Solar Power Technology Advances
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China Solar Energy Industry
China is a country rich in energy resources, solar radiation of earth surface China of solar energy resources each year is equivalent to 4.9 billion tons of standard coal, the country two thirds the size of more than 2200 hours in the sun. If all these solar energy to generate electricity, roughly equivalent to tens of thousands of total production capacity of the project Three Gorges. "As the world's solar power energy, solar energy in China will undoubtedly be the industry of the sun The most eye-catching. "Energy experts appointed expert, Institute of Electrical Engineering, Chinese Academy of Sciences XU Hong-hua, deputy director said: "However, we must recognize that, as it is 'Sunshine' it 'shadow', as in the development of industry Chinese solar energy also faces many challenges. "
Regarding the development of industry Chinese solar energy, the problems, Xu said, China, for example: for example, lack of clarity in the planning and solar photovoltaic thermal industry development, not yet been established in public research and testing and certification platform, and the whole industrial chain systems, solar photovoltaic generation equipment assemblies and applications must be further improved the technological level and improve; photovoltaic generation procedures tariff approval and certification are not clear, in the grid, and promoting large-scale, there is great resistance, inadequate technical standards and management protocols, especially for power sector by security concerns, power quality and management issues, they need as soon as possible technical standards and standards management; There is a central PV independent maintenance and management of the latter part of the problem, professional and technical staff behind what is comes.
Although the solar energy industry in China in a number of technology has made new progress, but it is not a strong capacity for independent innovation is still restricting the rapid development of solar energy production sector, the main bottleneck strangulation. The current absence of China's scientific research and technological accumulation, remains to be established in basic research, key technology and equipment for the industrialization of sustainable development system to support the industry. The Chinese industry solar energy in the ability of independent innovation and sustainable development capacity, compared with developed countries, it are big gaps.
In the field of solar energy, energy cells and pollution problems, was considered outside the industry in the development process in an area that deserves attention. crystalline silicon cell manufacturing process, by one manufacturer, the unit energy consumption is indeed relatively high, but if the calculation is not the case.
solar cells crystalline silicon sand production to total energy consumption of the system of about 2.65 units of electricity, even if the annual salary production and installation of PV systems 10g w, the total energy consumption of 26.5 billion kwh, only in 2007, the country's ability total production of 0.8%, the total power consumption of 5% aluminum and steel accounted for 14% of the total energy consumption is not high. With advancements in technology and polysilicon solar cells, this indicator will decline further, photovoltaic power generation Industry is a high consumer of energy, a single plant is a plant of a major consumer of energy, industry is concerned, should not be considered consumer able to industry.
In summary, although our abundant resources energy solar, solar energy industry gained rapid development, but China's industry of solar energy is still faces many challenges. About the Author
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