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"Hello, I am Jiashan to schedule Gaoli." "Hello, I am Qingpu to dispatch Liu Chao." "Due to sudden failures, the line after Jiashan 10 kV Yuhui changed the line of Qingpu." "Received!" Recently, 35 kV Yuhui transformed power stations in Jiashan County, Zhejiang Province failed.

Since the summer, the Yangtze River Delta has encountered large -scale continuous high -temperature weather. In order to ensure that the normal power consumption of residents does not affect the normal power consumption of the residents when the failure is eliminated, the State Grid Jianshan Power Supply Company immediately contacted the State Grid Qingpu Power Supply Company and decided to follow the "Yangtze River Delta Integrated Electric Power Supply Agreement Agreement". The electrical power of the distribution network was transferred to Jiashan to ensure reliable power supply.

▲ State Grid Zhejiang Jiashan Power Supply Company Employees to carry out electricity cross -regional protection work through the integrated data sharing of the Yangtze River Delta and business collaborative platform

State Grid Jiashan County Power Supply Company Xitang Power Supply Station's operation and maintenance professional employees and employees of substation transportation inspections found that the fault point is located on the 10 kV Yure Line. Due to the continuous high temperature, the number of No. 4 to 5 line on this line is on the line. The arc falls down, and the lightning needles to the roof below are discharged, causing the line to ground, and it is necessary to repair it as soon as possible.

About half an hour later, the employees of the operation and maintenance company of the State Grid Jiashan County Power Supply Company and the State Grid Qingpu Power Supply Company arrived at the scene. With the inter -provincial distribution line Jiashan -Qingpu 1 contact switch changed to operating status, Yuhui, Jiashan County, The clients in the area were changed from the 35 -kilovolt pond transformation station in Shanghai. After more than 4 hours of repair, employees of the State Grid Jianshan County Power Supply Company eliminated the bus failure at 16:50 and restored the power supply.

On the same day, the 30 public transformers and nearly 900 special transformers of the 10 kV Yuhui Line of Jiashan County, nearly 900 customers of nearly 900 customers, supported Jiashan County's electricity volume of 1900 kWh. This is the first time that the "Yangtze River Delta Integrated Electric Power Supply Agreement Agreement" has been signed since the signing of the mutual aid agreement of the 10 kV inter -provincial distribution network.

On June 23 this year, Qingpu District, Shanghai, Wujiang District, Suzhou City, Jiangsu Province, and Jiashan County Power Supply Company, Jiashan County, Jiaxing City, Zhejiang Province signed the "Yangtze River Delta Integrated Power Supply Aid Agreement". Integrate resources of all parties in the operation management, maintenance and maintenance of the grid facilities, maintenance and maintenance, fault repair, emergency linkage and other aspects, establish a model of "interconnection, interoperability, mutual preparation, and mutual preparation" of inter -provincial provinces, support the protection work of the entire capacity, increase the network, increase the network Raiders, improve the level of power supply services, and ensure the supply of power in the three places.

▲ Five power supply of Qingpu, Wujiang, and Jiashan is located in Hubin Village, Jiashan County, and carried out electricity emergency repair drills

After the signing of the mutual assistance agreement, the State Grid Jianshan Power Supply Company used the 10 kV inter -provincial distribution network liaison line built in 2019 to carry out power access work. "Under the regular operation method, the 35 kV Yuhui transformation station of Jiashan was powered by the 35 kV Shanyu line of Jiashan." According to Huang Quanfei, the director of the Power Schedules and Control Sub -Center of the State Grid Jiashan County Power Supply Company, since the signing of the agreement, the Yuhui transformation power station has been mainly from the previous before. The Qingpu 35 kV Qianyu line is powered by the 10 kV level.

After the agreement was signed, the State Grid Qingpu Power Supply Company inspected the three places across provincial contact line -related equipment to analyze and predict the demand for electricity consumption in the interconnected areas of the three places.

"From the signing of the agreement until August 31st, we passed the 35 -kilovolt Ganshu Line and the 10 kV inter -provincial distribution network liaison line to confess a total of 9.6092 million kilowatt -hours of electricity. , Enterprise's normal life production. "Yang Guojian, director of the Electric Power Schedule and Control Center of the State Grid Qingpu Power Supply Company.

▲ State Grid Qingpu and Jiashan Power Supply Company carried out the Yangtze River Delta cross -provincial joint -joint joint operation

In order to do a good job in the preservation of electricity in the summer, the load prediction information of Qingpu, Wujiang, and Jiashan power supply companies has more closely connected the load prediction information, which improves mutual supply efficiency. By establishing a cross -regional emergency contact mechanism, the three places power supply companies have also realized the ability to share emergency resources information and complement each other, and further enhance the ability to deal with the fault of integration.

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