The power grid is an important energy infrastructure with large investment scale, long industrial chain and strong economic drive. The reporter from Seedao.com learned from State Grid that State Grid Corporation of China has accelerated the construction of major projects, fully released the driving effect of electric power investment, helped to smooth the industrial chain and supply chain cycle, effectively promoted the development of upstream and downstream industries, and vigorously promoted stable employment. Serve the overall situation of "six stability" and "six guarantees".

Busy wireline construction in the hinterland of Daliangshan

In Guli Town, Zhaojue County, Liangshan Yi Autonomous Prefecture, Sichuan Province, the construction of the tower line at the N0147 tower in the first bid section of the Baihetan-Zhejiang ±800 kV UHV DC transmission project is in full swing.

"Because of the high altitude and geographical location, the weather at the construction site is changeable, especially the direct sunlight at noon, but we have flexibly adjusted the working hours and work content to ensure that the construction progress will not be affected." On September 2, he has been at the work site Wang Pei, the construction project manager of the Sichuan 1 tender section, who carried out safety inspections, said. At present, the construction project department of State Grid Sichuan Power Transmission and Transformation Engineering Co., Ltd., according to the local characteristics of high temperature and strong ultraviolet rays at noon every day, and the fact that the wind is too strong every afternoon to carry out high-altitude operations, misunderstood the "wind" construction and made every effort to Promote project construction.

Baihetan-Zhejiang UHV project starts from the second-phase converter station in Baihetan, Butuo County, Liangshan Yi Autonomous Prefecture, Sichuan Province, and ends at the Zhebei Converter Station in Hangzhou City, Zhejiang Province. Among them, the Sichuan section passes through Liangshan, Yibin, Zigong, and Luzhou, with a total length of 393 kilometers and a total investment of 8.6 billion yuan.

The Sichuan section of the Baihetan-Zhejiang UHV project is undergoing comprehensive wireline construction. 88.73%, 80.12%, and 76.56% of the total have been completed for wire lay-out, wire tightening, and attachment installation, respectively. With live condition.

The construction of the project has effectively stimulated local employment and increased the income of residents. "There are more people coming to the town now. The villagers can not only do small businesses to make money to support their families, but also send young workers from their families to the construction site to study," said Biqu, the mayor of Jiudu Town, Butuo County. Since the construction of this project, many young people in the village have come to work. Some people have also passed the examination for the special operation certificate and become high-altitude operators, and their monthly income has increased several times.

Next, the State Grid Sichuan Transmission and Transformation Company will simultaneously speed up the construction of various construction tenders. It is expected that more than 3,000 people will participate in the construction, which will effectively stimulate local employment.

In a large labor exporting province, jobs are delivered to your doorstep

On September 9, at the construction site of Section 1 of the 1000kV Nanyang-Jingmen-Changsha High Voltage AC Line Project located in Fangcheng County and Tanghe County, Henan Province, the line deficiencies are being eliminated in an orderly manner and power is being delivered to the project. Lay a solid foundation for operation.

The Nanjingchang UHV project is the first UHV project to be constructed during the "14th Five-Year Plan" period in Henan. It is an important part of the "Japanese" UHV AC ring network in Central China. After it is put into operation, it can strengthen the grid structure of the Central China Power Grid. It can significantly improve the inter-provincial power exchange capacity of Hubei, Henan, and Hunan, and meet the needs of Hunan, Hubei, Henan and other provinces to send and receive electricity. . In 2022, State Grid Henan Electric Power Company will keep an eye on the operation target and efficiently promote the project construction on the premise of ensuring the safety and stability of production.

The 1st bid section of the Nanjingchang UHV project has a total length of 101.162 kilometers and a new iron tower with 204 bases. Construction will start on June 9, 2021. The lot has crossed high-speed railways, highways, power lines, etc. many times, and the construction safety risks are high. Among them, the project spanning the main canal section of the South-to-North Water Diversion Project has a span of 582 meters, and the closed net is 40 meters long and 32 meters wide. The crossing angle is small, and the operation is difficult. State Grid Henan Transmission and Transformation Engineering Co., Ltd. dispatches employees with strong business ability and rich on-site management experience to each operation team and construction site, strictly controls the construction safety of each site, and uses the infrastructure "e safety" application and safety production. The risk control platform realizes the real-name management of operators and precisely controls each construction plan.

"We must ensure safety during the construction period." Wang Hailiang, head of the UHV Department of State Grid Henan Electric Power, said, "We strictly implement the safety responsibilities at all levels, and comprehensively implement policies to promote the construction of the project." According to him, the dynamic general manager of the Nanjing Chang UHV project The investment of 8.359 billion yuan plays a positive role in driving the stable production and healthy development of upstream and downstream enterprises in the electric power and machinery industries, and helping stabilize the economy.

Luo Bin, an account manager of a power cable company in Jiangsu, said that since the resumption of work and production in 2022, they have been actively expanding the market. UHV projects such as Nanjingchang have greatly helped stabilize jobs, full production, and stable operations. The confidence of enterprises to continue to innovate and expand production.

In Henan, a province with a large number of migrant workers, the construction of the Nanjingchang UHV Project has enabled many people to earn money at their doorstep, promoting local employment and stable economic development. Fan Mingyi, the project manager of State Grid Henan Construction Branch, the owner of the bidding section, introduced that during the peak construction period, there were nearly 700 operators on site for this bidding section, most of them from Henan Province, and the average monthly income of aerial workers could reach 15,000 yuan.

