Peng Shui: Drone infrared temperature measurement helps power grid inspection fly

On August 17, under the scorching sun, the staff of the transmission and inspection team of State Grid Pengshui Power Supply Company came to the No. 1 main transformer of the 220 kV Pengshui Station to conduct drone infrared temperature measurement to ensure the safety and reliability of the power grid during the high temperatures in summer. .

It is reported that as the temperature continues to rise, the power load of Pengshui Power Grid continues to rise, and some high-voltage transmission lines are already under high load. In order to ensure the normal use of electricity for residents during the peak summer season, the transmission and transportation inspection team of State Grid Pengshui Power Supply Company used drones to conduct "physical inspections" of high-voltage transmission equipment.

Under Hu Guohong's skillful operation, the drone rose steadily to high altitude and shuttled through the substation according to the planned route in advance. Every time it reaches an inspection point, the drone will stop briefly and look at the equipment "seriously" with its lens. At the same moment, two images, visible light and infrared, are clearly displayed on the display screen. "It can be seen that the current temperature of the main transformer switch joint is 47.2 degrees Celsius, and the equipment is running well." Hu Guohong said.

Use drones to conduct "physical examinations" of high-voltage power transmission equipment. Photo by Liu Tingwei

Compared with ordinary infrared temperature measurement, drone infrared temperature measurement can reduce the labor intensity of manual temperature measurement. Especially in areas with complex terrain, there is no need to get close to power transmission equipment for inspection, saving time and energy. The transmission operation and maintenance staff can judge and analyze the temperature measurement data through the data images transmitted back by the drone, and promptly detect line defects

State Grid Pengshui Power Supply Company also organized personnel to conduct "reviews" of lines that have had problems in the past, record and organize temperature measurement data in detail, record and compare temperature measurement data, and comprehensively consider defect management effect, ensuring the maximum inspection effect and ensuring the stable operation of line equipment in high-temperature weather.

Since the peak of summer, the transmission and inspection team of State Grid Pengshui Power Supply Company has used drones to complete 4 800 kV transmission lines, 8 500 kV transmission lines, 14 220 kV transmission lines, 6 Infrared temperature measurement of 110 kV transmission lines, 8 35 kV transmission lines, and 17 substations, and timely elimination of safety hazards. In the next step, by further increasing the number of patrols and using technologies such as infrared temperature measurement and live detection, we will measure the temperature of main transformers and lines in key substations every day, so as to grasp the real operating status of the equipment in real time, eliminate hidden dangers and defects in a timely manner, and conduct inspections on heavy-duty equipment. We will carry out load transfer and adjustment on the power grid and lines, and make every effort to protect the safety of Pengshui power grid and ensure that the people of the county have a cool summer. (Cai Guangjin, Liu Tingwei)

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