Simulation study on identification technology of transmission line potential hazards based on corona discharge characteristics Online publication date: Thu, 21-Apr-2022
by Wei Liu
International Journal of Computer Applications in Technology (IJCAT), Vol. 67, No. 4, 2021
Abstract: The prevention and control of transmission line potential hazards is the guarantee of safe and reliable operation of power grid. At present, the prevention and control of line potential hazards is still based on manual inspection, which has problems of low efficiency and poor reliability. Based on corona discharge theory and experimental simulation, this paper studies the fingerprint characteristics of line discharge signal caused by tree barrier, bird damage and insulator pollution and puts forward a method of line potential hazard detection and fault identification based on discharge characteristics. The results show that the development of line potential hazards will lead to the discharge process, and the discharge characteristics of different types of potential hazards have obvious differences. The differences are mainly reflected in the main wave width and discharge repetition rate, which can be used to identify the types of potential hazards.
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