysis of Hyogo Japan large water photovoltaic power plant experiments, due to the cooling effect of the water, battery power generation increased about 14.
The evaporation and propagation of algae: solar panels will be covered on the surface of the water, the theory can reduce the water evaporation, inhibit algae breeding, is conducive to the protection of water resources.
The convenient operation and maintenance: photovoltaic power plant built in the water, can reduce dust pollution and convenient assembly, component cleaning Xianzarenyuan, while animal and inaccessible components, can effectively prevent the people and animal of the destruction of components.
The benefits of Tourism: PV expanse of water can be neatly arranged, as a distinctive spots, become a landscape of the region, to bring tourism benefits.
The components of shading: comparison of the land, to avoid the water is relatively open, can effectively avoid the mountain, trees on component block, solar irradiation area and uniform illumination time is long.
The lower cost tracking system: assembly angle, the spacing between the installation and operation is convenient, the solar tracking system, do not need to install the dual axis tracking system for each battery, greatly reduce the cost of tracking system.
The cost savings: no component basis and foundation and support bracket, save cost, save the cost.
I was founded from the village, consumptive convenience: the city closer to the waters, can be the nearest consumptive, reduce power grid difficult, and other unfavorable factors, improve efficiency.
Floating on the water there are some disadvantages of pv:
The floating high equipment requirements: floating on water to float photovoltaic equipment supporting photovoltaic panels, floating body units on the corrosion resistance, low density, anti frost, anti wave, life, bearing capacity are required.
The location of high requirements: floating water photovoltaic farm sites should be selected in the wide area, runoff stability, low wind speed, good light condition, water level change is small, the development of better conditions, no large-scale shipping, non ecological sensitive area. Waters
The uncertain factors: wind, water level, ice and other factors have great influence on the monitoring on water quality and PV module, water fish, plants have no adverse effects.
The difficulty of Construction: the construction process should take into account many factors, it is difficult to use a large amount of work on water and heavy machinery for efficient construction process, relative demand more, time is also a corresponding increase. Diving in the ship or boat. A lot of homework assignments to consider the balance and safety, can not damage the dam pool and other facilities.
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