Robot for the first time for UHV transmission testing

From the State Grid Shandong Electric Power Research Institute learned that the hospital independently developed to be attached to the UHV transmission line insulator string to carry out operations on the robot recently successfully applied to silver (Chuan) (Hill) East HVDC transmission line located in Texas Yang Zhuangcun County, No. 1894 on the power transmission tower. This is the first robot in the world to carry out ± 660 kV insulator inspection.

The robot was attached to the porcelain insulator strings at a height of more than 40 meters and was remotely controlled by scientific researchers. Under the tower video surveillance screen real-time display of robot images, researchers can clearly see the appearance of the insulator string is dirty, whether there is a defect steel pin. Resistance measurements made simultaneously are also stored on the robot.

Insulator flashover caused by pollution is second only to lightning in power transmission accidents, and the pollution flashover incurs 10 times the loss of lightning accidents.

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