Research on the Methods and Algorithms Improving the Measurements Precision and Market Competitive Advantages of Fiber Optic Current Sensors

An electromagnetic instrument transformer is a common device used to measure large current values in high-voltage electrical networks; it has been in use for more than a century. However, the optical current transformer, a promising technology also known as a fiber optic current sensor (FOCS), offer...

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Main Authors: Valentina Temkina, Andrei Medvedev, Alexey Mayzel
Format: Article
Language:English
Published: MDPI AG 2020-10-01
Series:Sensors
Subjects:
Online Access:https://www.mdpi.com/1424-8220/20/21/5995
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author Valentina Temkina
Andrei Medvedev
Alexey Mayzel
author_facet Valentina Temkina
Andrei Medvedev
Alexey Mayzel
author_sort Valentina Temkina
collection DOAJ
description An electromagnetic instrument transformer is a common device used to measure large current values in high-voltage electrical networks; it has been in use for more than a century. However, the optical current transformer, a promising technology also known as a fiber optic current sensor (FOCS), offers increased safety and ease of operation, as well as the absence of errors caused by the magnetic circuit of legacy transformers. Although the FOCS scheme is well known and has been actively developed for over a quarter century, it has certain disadvantages that limit its use. This paper describes the authors’ efforts to solve these problems in order to make FOCS technology competitive and widely adopted. We upgraded the FOCS optical circuit, expanded the frequency band of the captured current signal, and reduced the solution’s cost. We designed new signal processing algorithms to compensate for errors caused by internal factors in the measurement circuit, as well as those caused by environmental influences. We developed an FOCS computer model based on the Jones matrix formalism to enhance the experimental debugging. It allowed us to define the requirements for elements of the optical circuit and its production accuracy.
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spelling doaj.art-4759b6412a8142d7856dde273031e9042023-11-20T18:11:51ZengMDPI AGSensors1424-82202020-10-012021599510.3390/s20215995Research on the Methods and Algorithms Improving the Measurements Precision and Market Competitive Advantages of Fiber Optic Current SensorsValentina Temkina0Andrei Medvedev1Alexey Mayzel2Institute of Physics, Nanotechnology and Telecommunications, Peter the Great St.Petersburg Polytechnic University, 29 Polytechnicheskaya, 195251 St.Petersburg, RussiaInstitute of Physics, Nanotechnology and Telecommunications, Peter the Great St.Petersburg Polytechnic University, 29 Polytechnicheskaya, 195251 St.Petersburg, RussiaInstitute of Physics, Nanotechnology and Telecommunications, Peter the Great St.Petersburg Polytechnic University, 29 Polytechnicheskaya, 195251 St.Petersburg, RussiaAn electromagnetic instrument transformer is a common device used to measure large current values in high-voltage electrical networks; it has been in use for more than a century. However, the optical current transformer, a promising technology also known as a fiber optic current sensor (FOCS), offers increased safety and ease of operation, as well as the absence of errors caused by the magnetic circuit of legacy transformers. Although the FOCS scheme is well known and has been actively developed for over a quarter century, it has certain disadvantages that limit its use. This paper describes the authors’ efforts to solve these problems in order to make FOCS technology competitive and widely adopted. We upgraded the FOCS optical circuit, expanded the frequency band of the captured current signal, and reduced the solution’s cost. We designed new signal processing algorithms to compensate for errors caused by internal factors in the measurement circuit, as well as those caused by environmental influences. We developed an FOCS computer model based on the Jones matrix formalism to enhance the experimental debugging. It allowed us to define the requirements for elements of the optical circuit and its production accuracy.https://www.mdpi.com/1424-8220/20/21/5995fiber optic current sensorcurrent measuringFaraday effectspun fibercomputer model
spellingShingle Valentina Temkina
Andrei Medvedev
Alexey Mayzel
Research on the Methods and Algorithms Improving the Measurements Precision and Market Competitive Advantages of Fiber Optic Current Sensors
Sensors
fiber optic current sensor
current measuring
Faraday effect
spun fiber
computer model
title Research on the Methods and Algorithms Improving the Measurements Precision and Market Competitive Advantages of Fiber Optic Current Sensors
title_full Research on the Methods and Algorithms Improving the Measurements Precision and Market Competitive Advantages of Fiber Optic Current Sensors
title_fullStr Research on the Methods and Algorithms Improving the Measurements Precision and Market Competitive Advantages of Fiber Optic Current Sensors
title_full_unstemmed Research on the Methods and Algorithms Improving the Measurements Precision and Market Competitive Advantages of Fiber Optic Current Sensors
title_short Research on the Methods and Algorithms Improving the Measurements Precision and Market Competitive Advantages of Fiber Optic Current Sensors
title_sort research on the methods and algorithms improving the measurements precision and market competitive advantages of fiber optic current sensors
topic fiber optic current sensor
current measuring
Faraday effect
spun fiber
computer model
url https://www.mdpi.com/1424-8220/20/21/5995
work_keys_str_mv AT valentinatemkina researchonthemethodsandalgorithmsimprovingthemeasurementsprecisionandmarketcompetitiveadvantagesoffiberopticcurrentsensors
AT andreimedvedev researchonthemethodsandalgorithmsimprovingthemeasurementsprecisionandmarketcompetitiveadvantagesoffiberopticcurrentsensors
AT alexeymayzel researchonthemethodsandalgorithmsimprovingthemeasurementsprecisionandmarketcompetitiveadvantagesoffiberopticcurrentsensors