Journal of Shanghai Jiaotong University ›› 2018, Vol. 52 ›› Issue (10): 1189-1194.doi: 10.16183/j.cnki.jsjtu.2018.10.006

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Application of X-ray Nondestructive Flaw Detection Technology in Transmission Line’s Press Fittings

WANG Wei,YUAN Qi,GU Junjie,TAI Nengling   

  1. 1. State Grid Shanghai Maintenance Company, Shanghai 200063, China; 2. School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China

Abstract: This paper analyzes the feasibility of X-ray nondestructive flaw detection technology applying to transmission line in theory and gets different kinds of defect by X-ray nondestructive testing and tension testing. These test results provide reliable evidences for the quality judging of press fittings by X-ray nondestructive flaw detection technology and solve the problem which is single and not intuitive in the detection of transmission line’s press fittings. This paper proves that X-ray nondestructive flaw detection technology is a good application in quality judging of press fittings and provides the guidance of solving the defects. This technology significantly improves the safety and the reliability of transmission line.

Key words: X-ray, nondestructive flaw detection, press fittings, tensioning clamp, transmission line

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