Safety Assessment of Live Working on 500kV V-type Composite Insulator Transmission Line with Conductive Defect

Cui, Jianye; Jiang, Wendong; Lei, Xinglie; Zhang, Bo

doi:10.1109/acpee48638.2020.9136316

Cited by 1 publication

(1 citation statement)

References 8 publications

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“…The technology of overhead transmission lines is widely employed for power transmission in various countries [1]. However, since transmission lines are exposed to outdoor environment for extended periods, they are prone to problems due to external erosion [2], including missing or broken fixtures. Bolts and pins are commonly used as fasteners in fixtures to connect the components and maintain stability of the whole structure.…”

Section: Introductionmentioning

confidence: 99%

Structural design and simulation study of intelligent defect elimination equipment for high‐voltage transmission line pin defects

Pei,

Sun

2023

IET Generation Trans & Dist

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Transmission lines may suffer from pin defects, necessitating regular patrols and maintenance. The traditional maintenance approach not only involves a substantial workload and low efficiency but also poses a threat to the safety of maintenance personnel. To address the issue of pin defects in high‐voltage transmission lines, this paper introduces the design of an intelligent pin‐eliminating robot. The research focuses on two main aspects: firstly, analyzing the transmission line environment and employing Solidworks software to design the mechanical structure of the robot. Subsequently, a static stress analysis of the robot's structure is conducted to ensure the rationality of the design. The second aspect addresses the impact of the robot on the electric field distribution of the transmission line in high electric field intensity areas and whether the robot itself experiences discharge phenomena. COMSOL simulation software is utilized to globally calculate and analyze the electric field of the robot. Research results indicate that the threshold for the curvature radius of the pin‐eliminating robot's tip is 2.5mm, and values below this threshold may lead to the occurrence of discharge phenomena. The optimized pin‐eliminating robot, under normal operation, does not exhibit discharge phenomena in a 500kV strong electric field.

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Section: Introductionmentioning

confidence: 99%