Industry Fault diagnosing methods of fiber optic current sensor: a review
In this paper, the application status and the common fault modes of FOCS are analyzed. Three ways to diagnosing the soft and hard fault of FOCS are reviewed, including based on
Industry Fault diagnosis of fiber optic current sensor induced by light source
Performance of SLD light source in fiber optic current sensor is easily affected by temperature, vibration, and device aging failure, and the failure mechanism is not clear. This paper proposes a fault
Industry A Fault Diagnosis System of All-Fiber Optical Current Transformer
All-fiber optical current transformer (FOCT) based on Magneto-optical Faraday effect plays a pivotal role in current metering and protection of smart grid. However, the fault diagnosis of FOCT is one of the
Industry Methods of Fault Diagnosis in Fiber Optic Current
toring and fault diagnosis in FOCT. Faults in FOCT have statistical characteristics. With the analyzing of time domain and frequency domain features in fiber optic current transformers
Industry Error characteristic analysis of fiber optic current transformer with
In , a closed-loop fiber-optic current transformer based on sawtooth modulation was proposed to meet the measurement requirements through phase shift modulation and feedback
Industry Fiber fusion splicing error analysis of all-fiber optic current sensor
The four demodulations are ordered based on the complexity and the error tolerance requirement. The open-loop demodulation scheme of the all-fiber optic current sensor can be applied
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Industry Fault diagnosing methods of fiber optic current sensor: a review
This paper describes the development and applications of a fiber-optic electric current sensing technique with the stable properties and compact, simple, and flexible structure of the...
Industry Online diagnosis algorithm for random drift error in fiber optic
Focusing on the problem of random drift error in Fiber Optic Current Sensor (FOCS), a random drift error extraction algorithm of FOCS based on optimal wavelet packet and Long Short
Industry Fiber fusion splicing error analysis of all-fiber optic current sensor
Measurement accuracy is essential for the all-fiber optic current sensor. Angle errors of axis alignment in the fusion processing affect the measurement accuracy with different modulation and
Industry Intelligent fault diagnosis algorithm for fiber optic current
Intelligent fault diagnosis algorithm of Long-Short Term Memory combing with Support Vector Machine (SVM) is an effective way to deal with FOCT failures by analyzing the residual signal
Industry Online diagnosis algorithm for random drift error in fiber optic
It has disadvantages such as complex insulation structure, prone to magnetic saturation, and inability to measure DC signals. Fiber optic current sensor (FOCS) has the advantages of no
Industry Online diagnosis algorithm for random drift error in fiber optic
We investigate the effect of polarization cross-coupling at polarization-maintaining (PM) fiber connectors on the accuracy of an interferometric fiber-optic current sensor.
Industry Fault diagnosing methods of fiber optic current sensor: a review
Three ways to diagnosing the soft and hard fault of FOCS are reviewed, including based on analytical model, on signal processing and on knowledge. Finally, the research direction of FOCS
Industry Review of Fault Detection and Localization Methods in Fiber Optic
This paper provides a comprehensive review of current fault detection and localization techniques in fiber optic networks. We examine traditional approaches, such as Optical Time-Domain
Industry Methods of Fault Diagnosis in Fiber Optic Current
To ensure low failure and high reliability of fiber optic current transducers (FOCTs), it is urgent to study methods of condition monitoring and fault diagnosis in FOCT.
Industry A Fault Diagnosis System of All-Fiber Optical Current
In order to ensure the proper functioning of FOCT, a fault diagnosis system is presented by monitoring the intensity variation of the light interference with Square wave bias modulation of FOCT, which is
Industry Intelligent fault diagnosis algorithm for fiber optic current
Affected by environmental factors, the performance of fiber optic current transformer (FOCT) will deteriorate over a long period of time. Intelligent
Industry Online diagnosis algorithm for random drift error in fiber optic
Fiber optic current sensor (FOCS) has the advantages of no magnetic saturation and no danger of open circuit on the secondary side. It is gradually replacing the traditional electromagnetic
Industry Methods of Fault Diagnosis in Fiber Optic Current
Prior to entering a low birefringence polarization-maintaining fiber optic sensor head in opposite directions, respectively, the polarized waves are converted into left and right circular polarized waves
Industry CN110907876A
The utility model discloses an optic fibre current sensor fault diagnosis system, including photoelectric detector, signal conditioning module, addition circuit module, AD sampling...
Industry Cable Fault Detection: Optical Fiber Current Sensor Cable Link Noise
In fiber optic current sensors, two main parts, the sensor head unit and the drive/control/chassis unit, are connected by optical fiber cable links. The fiber link carries measurement information from the sensor
Industry Research on fault diagnosis method of fiber optic sensing
Abstract In response to the monitoring needs of conveyor roller faults in open-pit mines, this paper proposes a fiber optic sensing roller fault diagnosis method based on dynamic model driving.
Industry Fault diagnosing methods of fiber optic current sensor: a review
The engineering application number of fiber optic current sensor (FOCS) is decreasing year by year since 2012 in China due to its reliability problems. However, the researchers and related
Industry A novel method of power cable fault detection with fiber current sensor
The application of power systems has been widely used in all walks of life, especially the thermal effect generated by the power system in the application process. Among the many application processing