Development and characterization of fiber optic hydrophone coils for the detection of ultrasonic signals within power transformers

Macia-Sanahuja, C.; Lamela, Horacio

doi:10.1117/12.663761

Cited by 2 publications

(3 citation statements)

References 8 publications

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“…In general, the OI-based vibration and ultrasonic fibre sensor can be categorised into four kinds, and their basic structures are shown in Fig. 12. (a) Mach-Zehnder interferometer (MZI) fibre sensor [121][122][123][124][125][126][127]. The MZI fibre sensor works in a transmission mode, as shown in Fig.…”

Section: Oi-based Fibre Vibration and Ultrasonic Sensormentioning

confidence: 99%

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Review of optical fibre sensors for electrical equipment characteristic state parameters detection

et al. 2019

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Optical fibre sensing technology is a powerful method for long-term reliable sensing in harsh environments, which means it is particularly suitable for the detection of electrical equipment characteristic state parameters, including characteristic gases, abnormal vibration, ultrasonic produced by partial discharge, and abnormal temperature rise. This paper reviews several individual optical fibre sensors for different state parameters detection, discusses the advantages, limitations and possible improvement methods, and finally presents the most promising optical fibre sensor for each state parameter.

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Section: Oi-based Fibre Vibration and Ultrasonic Sensormentioning

confidence: 99%

“…12. (a) Mach–Zehnder interferometer (MZI) fibre sensor [121–127]. The MZI fibre sensor works in a transmission mode, as shown in Fig.…”

Section: Review On Optical Fibre Sensors For Electrical Equipment Cmentioning

confidence: 99%

Review of optical fibre sensors for electrical equipment characteristic state parameters detection

et al. 2019

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“…Optical fiber allow us to build compact and low weight sensors, as well as having the capability of sending/receiving optical signals over large distances, allowing the construction of a sensor network eventually without the need of optical/electrical conversion on each sensing point, reducing costs and increasing the flexibility and reliability of the solution. Several applications regarding fiber optic acoustic sensors can be found in [2] - [7]. …”

Section: Introductionmentioning

confidence: 99%

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

Fracarolli

Floridia

Dini

et al. 2013

2013 SBMO/IEEE MTT-S International Microwave &Amp; Optoelectronics Conference (IMOC)

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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 sensibility is better than traditional piezoelectric acoustic sensors usually used for AE detection originated from partial discharge (PD) on power transformers.

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Development and characterization of fiber optic hydrophone coils for the detection of ultrasonic signals within power transformers

Cited by 2 publications

References 8 publications

Review of optical fibre sensors for electrical equipment characteristic state parameters detection

Review of optical fibre sensors for electrical equipment characteristic state parameters detection

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

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