Wuhan Nanrui undertakes acceptance of State Grid Corporation’s science and technology projects

China Instrument Network Instrument Research and Development On August 21, 2017, Wuhan Nanrui undertook a state-owned company's scientific and technological project “On-line monitoring technology for distributed dynamic ice tension and wind-slip flashover characteristics of transmission tower-line coupling based on fiber-optic sensors. "Accepted by the Ministry of Science and Technology Organization's acceptance. Experts at the meeting listened to the report on the completion of the project, and strictly reviewed the work report, technical report, and project support materials. After serious discussion, they agreed that the project completed the contents of the mission statement of the State Grid Science and Technology Project and agreed to pass the acceptance check.

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The project developed a fiber-grid distributed icing, dynamic wind and tower line system stress monitoring system for transmission lines, proposed a distributed icing monitoring method based on the principle of optical fiber scattering, and revealed the correspondence between the wind speed along the line and the stress change caused by overhead optical fiber ground stress. The relationship realizes the monitoring of distributed wind speeds; a mathematical model of the dynamic characteristics of the ice-coating system of the tower-line coupling system is established, realizing the real-time monitoring and early warning of dynamic ice tension and wind deflection.
The distributed icing on-line monitoring system for scientific and technological achievements of this project has been implemented in Sichuan Leshan, Yibin Power Supply Company and Shanxi Yangquan Power Supply Company, effectively improving the safety and reliability of transmission lines.
(Original title: Wuhan Nanrui undertook the State Grid Corporation of Science and Technology project "Based on optical fiber sensor-based transmission tower-line coupling distributed ice dynamic tension, wind bias flashover characteristics of on-line monitoring technology research" acceptance)

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