[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Fracarolli et al., 2013 - Google Patents

Fiber optic interferometric method for acoustic emissions detection on power transformer's bushing

Fracarolli et al., 2013

Document ID
10507052675380438824
Author
Fracarolli J
Floridia C
Dini D
Rosolem J
Teixeira R
Publication year
Publication venue
2013 SBMO/IEEE MTT-S International Microwave & Optoelectronics Conference (IMOC)

External Links

Snippet

Fiber optic interferometric method for acoustic emission (AE) detection in power transformer's bushing is developed and tested in emulated AE signals. It was shown that the proposed system can detect AE from inside a bushing replica. It was also shown that system …
Continue reading at ieeexplore.ieee.org (other versions)

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22Details, e.g. general constructional or apparatus details
    • G01N29/24Probes
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/12Testing dielectric strength or breakdown voltage; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
    • G01R31/1227Testing dielectric strength or breakdown voltage; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
    • G01R31/1263Testing dielectric strength or breakdown voltage; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/02Indexing codes associated with the analysed material
    • G01N2291/028Material parameters
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01HMEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H9/00Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
    • G01H9/004Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/10Number of transducers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/44Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/46Processing the detected response signal, e.g. electronic circuits specially adapted therefor by spectral analysis, e.g. Fourier analysis or wavelet analysis
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/08Locating faults in cables, transmission lines, or networks
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/04Wave modes and trajectories
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
    • G01M11/00Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/08Testing of mechanical properties
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00Instruments as specified in the subgroups and characterised by the use of optical measuring means
    • G01B9/02Interferometers for determining dimensional properties of, or relations between, measurement objects
    • G01B9/02001Interferometers for determining dimensional properties of, or relations between, measurement objects characterised by manipulating or generating specific radiation properties

Similar Documents

Publication Publication Date Title
Ma et al. A high sensitivity optical fiber sensor for GIS partial discharge detection
Qian et al. High sensitivity detection of partial discharge acoustic emission within power transformer by sagnac fiber optic sensor
Lima et al. Mandrel-based fiber-optic sensors for acoustic detection of partial discharges—A proof of concept
Ma et al. Distributed partial discharge detection in a power transformer based on phase-shifted FBG
Yu et al. Fiber Fabry-Perot sensors for detection of partial discharges in power transformers
Zhang et al. Oil‐paper insulation partial discharge ultrasonic multifrequency sensing array based on fibre‐optic Fabry–Perot sensor
WO2016004346A1 (en) System for prediction and prevention of electric transformer failures
Posada et al. Multichannel optical-fibre heterodyne interferometer for ultrasound detection of partial discharges in power transformers
da Costa et al. Electric discharge detection and localization using a distributed optical fiber vibration sensor
Jiang et al. Optical sensing of partial discharge in more electric aircraft
Macià-Sanahuja et al. Fiber optic interferometric sensor for acoustic detection of partial discharges
Zhu et al. Disturbed partial discharge detection system based on an improved Φ-OTDR assisted by a wFBG array
Fracarolli et al. Fiber optic interferometric method for acoustic emissions detection on power transformer's bushing
Lamela-Rivera et al. Detection and wavelet analysis of partial discharges using an optical fibre interferometric sensor for high-power transformers
Zargari et al. Application of optical fibre sensor for partial discharge detection in high-voltage power equipment
Song et al. Partial discharge detection based on optimization of optical probe and Sagnac interference
CN109100670B (en) Sensitivity calibration method of optical fiber partial discharge ultrasonic sensing system
Zargari et al. Modified optical fibre sensor for PD detection in high-voltage power equipment
Chaganti et al. Fiber optic acoustic sensor based on SMS structure with thin polymer diaphragm for partial discharge detection
Zhu et al. Disturbed PD Detection System Based on Improved φ-OTDR Assisted by wFBG Array
Kirkcaldy et al. Distributed acoustic sensing of partial discharge: Initial findings
Posada-Roman et al. Multichannel ultrasound instrumentation for on-line monitoring of power transformers with internal fiber optic sensors
Posada et al. All-fiber interferometric sensor of 150kHz acoustic emission for the detection of partial discharges within power transformers
Qin et al. Highly Sensitive Partial Discharge Ultrasonic Multi-Point Detection Using Single Channel Distributed Feedback Fiber Lasers
Lima et al. Extrinsic and intrinsic fiber optic interferometric sensors for acoustic detection in high-voltage environments