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The first standardized low-voltage uninterruptible operation in Zhejiang Province

Polaris power transmission and distribution network news: at about 14 p.m. on April 6, a yellow live working bucket truck stopped at the entrance of Chengyang village, Dongqianhu town. There is a crisscross low-voltage integrated line above the vehicle. At this time, the low-voltage live working personnel of State Grid Ningbo Yinzhou District power supply company are preparing various insulation tools and equipment in an orderly manner to make final preparations for the first standardized low-voltage uninterrupted operation in the province. The development of standardized low-voltage uninterrupted power operation will not only improve the safety of operators in an all-round way, but also greatly reduce the power outage time of low-voltage residents, gradually promote zero perception of rural equipment maintenance, and greatly improve the reliability of regional power grid.


"Today is the first time our company has carried out standardized low-voltage uninterrupted power operation, so every link should be carried out according to the standard." What will be carried out on the same day is the installation of grounding ring without power failure. Xu Jianqiao, who participated in the operation, said that low-voltage live line operation seems to have a small risk factor, but the air operation space is small and the current is large, which is easy to cause arc. Although he had many such operations during training before, it was the first time to install the grounding ring according to the standardized low-voltage live working mode on the pole, and it was still difficult to operate.


Put on brand-new arc proof clothes, insulating gloves and low-voltage insulating Helmet Mask. After taking all safety measures, Xu Jianqiao and Cui Minjie, the experienced employees of the live line operation team, boarded the bucket truck and slowly rose to the end of the low-voltage overhead line with a height of more than 10 meters. They covered the white low-voltage insulating blanket on the line for shielding. Then, Cui Minjie passed tools aside, Xu Jianqiao skillfully operated in the air.


At No. 6, Chengyang village opposite the construction office, there lived an 88 year old Yang Genli. At this time, she was washing spring bamboo shoots in front of the house. When she saw the power supply staff working on the electric pole, she immediately went into the house to see if the indicator light of the TV was on. She said she lived alone. She was old and had bad legs. After every power failure, she had to find someone to restart the TV, otherwise she wouldn't turn on the TV“ I didn't expect that there was no power failure in the house when the wires were repaired. Will there be no power failure in our village in the future? " The old man looked at the live working staff in the air and asked Chen Jie curiously.

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"Rural revitalization, power first. Chengyang village is a model village for Rural Revitalization in Ningbo. Through the implementation of standardized low-voltage uninterrupted power operation, rural residents can enjoy the same reliable power supply as the city. " Chen Jie, the person in charge of the project, said that through this operation, we will explore, summarize and summarize the practical problems encountered in the operation process, and accumulate rich practical experience for the safe and efficient promotion and implementation of standardized low-voltage live line operation in the province in the future.


Chengyang village is located at the junction of Ningbo Dongqian Lake Tourist Resort and dameishan tourism plate. The village is rich in natural and cultural resources. At present, it has become an online punch in point for weekend tourists. In order to build an "ecological card" for Chengyang village, Ningbo Yinzhou District power supply company of State Grid started the construction project of Chengyang village boutique platform area at the end of last year. According to the village's concept of "art revitalizing the village", combined with the village appearance, architecture and landscape layout, scientifically formulate the line transformation scheme to realize the pole free 10 kV line in the whole village, The installation of grounding ring without power failure is also a preparation for the upcoming power line rectification and pole less transformation.


The bucket truck danced in the blue sky. With the cooperation of Cui Minjie, Xu Jianqiao skillfully installed eight grounding rings on the line. This also marks the complete success of the first standardized low-voltage uninterrupted power operation in Ningbo.


Original title: the first standardized low-voltage uninterruptible operation in the province was successfully piloted in Yinzhou