Articles with "optical current" as a keyword



Improved Composite Optical Current Sensing With Polarization Offset and Self-Calibration Demodulation

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Published in 2025 at "IEEE Sensors Journal"

DOI: 10.1109/jsen.2024.3519807

Abstract: In optical current sensing, existing polarimetric optical structures have relatively high measurement error and low signal-to-noise ratio (SNR). To resolve these challenges, this article proposes an improved composite polarimetric structure with polarization offset (PO) and… read more here.

Keywords: optical current; structure; self calibration; polarization ... See more keywords

Study on Performance of DC Optical Current Transformer Based on Fast Variable Optical Attenuator

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Published in 2025 at "IEEE Sensors Journal"

DOI: 10.1109/jsen.2025.3572391

Abstract: As a diffractive Micro-Opto-Electro-Mechanical system (MOEMS) device, the grating light valve (GLV) has high optical modulation efficiency and fast modulation rate, which can form many applications such as display and communication, and fast variable optical… read more here.

Keywords: optical current; optical attenuator; current transformer; variable optical ... See more keywords
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Digital Optical CT Application to HVDC Earthing Line Fault Measurements

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Published in 2021 at "IEEE Transactions on Power Delivery"

DOI: 10.1109/tpwrd.2021.3067197

Abstract: A digital optical current transducer designed for the measurement of small alternating currents is applied to current measurements for an HVDC earthing line. A novel scanning band pass filter was used to make experimental measurements… read more here.

Keywords: optical current; digital optical; optical application; earthing line ... See more keywords

Highly stable all-fiber optical current transformer based on a differential dual optical path system.

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Published in 2024 at "Applied optics"

DOI: 10.1364/ao.546397

Abstract: To address the vulnerability of all-fiber optical current transformer (FOCT) transmission lines to external vibrations and temperature variations, this study introduces a differential high stability current transformer (SFOCT). This system was subject to simulation, analysis,… read more here.

Keywords: temperature; optical current; system; current transformer ... See more keywords

Review of Uncertainty Sources in Optical Current Sensors Used in Power Systems

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Published in 2024 at "Energies"

DOI: 10.3390/en17164162

Abstract: Optical current sensors have been developed and improved over the past few decades, and they have been increasingly employed in power systems, including smart and high-voltage grids. This is due to their many advantages over… read more here.

Keywords: optical current; power systems; uncertainty sources; uncertainty ... See more keywords