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 Distributed fault diagnostic devices for transmission lines

As of 2022, this device has been applied to more than 70,000 lines in more than 9,000 circuits, with a monitoring length of over 800,000 kilometers, and have diagnosed more than 7,000 tripping faults. It has been applied in "extra-ultra-high voltage" lines, "Tibet-China connection" lines, "three major DC" lines, intelligent lines, "three-span" lines, and has provided key data support for the analysis of tripping of long-distance UHV transmission lines for multiple times. The economic and social benefits are outstanding.

 Hazard monitoring and early warning devices for transmission line

This device has been applied to power grids in more than 20 provinces and cities, including Jiangsu, Zhejiang, Chongqing, Shandong, Inner Mongolia, Guangdong, and Hainan, with a total of over 500 power lines connected to the grid. It has successfully warned and diagnosed dozens of hidden dangers in power lines.

 High voltage cable fault diagnostic devices

This device has been installed on nearly a thousand power lines in the fields of State Grid, Southern Power Grid, rail transit, and wind and solar new energy, with over 2000 sets of monitoring terminals (including the 500kV cable of the Shanghai World Expo Tunnel). It has successfully diagnosed cable line faults more than a hundred times and has been widely recognized by users.

 Distribution line fault diagnosis device

This device has been applied in more than 100 cities in 27 provincial administrative regions across the country, covering more than 1,000 lines, with a total of more than 10,000 monitoring terminals installed, and has formed a large-scale application in local areas.

 Railroad overhead contact line monitoring device

This device has installed nearly 400 monitoring terminals on more than 30 railway overhead contact lines in more than ten railway bureaus nationwide, successfully diagnosing nearly a hundred faults.

 Automatic blocking and continuous railway power transmission lines monitoring device

This device has installed nearly 800 sets of monitoring terminals on more than 60 automatic blocking and continuous railway power transmission lines in more than ten railway bureaus in china, successfully diagnosing more than 500 faults.

         Wind Farm Collection/Transmission Line Monitoring Device

This device has been applied to more than 100 power lines in wind farms of major power companies(CHINA DATANG CORPORATION, CHINA RES POWER, Guohua Electric Power, CHNG, CHD , GD, CPI, NPI, CGNPC, etc.), with a total of nearly 300 sets of monitoring terminals installed, greatly facilitating the operation and maintenance of wind farm, and achieving intelligent operation and maintenance of power lines.

 Electrical insulation hazard warning device

This device has been installed and applied with nearly 300 devices in nearly 100 regions across 15 provinces, including Hubei, Fujian, Guangdong, Henan, and Chongqing, successfully monitoring 54 safety hazards and enhancing the initiative of safety prevention and control in important electrical locations.