China Southern Power Grid Guangdong Corporation recently announced that the intelligent inspection robot developed by it has been put into use, which is expected to realize 24-hour monitoring of substations, which will improve the intelligent level of power systems. The first robot put into use began to "go to work" at the 500kV Wolong substation in Yunfu, Guangdong power grid on November 4.
Yangyingyi, head of the artificial intelligence technology group of the robotics division of Guangdong energy technology company of China Southern Power Grid, said that as long as the inspection points and inspection routes are set in advance and the inspection task is assigned with one key in the main control room, the robot will automatically detect the relevant lines and read the data, replacing the traditional manual inspection.
Patrol inspection is an important guarantee for substation operation safety, which is divided into routine patrol inspection and special patrol inspection. Routine inspection shall be conducted once a month or once a quarter; The special patrol inspection sets more frequent cycles according to specific needs. For example, the patrol inspection in the special power supply period is required to be conducted once a day. There are more than 1000 inspection points involved in a substation, which usually takes two staff members sixorseven man hours to complete, which is time-consuming and laborious.
"With the rapid development of economy, the scale of power grid is becoming larger and larger, the number of power transmission and transformation equipment is also increasing, and the contradiction between inspection demand and manpower is becoming more and more prominent. How to improve the level of intelligence and reduce manpower investment has become a new challenge to ensure the security of power supply." Yangyingyi said.
In recent years, robots have been introduced into the field of power inspection, replacing manual inspection to complete part of the automatic inspection work. However, the traditional image recognition method for instrument recognition has low detection and reading accuracy due to the influence of complex background, light conditions and other factors.
"The newly developed intelligent inspection robot uses AI algorithm to greatly improve the accuracy of equipment image recognition. Because the robot inspection is limited by time, weather and other factors, it is possible for the substation robot to realize 24-hour all-day monitoring." Yangyingyi said,
Yangyingyi believes that the popularization, application and empowerment of intelligent inspection robots can effectively promote the unmanned development of substation inspection. In the future, intelligent robots will continue to be applied to transmission line inspection, etc., to promote intelligent power inspection, which will also help to improve the power security level of Guangdong, Hong Kong and Macao Greater Bay area.
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