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Robots inspect substations in China

A robot checks a 500 kV substation in Dongtai, southeast China's Fujian province.

Robots are capable of diagnosing power transformers. They can get the following information:

  1. temperature;
  2. oil chromatogram;
  3. SF6 gas density;
  4. switching characteristics;
  5. leakage current of the arrester.


Once the temperature exceeds the limit value, it will immediately issue a warning signal to the maintenance personnel, who will take appropriate measures accordingly.

The application of the robot in substation maintenance has realized the unmanned monitoring and inspection of substation equipment at any time, which saves manpower and improves the efficiency of examination. [English People’s Daily Online]

Digital Substation