Fracture Fault Analysis and Treatment Measures of the Drainage Plate of Strain Clamp of Quadruple Split Wire

The defects in the design, crimping and installation of tensioning wire clips and the harsh operating environment may cause problems such as corrosion, heating or breakage of wire clips, which directly threaten the safe operation of high voltage (HV) transmission lines. Based on consecutive occurren...

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Bibliographic Details
Published in2022 6th International Conference on Power and Energy Engineering (ICPEE) pp. 381 - 385
Main Authors Chujun, Fu, Qi, Liu, Jianli, Zhao, Yilin, Wang, Jiankun, Zhao
Format Conference Proceeding
LanguageEnglish
Published IEEE 25.11.2022
Subjects
Clamps
Digital images
drainage plate of
failure analysis
Maintenance engineering
Power transmission lines
strain clamp
Strain measurement
Transmission line measurements
Wires
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Summary:The defects in the design, crimping and installation of tensioning wire clips and the harsh operating environment may cause problems such as corrosion, heating or breakage of wire clips, which directly threaten the safe operation of high voltage (HV) transmission lines. Based on consecutive occurrence of two 500 kv transmission line conductor with fracture failure strain clamp drainage heel as the research object, through macroscopic examination, microstructure examination and X-ray digital imaging inspection, chemical composition, fracture reason connection structure and operation environment analysis, proposed uses the hoe type strain clamp and the flexible TJ interval with damping spring stick, At the same time, it is of great engineering significance to take corresponding preventive measures in the operation and maintenance stage to prevent similar accidents.
DOI:10.1109/ICPEE56418.2022.10050317