Fault diagnosis system for the inspection robot in power transmission lines maintenance

Li Zheng; Ruan Yi

doi:10.1117/12.837984

24 November 2009 Fault diagnosis system for the inspection robot in power transmission lines maintenance

Li Zheng, Ruan Yi

Proceedings Volume 7513, 2009 International Conference on Optical Instruments and Technology: Optoelectronic Imaging and Process Technology; 75130E (2009) https://doi.org/10.1117/12.837984
Event: International Conference on Optical Instrumentation and Technology, 2009, Shanghai, China

Abstract

Presently electricity utilities make use of a number of inspection tools to survey their transmission lines and electrical distribution equipment. Mobile robot capable of crossing obstacles is developed on overhead ground wires. A teleoperated robot with cameras realizes inspection and maintenance tasks on power transmission line. This paper examines the possibility of remote detection of defective devices on power transmission lines. Infrared, visible and ultraviolet cameras are the latest visual diagnostic tools available to utilities to identify potential failures on electrical equipment. Infrared cameras are used to collect images related to temperature differences that arise on components such as compression splices and insulators. The clever analysis of thermograms will then reveal possible defects. Corona effects and arcing are symptomatic of certain types of defects on insulators, line spacers, and conductors, etc. These possible defects can be detected by the ultraviolet. As new imaging technologies were developed, line inspectors began employing infrared and ultraviolet imaging to locate hot spots and electrical discharges. This paper highlights the design and development a inspection robot with cameras which combine ultraviolet, infrared and visual imaging techniques for advanced diagnostic inspections. A novel inspection robot was designed to inspect the 500KV power transmission lines. Results of experiments demonstrate that the robot can be applied to execute the navigation and inspection tasks.

Citation Download Citation

Li Zheng and Ruan Yi "Fault diagnosis system for the inspection robot in power transmission lines maintenance", Proc. SPIE 7513, 2009 International Conference on Optical Instruments and Technology: Optoelectronic Imaging and Process Technology, 75130E (24 November 2009); https://doi.org/10.1117/12.837984

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