CA2763272C - Electric cable with strain sensor and monitoring system and method for detecting strain in at least one electric cable - Google Patents

Electric cable with strain sensor and monitoring system and method for detecting strain in at least one electric cable Download PDF

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Publication number
CA2763272C
CA2763272C CA2763272A CA2763272A CA2763272C CA 2763272 C CA2763272 C CA 2763272C CA 2763272 A CA2763272 A CA 2763272A CA 2763272 A CA2763272 A CA 2763272A CA 2763272 C CA2763272 C CA 2763272C
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Canada
Prior art keywords
cable
strain
optical fibre
fibre
optical
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Active
Application number
CA2763272A
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English (en)
French (fr)
Other versions
CA2763272A1 (en
Inventor
Davide Sarchi
Bernd Knuepfer
Carsten Kemnitz
Roberto Gaspari
Arnd-Guenther Carl
Enrico Consonni
Thomas Kittel
Reiner Ewald
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Prysmian SpA
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Prysmian SpA
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Application filed by Prysmian SpA filed Critical Prysmian SpA
Priority to CA2948706A priority Critical patent/CA2948706C/en
Publication of CA2763272A1 publication Critical patent/CA2763272A1/en
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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/32Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/32Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00Measuring force or stress, in general
    • G01L1/24Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
    • G01L1/242Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/08Testing mechanical properties
    • G01M11/083Testing mechanical properties by using an optical fiber in contact with the device under test [DUT]
    • G01M11/086Details about the embedment of the optical fiber within the DUT
    • DTEXTILES; PAPER
    • D07ROPES; CABLES OTHER THAN ELECTRIC
    • D07BROPES OR CABLES IN GENERAL
    • D07B1/00Constructional features of ropes or cables
    • D07B1/14Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable
    • D07B1/145Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable comprising elements for indicating or detecting the rope or cable status
    • DTEXTILES; PAPER
    • D07ROPES; CABLES OTHER THAN ELECTRIC
    • D07BROPES OR CABLES IN GENERAL
    • D07B2301/00Controls
    • D07B2301/25System input signals, e.g. set points
    • D07B2301/259Strain or elongation
    • DTEXTILES; PAPER
    • D07ROPES; CABLES OTHER THAN ELECTRIC
    • D07BROPES OR CABLES IN GENERAL
    • D07B2301/00Controls
    • D07B2301/55Sensors
    • D07B2301/5531Sensors using electric means or elements
    • D07B2301/5577Sensors using electric means or elements using light guides
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/32Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
    • G01K11/322Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres using Brillouin scattering
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/04Flexible cables, conductors, or cords, e.g. trailing cables
    • H01B7/041Flexible cables, conductors, or cords, e.g. trailing cables attached to mobile objects, e.g. portable tools, elevators, mining equipment, hoisting cables
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00Power cables
    • H01B9/005Power cables including optical transmission elements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Transform (AREA)
  • Communication Cables (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
CA2763272A 2009-05-27 2009-05-27 Electric cable with strain sensor and monitoring system and method for detecting strain in at least one electric cable Active CA2763272C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2948706A CA2948706C (en) 2009-05-27 2009-05-27 Deformation monitoring system for electric cables

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2009/056428 WO2010136062A1 (en) 2009-05-27 2009-05-27 Electric cable with strain sensor and monitoring system and method for detecting strain in at least one electric cable

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA2948706A Division CA2948706C (en) 2009-05-27 2009-05-27 Deformation monitoring system for electric cables

Publications (2)

Publication Number Publication Date
CA2763272A1 CA2763272A1 (en) 2010-12-02
CA2763272C true CA2763272C (en) 2017-01-10

Family

ID=41467169

Family Applications (2)

Application Number Title Priority Date Filing Date
CA2763272A Active CA2763272C (en) 2009-05-27 2009-05-27 Electric cable with strain sensor and monitoring system and method for detecting strain in at least one electric cable
CA2948706A Active CA2948706C (en) 2009-05-27 2009-05-27 Deformation monitoring system for electric cables

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA2948706A Active CA2948706C (en) 2009-05-27 2009-05-27 Deformation monitoring system for electric cables

Country Status (10)

Country Link
US (1) US8953915B2 (cg-RX-API-DMAC10.html)
EP (2) EP2555205B1 (cg-RX-API-DMAC10.html)
CN (1) CN102460606B (cg-RX-API-DMAC10.html)
AU (1) AU2009346811B2 (cg-RX-API-DMAC10.html)
BR (2) BR122019014137B1 (cg-RX-API-DMAC10.html)
CA (2) CA2763272C (cg-RX-API-DMAC10.html)
DK (2) DK2555205T3 (cg-RX-API-DMAC10.html)
NO (1) NO2436015T3 (cg-RX-API-DMAC10.html)
RU (1) RU2510865C2 (cg-RX-API-DMAC10.html)
WO (1) WO2010136062A1 (cg-RX-API-DMAC10.html)

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