Dubai's large solar park project progress to speed up the three kinds of technology and a number of world records

Electrical energy storage and difficult than the thermal energy storage is commonly used batteries, are research and development is superconducting can lay aside. The invention of the lead-acid battery in the world has 100 years of history, which makes use of the reversible chemical energy and electrical energy conversion, charging and discharging. Lead-acid battery price low, but the service life is short, weight big, requires constant maintenance. Recently developed less maintenance, maintenance-free lead-acid batteries, make its have certain to improve performance. At present, and photovoltaic power generation system can form a complete set of storage devices, most of lead-acid batteries. Invention of nickel - 1908 Copper, nickel - Iron alkaline battery, its convenience in operation and maintenance, long service life, light weight, but the price is more expensive, generally used in the case of small energy storage. The existing storage battery energy density is low, it is hard to meet the requirements of large capacity, long time storage of electrical energy. Newly developed battery with silver zinc, potassium, sodium sulfur batteries, etc. Some metal or alloy become superconductors at extremely low temperatures, in theory, electrical energy can be stored in a superconducting coil without resistance infinitely long time. Superconducting storage that can be directly without any other energy conversion storage power, high efficiency, rapid starting, can be installed in any location, especially consumption center near, does not produce any pollution, but the superconducting storage is not yet mature in technology, need to continue to research and development.

solar photovoltaic net news: recently, the dubai electricity and water authority ( Dewa) , said's solar park in the fourth stage of the construction work is to further advance, has now completed the solar power tower 128 pillar construction work.

this is Dewa continuous efforts to accelerate the transformation of dubai as part of the global clean energy center. The project investment of 13. 6 billion dollars, the total installed will reach 5000 mw in 2030. Solar park phase 4 will use three kinds of technology to produce 950 megawatts of clean energy, 600 megawatts from a parabolic mirror, 100 megawatts from solar power tower, 250 megawatts from photovoltaic panels. Project director stressed that will ensure the highest standards of safety, as well as the importance of quality.

it is understood that the project has achieved many world records, it will have the world's top solar power tower, 260 meters above sea level, and the world's largest thermal energy storage capacity of 15 hours, it can realize 24-hour supply of energy. In addition, also implements the lowest level of electric power production cost of the project.

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about solar power, everybody is not strange, small to roadside street lights with solar panels, to large-scale solar power plants, has the form of solar power. But the majority is photovoltaic solar power project, in addition to solar photovoltaic (pv), there is a way of using solar energy into electrical energy & ndash; — Solar-thermal power generation. （ A) What is the solar-thermal power generation? Solar-thermal power generation, is compared