Application practice of 500 kV OPGW transmission line environmental monitoring technology

This paper takes the optical fiber sensing technology as the research object. Firstly, according to the requirements of the sensing layer of the power Internet of things, starting from the multi risk monitoring of cable (overhead line), such as external breakage, fire, icing and galloping, an on-line monitoring system for transmission line environment is proposed, and the composition and deployment mode of the monitoring system are introduced. Secondly, through the research on the distribution of optical fiber temperature field and stress field, combined with big data and artificial intelligence, the monitoring of important environmental parameters of the line is realized. Finally, taking different monitoring scenarios as examples, this paper expounds the different monitoring functions of the transmission line Internet of things environmental monitoring system, which provides a useful reference for the transmission line environmental monitoring.