Abstract
Gas Insulated Substation (GIS) is a metal enclosed switchgear with SF6 gas as insulating medium, also known as gas insulated substation. Because of its compact structure, high security, easy installation and other characteristics, GIS is widely used in the assembly of all kinds of equipment except the main body of transformer. Due to the unique fully enclosed structure of GIS and the complexity of its own gas chamber, manual maintenance is often adopted at present, which is not only difficult but also dangerous. Based on the author’s understanding of flexible robot, a method of intelligent maintenance of GIS cavity with flexible robot is proposed. The flexible robot has a long and narrow structure, and can move flexibly in complex environment. It can also carry sensors and operating equipment into the GIS cavity, and use intelligent control, image recognition, machine learning and other technologies to determine the type and location of GIS faults and deal with them. Through this method, the maintenance of GIS is completed.
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