Magnetic crosstalk compensation for an optical current transducer

Author

Niewczas, Pawel ; Madden, W. Iain ; Michie, W. Craig ; Cruden, Andrew ; Mcdonald, James R

Author_Institution

Centre for Electr. Power Eng., Strathclyde Univ., Glasgow, UK

Volume

50

Issue

5

fYear

2001

fDate

10/1/2001 12:00:00 AM

Firstpage

1071

Lastpage

1075

Abstract

In this paper, we analyze the errors associated with magnetic crosstalk within point type, or unlinked, optical current transducers (OCTs) working in a three-phase electric current transmission systems. For many practical conductor arrangements, the magnetic crosstaIk may introduce errors unacceptable for the accuracy requirements demanded from the OCT. A solution to this problem is devised around a unique compensation method which solves, in real time, a set of linear equations, each representing the instantaneous output signal from one phase current sensor

Keywords

Faraday effect; calibration; crosstalk; electric current measurement; error compensation; magneto-optical sensors; measurement errors; transducers; Faraday effect; compensation; conductor; errors; linear equations; magnetic crosstaIk; magnetic crosstalk; magnetooptic transducer; optical current transducers; phase current sensors; real time; three-phase electric current transmission; Conductors; Magnetic field measurement; Magnetic fields; Magnetic sensors; Optical crosstalk; Optical fiber polarization; Optical propagation; Optical sensors; Sensor phenomena and characterization; Transducers;

fLanguage

English

Journal_Title

Instrumentation and Measurement, IEEE Transactions on

Publisher

ieee

ISSN

0018-9456

Type

jour

DOI

10.1109/19.963160

Filename

963160