A single fibre-optic down-lead Faraday current sensor

Podoleanu, Adrian G.H.; Fisher, Norman E.; Jackson, David A.

doi:10.1016/s0924-4247(97)01404-0

Cited by 8 publications

(3 citation statements)

References 7 publications

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“…Also there was skin effect and proximity effect. As the requirement of power system's economic, security and automation increases, classical electromagnetic current transformer could no longer meet the demands of measuring transient currents [1]- [4]. The research on accurate an rapid transient currents algorithm become more important.…”

Section: Introductionmentioning

confidence: 99%

Notice of Retraction: Study on Method of Transient Huge Current Measurement by Magnetic Sensor Array

Zhang

Wang

2009

2009 Asia-Pacific Power and Energy Engineering Conference

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For solving the transient current measurement problem in the process of Power system running, this paper used the Boundary Element Method to research, and analyzed the method of solving the eddy current field non-source area scalar magnetic potential by the boundary element method with surface impedance concept: to measure the magnetic field of a particular point by the Magnetic Sensor Array, and to solve the inverse problem of reconstructing transient current by the same idea, the model building process of the algorithm was proposed, and the simulation's results showed the efficiency.

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Section: Introductionmentioning

confidence: 99%

Notice of Retraction: Study on Method of Transient Huge Current Measurement by Magnetic Sensor Array

Zhang

Wang

2009

2009 Asia-Pacific Power and Energy Engineering Conference

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“…, 3 1 n = and 3 1.33 n′ = . The value of 1 I should be less than 36.9° according to formula 9 and 10.…”

Section: Example Analysismentioning

confidence: 99%

“…Fiber-optic sensors have the advantages of very high resolution and accuracy, small size of the sensing element [1], immunity to electromagnetic interference [2], freedom from saturation effects [3] and inherently spark free [4]. Fiber optic sensors based on monitoring systems have been successfully developed and applied in advanced manufacturing and control process [5], e.g., waver position indication during photolithography [6] and fiber-optic proximity sensor in robotics [7].…”

Section: Introductionmentioning

confidence: 99%

A Novel Fiber-Optic Liquid Level Sensor with Adjustable Light Path Based on Principle of Light Refraction

Zhang

Liang

2010

AMM

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Considering the difficulty to precisely indicate the specified height for transparent or semitransparent thin liquid column, a novel fiber-optic liquid level sensor is reported which remarkably enhances the sensitivity by regulating the external light path based on the principle of light refraction. The structure and working principle of this sensor is introduced. A light path model is developed on the condition that the incident light ray obliquely penetrates the medium in the liquid level indicator. The formulae of deflection angle are deduced. Factors affecting the precision of the sensor are analyzed by means of an example. Finally the feasibility of this novel design is verified by experiments.

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Magneto-optical current sensing for applications in integrated power electronics modules

Bai

Lü

Lin

2003

Sensors and Actuators A: Physical

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A single fibre-optic down-lead Faraday current sensor

Cited by 8 publications

References 7 publications

Notice of Retraction: Study on Method of Transient Huge Current Measurement by Magnetic Sensor Array

Notice of Retraction: Study on Method of Transient Huge Current Measurement by Magnetic Sensor Array

A Novel Fiber-Optic Liquid Level Sensor with Adjustable Light Path Based on Principle of Light Refraction

Magneto-optical current sensing for applications in integrated power electronics modules

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