ã€World Wide Web Reporter Lindi】 A few days ago, a reporter from Global Network Technology learned from China Three Gorges Group's official website that on December 10th, China Three Gorges Corporation Three Gorges New Energy Corporation Anhui Huainan 150MW water surface floating photovoltaic project formally connected to the grid to generate electricity. It is reported that this is currently the world's largest surface floating photovoltaic power plant. At the same time, as the Chinese “photovoltaic†of the photovoltaic industry, it is also “calculated†by the United States. (Note: Solar power is generally called "photovoltaic industry.") Figure: The world's largest surface floating photovoltaic power plant "Package" becomes "wealth" According to statistics, the Panji District of Huainan City covers an area of ​​600 square kilometers and is rich in coal resources. In recent years, it has faced a series of problems such as the loss of land resources and the destruction of the ecological environment. About 84,000 mu of land have been submerged due to coal mining, which has become a major problem that has plagued local development. The surface floating photovoltaic project is located in Panji District, Huainan City, Anhui Province. The Three Gorges New Energy Company of China Three Gorges Corporation used the idle water surface in the coal mining subsidence area. The subsidence area for coal mining will be transformed from "containment" to "wealth", and the industrial layout will be shifted from "underground" to "above the ground", and the development mode will be changed from "black" to "green". It is reported that the project plans to achieve all grid-connected power generation in May 2018. After completion of the project, the annual power generation will be about 150 million kWh of clean electricity, equivalent to about 530 hectares of broadleaf forest plantation, saving about 53,000 tons of standard coal per year, and reducing carbon dioxide. About 195,500 tons of emissions, about 54,000 cubic meters of deforestation, can meet the electricity demand of about 94,000 households in urban and rural areas. In addition, compared with conventional photovoltaic power plants, floating photovoltaic power plants install photovoltaic power generation components on floating bodies on the water surface, which has the function of not occupying land resources, reducing the evaporation of water, and blocking the sunlight from floating bodies to inhibit the growth of algae. At the same time, The cooling and cooling of the cable can significantly increase the power generation efficiency. Taking this photovoltaic project as an example, the 40MW power generation capacity is about 48,000 degrees a year, and a conventional thermal power plant needs to consume about 300 grams of coal at a time. This power station can save more than 10,000 tons of coal annually. Moreover, the speed of construction of photovoltaic power stations on water is fast, and there are few other interference factors. In addition, after normal power generation, the lower the water surface temperature is, the higher the power generation is, and there is an “advantage†of power generation gain of 5% to 10%. According to Xiao Fuqin, deputy general manager and chief engineer of Huainan Sunshine Floating Buoy Technology Co., Ltd., the project was all installed using a floating body, and solar panels were installed on the floating body. Each cell has a 3MW array and consists of more than 10,000 solar panels. The entire plant area consists of over 160,000 solar panels. Xiao Fuqin said that compared with the ground power station, the floating photovoltaic power station will increase the cost of 0.3 yuan to 0.5 yuan per kWh, and the power generation per unit area can increase by 5% to 10%, so the total revenue is similar. However, the other significance of the project is to change foreigners' understanding of China's energy development and utilization. Lu Chung, chairman of China Three Gorges Group, expressed that it is necessary to strive to build this project into the world's largest, most technologically advanced, and highest-level water photovoltaic quality project, summing up a set of reproducible water photovoltaic construction experience and technical standards. Automobile's "Mobile Charging Pod": The world's first photovoltaic highway lands in China At the end of December, the Jinan South Ring Expressway will be officially opened to traffic, becoming the world’s first freeway to carry research and development and laying of photovoltaic roads. This means that the future road becomes a charging treasure, and charging will take place while driving. Figure: The world's first photovoltaic highway Specifically, the road surface uses a technology called a load bearing type photovoltaic road surface, in which a photovoltaic power generation component that meets the traffic conditions of the vehicle is directly laid on a road surface. The high-speed road surface can be divided into three layers: the surface is in contact with the pedestrians of the vehicle. The transparent layer is used for the protective layer. It can not only carry the small electric vehicles, but also can carry medium-sized trucks. Its technical indicators and traffic safety factors are both Exceeds the asphalt concrete pavement that is commonly used today. The middle layer is the original layer of Shengsheng Power. It is a photovoltaic power generation module that can generate electricity. The bottom layer is the insulating layer that blocks the moisture below. Zhang Hongchao, a professor at the School of Transportation Engineering at Tongji University, said that by linking up with electric vehicle technology, photovoltaic roads can be used for mobile charging, and highway networks throughout the country will become a mobile "solar charging treasure." China PV: Curve Road Overtaking to Lead the World According to industry insiders, the rapid development of China's photovoltaic industry has been calculated by the United States. In September of this year, the United States International Trade Commission (ITC) stated that the imports of solar photovoltaic cells produced by China, South Korea, and Mexico increased significantly, resulting in the loss of the domestic industry. According to "Section 201," ITC will launch a global survey of the industry. Focusing on solar energy and other new energy sources, listed solar energy company chairman Cao Renxian told Global Times reporters in an interview on the 25th that the reason why the United States launched the “Section 201†investigation on imported PV products was mainly because of the Chinese PV industry’s technology. Innovation and cost reduction have led the world, allowing the United States to stand. Recently, at the 8th OFweek 2017 China Solar PV Summit Forum, Zhou Lang, Dean of the Institute of Photovoltaic Research, Nanchang University, said that 10 years ago by the international photovoltaic community that is almost mature, no room for development, unbearable parity of silicon photovoltaic technology , Nirvana revived on the hot land of China's photovoltaic industry. Today, cheap Internet access is not a problem for the photovoltaic industry because photovoltaic power has become the cheapest electricity in many parts of the world. He pointed out that the photovoltaic industry has become an industry dominated by the Chinese market. The scale of China's photovoltaic industry is already the first in the world, and the application market scale is also the first in the world for five consecutive years. Related technologies and production line equipment have been fully domesticated, and the mass production efficiency of polysilicon and monocrystalline silicon components has also maintained a world record. “Only two years ago, the Chinese market accounted for less than 10% of global PV demand,†said Michael Barker, senior analyst at NPD Solarbuzz. “However, in the fourth quarter of 2012, China accounted for three points of global demand. One of them has opened up a new chapter in the photovoltaic industry. China is also likely to become the center of photovoltaic upstream manufacturing and downstream applications. It is reported that in the fourth quarter of 2012, China became the world's largest photovoltaic module terminal market, and the Chinese market demand accounted for global The total market demand is 33%. The rapid rise of the Chinese market has several factors, including that the European market has slowed down due to the downward adjustment of stimulus policies, while the Chinese government has launched a series of strong policies to expand the domestic market while supporting domestic manufacturers. However, Zhou Lang concluded that photovoltaic power generation has not yet achieved an ideal market share for the entire electricity market. The next development of photovoltaic power generation should be the protagonist of the electricity market with the support of technologies such as energy storage. “The photovoltaic industry has passed the infancy and entered a healthy growth period. The status of technological innovation has greatly increased. However, China's photovoltaic industry still lacks original innovation capabilities, so the industry must prepare for the future and look forward to newer technology introductions.†The United Nations International Energy Agency's Black Rice Bahar said: China has now ruled the photovoltaic power generation field. More than 60% of the world's solar panels are made in China. We should not underestimate this figure. The biggest obstacle to the development of the photovoltaic industry is solar energy. The high cost of battery panels.
