Research on anchor damage and protection of three-core composite submarine cable considering impact angle

Zhang, Tao; Li, Luantao; Du, Anqi; Wei, Ran; Tan, Haibin; Wang, Ketao; Liu, Sainan

doi:10.1016/j.oceaneng.2022.112668

Cited by 5 publications

(1 citation statement)

References 12 publications

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“…Submarine cables are mainly laid in complex and harsh marine environments, and factors such as submarine cables themselves, human factors, and natural environmental factors have become the main factors affecting the safe operation of submarine cables [5][6][7] . The most serious submarine cable failures are caused by external forces such as fishing operations and anchor damage, but as the number of submarine cables continues to increase, suspended faults are also gradually becoming prominent [8] . Due to the randomness of these factors that threaten the safety of ocean operations, as well as the high equipment investment and engineering cost of submarine cables, once damaged, it will cause significant economic losses [9] .…”

Section: Introductionmentioning

confidence: 99%

Analysis of stress distribution characteristics in optical fibers of submarine cables with different structures

Lv,

Cen,

Huang

et al. 2024

Sixth Conference on Frontiers in Optical Imaging and Technology: Novel Technologies in Optical Systems

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In order to measure fiber strain using distributed fiber strain sensing technology, the strain of three composite submarine cables is reflected. The on-line stress monitoring and intelligent early warning technology of long-distance and highprecision distributed fiber optic sensing submarine cable are studied, and the stress decoupling method of Brillouin distributed fiber based on fiber Brillouin scattering model is realized. Finite element simulation method is used to calculate conductor core strain through optical fiber strain. Combined with finite element simulation analysis, stress distribution characteristics of different stress damage modes of submarine cable such as anchor breakage, anchor hook and hanging are obtained, the alarm threshold of submarine cable stress anomaly is proposed to complete intelligent early warning of submarine cable stress anomaly. It also provides a theoretical basis for submarine cable routing and topographic information anomaly location and typical submarine cable fault diagnosis.

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Section: Introductionmentioning

confidence: 99%