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Subsea cable condition monitoring with distributed optical fiber vibration sensor

Subsea cable condition monitoring with distributed optical fiber vibration sensor
Subsea cable condition monitoring with distributed optical fiber vibration sensor

A novel subsea cable condition monitoring technique based on embedded optical fiber inside the cable is demonstrated. It is shown that a distributed optical fiber vibration sensor can be used to map dynamic strains all along the cable simultaneously. It is experimentally shown that such system can fully quantify the location and strain level at each point on the cable as a function of time for both abrupt impact and cyclical loading. The sensing system demonstrated a spatial and strain resolution of 1 m and 4 μ, respectively, over a 10-km sensing range.

Cable fault monitoring, Distributed Acoustic Sensor (DAS), Distributed Vibration Sensor (DVS), Offshore wind farm, Submarine cable installation, Subsea cable monitoring
0733-8724
1352-1358
Masoudi, Ali
8073fb9b-2e6c-46c9-89cf-cb8670d76dc0
Pilgrim, James A.
4b4f7933-1cd8-474f-bf69-39cefc376ab7
Newson, Trevor P.
6735857e-d947-45ec-8163-54ebb25daad7
Brambilla, Gilberto
815d9712-62c7-47d1-8860-9451a363a6c8
Masoudi, Ali
8073fb9b-2e6c-46c9-89cf-cb8670d76dc0
Pilgrim, James A.
4b4f7933-1cd8-474f-bf69-39cefc376ab7
Newson, Trevor P.
6735857e-d947-45ec-8163-54ebb25daad7
Brambilla, Gilberto
815d9712-62c7-47d1-8860-9451a363a6c8

Masoudi, Ali, Pilgrim, James A., Newson, Trevor P. and Brambilla, Gilberto (2019) Subsea cable condition monitoring with distributed optical fiber vibration sensor. IEEE Journal of Lightwave Technology, 37 (4), 1352-1358. (doi:10.1109/JLT.2019.2893038).

Record type: Article

Abstract

A novel subsea cable condition monitoring technique based on embedded optical fiber inside the cable is demonstrated. It is shown that a distributed optical fiber vibration sensor can be used to map dynamic strains all along the cable simultaneously. It is experimentally shown that such system can fully quantify the location and strain level at each point on the cable as a function of time for both abrupt impact and cyclical loading. The sensing system demonstrated a spatial and strain resolution of 1 m and 4 μ, respectively, over a 10-km sensing range.

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Subsea Cable Condition Monitoring - Accepted Manuscript
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Accepted/In Press date: 9 January 2019
e-pub ahead of print date: 14 January 2019
Published date: 15 February 2019
Keywords: Cable fault monitoring, Distributed Acoustic Sensor (DAS), Distributed Vibration Sensor (DVS), Offshore wind farm, Submarine cable installation, Subsea cable monitoring

Identifiers

Local EPrints ID: 430135
URI: https://eprints.soton.ac.uk/id/eprint/430135
ISSN: 0733-8724
PURE UUID: a2e470e5-6cc4-4fd4-839c-9d45bf6eba7d
ORCID for Ali Masoudi: ORCID iD orcid.org/0000-0003-0001-6080
ORCID for James A. Pilgrim: ORCID iD orcid.org/0000-0002-2444-2116

Catalogue record

Date deposited: 12 Apr 2019 16:30
Last modified: 20 Jul 2019 00:55

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