The earlier the project is completed and put into operation, the earlier the benefits will be realized. Faced with the fact that the effective construction period is shortened due to factors such as the new crown pneumonia epidemic, State Grid Henan Electric Power adheres to "unadjusted plans, unabated tasks, and unchanged goals". When the terrain of the construction site meets the requirements of mechanized construction, all mechanized operations are used. , improve the overall construction efficiency. During the construction golden period when the weather is good, the company has increased the construction force and investment in machinery and equipment. During the peak construction period, a maximum of 22 tower construction teams, 2 wireline construction teams, 4 accessory installation teams and 16 sets of tensioners were invested in a centralized manner. Equipment, 8 lighting vehicles, to ensure the continuous construction requirements of the site.

A complete industrial chain has been built in Reservoir Immigration New Village

In Liubo Town, Jinzhai County, Anhui Province, the State Grid Xinyuan Jinzhai Pumped Storage Power Station is in full swing. "The power station has a very large driving effect on the local economy. During the construction period, the power station has a large demand for steel bars, cement, and sand and gravel, which has stimulated the sales of local infrastructure products. Taking natural sand as an example, in order to meet the sand demand of the power station , we opened a sand factory in 2018, and now we have provided more than 2 million tons of natural sand for the power station." said Ge Shaowu, general manager of Jinzhai County Urban Development and Investment Co., Ltd. On the basis of the sand factory, they also established a stone factory, which sells to the northern Anhui region, which strongly supports the local economic development.

The pumped storage power station has the advantages of large investment and long construction period, strong driving force and significant medium and long-term economic benefits. Improving the stability and modernization level of the industrial chain and supply chain plays a very important role in stabilizing investment, ensuring employment, and benefiting people's livelihood. The State Grid has stepped up the construction of pumped storage power stations, and strives to reach 100 million kilowatts of installed capacity of pumped storage power stations in operation by 2030.

Employment is the biggest livelihood. Xia Maocheng, a villager from Guantian Village in Liubo Township, is the driver of the Jinzhai Pumped-storage Power Station. Before 2017, he and his wife were working in Shanghai. They had no time to take care of the elderly and children at home, and their income was unstable.

After learning that the power station was recruiting drivers, in November 2017, Xia Maocheng and his wife returned to their hometown. "Our home is in the new immigrant village next to the power station. I walked to and from get off work in a few minutes. My wife works at the gas station in the town, and now she can take care of her family." Xia Maocheng said that he has worked at the power station in recent years, and his income has not at all. Affected by the epidemic, the daughter who is in junior high school is doing well, and the younger son is also in primary school. The family is happy.

Skilled craftsmen show their skills in the intensive project site

On September 6, at the construction site of the 1,000 kV Jingmen-Wuhan UHV transmission project across the Han River in Zhongxiang City, Jingmen, Hubei Province, the construction staff of State Grid Hubei Transmission and Transformation Engineering Co., Ltd. installed spacers and anti-vibration on the wires. hammer. After more than 10 days of wiring and installation of accessories, the main project of the line across the Han River was completed.

The Jingmen-Wuhan UHV project is an important part of the "Japanese"-shaped UHV AC ring network in central China. The completion and commissioning of the project can promote the mutual assistance of electricity between provinces in central China. Since the start of the project in March 2021, a number of construction units, including the State Grid Hubei Transmission and Transformation Company, have made every effort to promote the project construction to ensure that the project is put into operation as planned.

On the construction site of the 6th lot of the project, the crane driver Shang Erhu sat in the crane operation room, and focused on operating the hook control lever according to the instructions, and lifted the tools on a truck to the ground. Shang Erhu, 36, from Xiangyang City, used to work in an automobile manufacturing company and holds a special vehicle operating license. When he heard that the State Grid Hubei Transmission and Transformation Company had hired a UHV engineering crane driver, he and Fan Mingjie from Dengfeng City, Henan Province participated in the recruitment and were hired. In November 2021, Shang Erhu and Fan Mingjie entered the site and began to participate in the construction of UHV projects. The two were responsible for driving 25-ton and 60-ton cranes respectively. For 9 months on site, Shang Erhu can get stable income every month. In addition to not being able to go home often for field construction, he is quite satisfied with his work at the UHV construction site.

The investment in the construction of UHV power grids involves a wide range of areas and has a strong driving force. At the beginning of the Jingmen-Wuhan UHV project, State Grid Hubei Transmission and Transformation Company purchased 13 cranes and leased a large number of professional mechanized construction equipment. After the project started, the company not only recruited a large number of construction personnel, but also rented 32 excavators and 9 cranes locally, purchased more than 70,000 cubic meters of commercial concrete and more than 6,000 tons of steel.

In 2022, State Grid Hubei Electric Power Co., Ltd. will undertake a total of 8 UHV projects under construction and newly started in Hubei. Among them, the Baihetan-Jiangsu project has been put into operation on schedule. State Grid Hubei Electric Power is accelerating the Jingmen-Wuhan, Nanyang-Jingmen-Changsha, Zhumadian-Wuhan UHV AC and Baihetan-Zhejiang UHV DC projects. These projects, together with the UHV projects that have been approved and are striving to be approved, are expected to directly drive tens of billions of yuan in equipment output value and create more than 38,000 upstream and downstream jobs. Editor / Xu Shengpeng