"Development is the foundation and key to solving all problems in China." Specific to the energy sector, it is necessary to "promote the energy production and consumption revolution and build a clean, low-carbon, safe and efficient energy system." State Grid Jiangsu Suzhou Power Supply Company fully implements this The concept is to accelerate the construction of smart grids in order to better promote the green transformation of urban energy and to fuel and assist in the establishment of a model city for international energy change and development.
Strong smart grid makes Suzhou use electricity without worry
On April 10, Wang Weidong and Zhou Xiaofeng, power supply service personnel of Suzhou Changshu Power Supply Company, came to Changshu Tiannian Agricultural Technology Co., Ltd. to conduct a comprehensive inspection of the company's farm power lines and distribution facilities to ensure reliable electricity use in the autumn harvest season. .
Seeing that the power supply service personnel came to the door again, Gao Jianhao, the chairman of Tian Niang Agricultural Technology Co., Ltd., was very happy and told them the electricity consumption during this time. "In the past, when the farm used a large amount of electricity, it always tripped. After the implementation of the grid expansion and transformation, the power consumption will no longer have to worry about me." Gao Jianhao said.
Located in Guli Town, Changshu City, Tian Niang Farm operates more than 6,800 mu of land and specializes in rice, vegetables and fruit trees. With the development of modern agricultural planting technology, the number of farm electrical equipment has increased substantially, and the demand for electricity has increased year by year, resulting in insufficient power. In order to ensure its normal use of electricity, the Changshu City Power Supply Company implemented power expansion on the farm. Now, sufficient power is driving the efficient operation of the entire farm.
Like Tian Niang Farm, in recent years, with the economic development of Suzhou, the demand for electricity in Suzhou has been growing. In order to protect customers' electricity consumption, Suzhou Power Supply Co., Ltd. takes overall care and scientific planning to accelerate the development of the power grid. At present, Suzhou Power Grid has basically formed a strong smart grid pattern with UHV AC and DC as support, 500 kV as backbone network, 220 kV partition operation and coordinated development of distribution network.
While the power grid is stronger, Suzhou Power Supply Company seizes the opportunity of smart grid construction. In 2015, in accordance with the cooperation agreement between the State Grid Corporation of China and the Jiangsu Provincial Government, Suzhou Power Supply Company took the lead in launching the construction of the country's first smart grid application pioneer zone and demonstration zone, and planned to invest 33 billion yuan to build Suzhou Smart Grid during the 13th Five-Year Plan period. Make it a world-class city grid. Suzhou Power Supply Company introduced the distribution network automation system, which can automatically judge and automate the faults. Once the grid fails, the operator can automatically locate the fault point through the system. The fault isolation scheme is formulated at the first time to isolate the fault to a minimum extent, and the repair personnel are notified to rush to the scene for repair. The isolation and recovery power supply time of the fault point is shortened from the hour to the minute.
Electricity-driven urban energy green transformation
On October 26 last year, in the drying center of Xiajiadou Agricultural Machinery Cooperatives in Wujiang District, Suzhou, the rice that had just been dried out of the warehouse fell down along the grain conveyor and became a hill. "At this time in the past year, we were busy sending rice to the outside for processing and drying. Now we have an air source heat pump dryer. We can dry the rice ourselves, and it is convenient and saves money!" Xia Jiadou Agricultural Machinery Shen Cailin, head of the cooperative, said with emotion.
Shen Cailin planted more than 2,000 acres of rice. In order to ensure that so many rice harvested in time, Shen Cailin invested more than 4 million yuan in 2017, built a drying center, and added 6 sets of air source heat pump dryers. At present, the drying center can dry 20 tons of rice every day, only need to use 1000 degrees of electricity, the energy cost is about 500 yuan, 70% lower than the fuel drying technology, and only two or three laborers can operate, greatly improving Work efficiency.
Drying food with electricity is just a microcosm of Suzhou's energy transformation. Since Suzhou built a model city for international energy change and development in 2016, Suzhou Power Supply Company has achieved fruitful results in clean replacement and electric energy replacement. In 2016, Suzhou Power Supply Company promoted 1,127 electric energy replacement projects, replacing the increase in electricity sales by 2.46 billion kWh. In 2017, 826 electric energy replacement projects were completed, replacing the sales of electricity by 2.81 billion kWh.
Behind the numbers is the transformation of Suzhou's energy use. Suzhou Gusu District and Industrial Park took the lead in achieving the complete elimination of coal-fired boilers of less than 10 tons and became the first coal-free demonstration area in Suzhou.
In terms of green energy transportation construction, Suzhou's steps have also gone very fast. At present, 86 electric vehicle charging stations have been built, and the “3km charging circle†has been built in the core city of Suzhou. In 2018, the “2km charging circle†in the core city will be realized. In addition to electric vehicles, Suzhou has also achieved a full range of shore power along the river, along the lake, along the river. Now Suzhou's water and land transportation uses clean green power.
If the Suzhou Power Supply Company injects momentum into Suzhou's energy transformation and model city construction, then the establishment of the State Grid (Suzhou) Urban Energy Research Institute provides strong support. On August 10 last year, the State Grid (Suzhou) Urban Energy Research Institute was unveiled in Suzhou. As the world's first important platform to research and promote urban energy transformation, the institute will provide strategic guidance, technical support and industrial support for the construction of Suzhou model cities.
In the next step, Suzhou Power Supply Company will continue to earnestly study and implement the spirit of the 19th Party Congress, continue to promote the transformation of Suzhou's energy, accelerate the construction of a model city for international energy transformation and development in Suzhou, and deliver a green card for the development of the city.
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