A robot inspects at a 500-kilovolt converter station in Shapingba district in Chongqing, Nov 23, 2017. The State Grid Chongqing Electric Power Company for the first time used a robot and an intelligent drone to inspect a transformer, which can help improve the inspection work.[Photo/Chinanews.com]
A robot is ready to start its inspection work at a 500-kilovolt converter station in Shapingba district in Chongqing, Nov 23, 2017.[Photo/Chinanews.com]
A robot inspects at a 500-kilovolt converter station in Shapingba district in Chongqing, Nov 23, 2017. [Photo/Chinanews.com]
An intelligent drone patrols at a 500-kilovolt converter station in Shapingba district in Chongqing, Nov 23, 2017. [Photo/Chinanews.com]
A robot and an intelligent drone patrol at a 500-kilovolt converter station in Shapingba district in Chongqing, Nov 23, 2017. [Photo/Chinanews.com]
