Along with Typhoon Maidem, the 10th typhoon this year, a delegation from China Energy News came to Jiangshan City, Zhejiang Province. The largest photovoltaic power station and efficient agricultural complementary project in East China saw that the Fenglin photovoltaic agricultural project of Zhejiang Tongjing Group was in full swing here. . This project is located in Fenglin Town, Jiangshan County, Zhejiang. The first phase of the 30MW project has a total investment of 250 million yuan and a total planned area of 833 acres. The power station generates 40 million yuan annually and can reduce the use of 320,000 tons of standard coal during the life of the power station. It will be It will be connected to the grid to generate electricity in mid-August.

　　East China is a region with peak electricity consumption. The average annual solar radiation is 4190-5016MJ/㎡, and the average annual sunshine is only 1400-2200h. Land resources are very tight, so there have always been few large-scale photovoltaic ground power stations in the south. As the only large-scale photovoltaic power station in East China, the Tongjing Fenglin photovoltaic power station project not only fills this gap, but also effectively combines photovoltaic power stations with efficient agriculture, and the power resources can be transported and consumed locally, which also makes Even before the project is completed, it has received support from governments at all levels and is favored by local farmers.

　　In an interview with China Energy News, Mr. Wu Jiannong, chairman of Zhejiang Tongjing Technology Co., Ltd., could not hide his joy: he was imagining that the dream of a perfect combination of intelligent photovoltaic power stations and efficient agriculture would soon become a reality. Due to the adoption of a comprehensive development model of smart photovoltaic power stations and high-efficiency agriculture, solar power generation, modern agriculture, and traditional Chinese medicinal material planting are combined, and one land is used for multiple purposes, which increases agricultural income and reduces power generation costs. It will play an active role in preventing soil erosion and improving comprehensive land utilization efficiency. effect.

　　Years of accumulation in the energy saving industry

　　Comply with the development needs of new energy photovoltaic

　　Tongjing Technology, formerly known as Sanyou Electronics, was the world's largest energy-saving lamp manufacturer as early as 2002. After several years of rapid development, in order to adapt to the company's innovation and development needs, it took the initiative to transform three years ago and withdrew from the lighting industry. March towards a sunrise industry such as solar energy application and solar power station development.

　　Choosing the photovoltaic industry is not only based on our more than ten years of management and market development advantages in the field of energy-saving lighting, but more importantly, we have a mechatronics technical team that is particularly capable of fighting, enduring hardship, and overcoming difficulties. Wu Jiannong introduced. In the preliminary investigation and research of choosing the photovoltaic industry, Tongjing Technology found that solar power station tracking systems generally have problems such as insufficient reliability, poor wind resistance, and large area of area, which have been restricting the increase in power generation of solar power stations. Tongjing Technology Science and Technology has put forward innovative development goals for these three aspects, and at the same time adopted the principle of cost control.

　　After long-term research, on the one hand, major improvements have been made in the principle of the tracking system. A special soft connection is used at one end of the battery array board to control it, which not only increases the stability of the battery board, but also facilitates tracking and offset rotation. This completely solves the problem of wind oscillation and the longevity of the tracking system; on the other hand, the control system uses a motor to drive the linkage of multiple battery array plates through universal joint transmission, and can realize tracking linkage of up to 18 battery array plate brackets. ; At the same time, it is also possible to use a 100-watt motor and use the torque amplification effect of the rope, so that each battery array plate only needs a small torque and makes gap motion to realize tracking of the changes in the solar panel as the sun shines.

　　In this way, the overall use of equipment costs such as the number of motors is reduced, the tracking power consumption is reduced, the control software and the elimination of traditional expensive motors and reducers are reduced. The cost of power station development is reduced from the source compared with traditional oblique single-axis tracking systems. The third is that traditional ground power stations occupy a large amount of land, while Tongjing's power station is characterized by its ability to automatically adjust according to changes in terrain. At the same time, each battery array panel has four foundation piles placed directly on the ground without digging the land. It has been designed to withstand Category 12 typhoons and has structural design features.

　　This kind of foundation pile only occupies 1% of the floor area and basically does not damage the cultivated land. At the same time, the tracking system can be adjusted in time, so that the battery panels can be erected to facilitate the entry of large machinery to achieve mechanized farming. Precisely because the temperature in the south is high and the crop growth period is short, after the solar panel is installed, it can block 30% of the sunlight. The temperature of the crops will be reduced by reducing the direct sunlight under the solar panel, which can form a microclimate growth environment and increase the growth of crops. period to improve crop quality. To this end, we have established a specialized agricultural service development and management company to carry out agricultural development for our power station's agricultural and photovoltaic complementary projects. At the same time, we will plant various shade-loving crops, Chinese medicinal materials, etc. under the panels according to different situations, thereby improving the comprehensive quality of the power station. development and economic benefits.

　　Strong integration

　　Build smart photovoltaic power stations based on information technology

　　On the one hand, Tongjing Technology strengthens cooperation with domestic universities in scientific research and talent training, while also strengthening the company's independent innovation and technology research and development capabilities; on the other hand, it strengthens cooperation with powerful and technological international companies like Huawei Technologies. Leveraging Huawei's international leadership and deep accumulated advantages in the fields of digital information, communications, and Internet technologies, as well as its pioneering cross-border integration of digital information technology, Internet technology, and photovoltaic power generation technology in smart photovoltaic solutions, we are committed to creating a truly Meaningful smart photovoltaic power station.

　　Tongjing Technology is the first company in the world to use an inclined single-axis linkage tracking system and an optimized configuration of lean component systems on the roof to maximize power generation benefits. Wu Jiannong said that the usage data of the 470kW Aushite rooftop project in Quzhou, Zhejiang, which was completed in April this year, shows that after adopting the autonomous tilted single-axis tracking system, the power generation can be increased by 20%. After using Huawei string inverter, it can be further improved. Increase the power generation by 10%; if improvements are made in electrical appliances, I believe the power generation can be increased to 30%.

　　Our cooperation with Huawei is not only because Huawei is the world's leading provider of information and communication solutions, but also has established advantages in smart photovoltaic power station solutions in the fields of telecommunications networks, enterprise networks, consumers, and cloud computing. More importantly, Huawei's leading edge in technical quality indicators enables the power station to better increase power generation, improve safety, stability, and convenient operability. Huawei's rapid operation and maintenance services also lay a solid foundation for improving the quality of power generation and power supply. . Our cooperation with Huawei will also play a positive role in promoting the innovative development of future smart photovoltaic power stations. This will also strengthen our confidence in becoming a partner with Huawei and our determination to integrate with Huawei in smart technologies such as information and the Internet. Wu Jiannong pointed out.

　　The smart photovoltaic power station solution enables high-speed wireless transmission signals to cover the entire power station. No matter where the staff goes, they can track and view the power generation, operation, and management status of the power station anytime and anywhere. Talking about the future, Wu Jiannong said that he will create a truly intelligent photovoltaic power station management model, introduce drone inspections, robot maintenance, etc., to truly realize digital photovoltaic power stations, make power stations simpler, and intelligent photovoltaic power station management with automated operation and maintenance. Tongjing Technology is committed to building a photovoltaic power station into an innovative model that integrates tourism, scientific research, education and training, ecological agriculture, and photovoltaic power generation.

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