Electrooptic methods for measurement of small DC currents at high voltage level

Ole Tønnesen; Neville Beatty; Asbjørn Ottar Skilbreid

doi:10.1109/61.32644

Electrooptic methods for measurement of small DC currents at high voltage level

Ole Tønnesen, Neville Beatty, Asbjørn Ottar Skilbreid

Technical University of Denmark

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Abstract

Two electrooptic methods for measurement of DC currents at high voltage levels, extending from the nanoampere range and up to the milliampere range have been developed. By switching the polarity of a measured DC voltage across a Pockels cell, DC currents can be measured and transmitted along an optical fiber to an electrooptic converter. Using an electronic circuit, the measured signal can be converted into a modulated-frequency form for transmission along an optical fiber. These systems are described, measurement results are presented and improvements to be made in the future are outlined. The measurement methods can be used for both development and supervision of electrical insulating systems

Original language	English
Journal	IEEE Transactions on Power Delivery
Volume	4
Issue number	3
Pages (from-to)	1568-1572
ISSN	0885-8977
DOIs	https://doi.org/10.1109/61.32644
Publication status	Published - 1989

Bibliographical note

Copyright: 1989 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE

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title = "Electrooptic methods for measurement of small DC currents at high voltage level",

abstract = "Two electrooptic methods for measurement of DC currents at high voltage levels, extending from the nanoampere range and up to the milliampere range have been developed. By switching the polarity of a measured DC voltage across a Pockels cell, DC currents can be measured and transmitted along an optical fiber to an electrooptic converter. Using an electronic circuit, the measured signal can be converted into a modulated-frequency form for transmission along an optical fiber. These systems are described, measurement results are presented and improvements to be made in the future are outlined. The measurement methods can be used for both development and supervision of electrical insulating systems",

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AU - Tønnesen, Ole

AU - Beatty, Neville

AU - Skilbreid, Asbjørn Ottar

N1 - Copyright: 1989 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE

PY - 1989

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N2 - Two electrooptic methods for measurement of DC currents at high voltage levels, extending from the nanoampere range and up to the milliampere range have been developed. By switching the polarity of a measured DC voltage across a Pockels cell, DC currents can be measured and transmitted along an optical fiber to an electrooptic converter. Using an electronic circuit, the measured signal can be converted into a modulated-frequency form for transmission along an optical fiber. These systems are described, measurement results are presented and improvements to be made in the future are outlined. The measurement methods can be used for both development and supervision of electrical insulating systems

AB - Two electrooptic methods for measurement of DC currents at high voltage levels, extending from the nanoampere range and up to the milliampere range have been developed. By switching the polarity of a measured DC voltage across a Pockels cell, DC currents can be measured and transmitted along an optical fiber to an electrooptic converter. Using an electronic circuit, the measured signal can be converted into a modulated-frequency form for transmission along an optical fiber. These systems are described, measurement results are presented and improvements to be made in the future are outlined. The measurement methods can be used for both development and supervision of electrical insulating systems

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DO - 10.1109/61.32644

M3 - Journal article

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JO - IEEE Transactions on Power Delivery

JF - IEEE Transactions on Power Delivery

IS - 3

ER -

Electrooptic methods for measurement of small DC currents at high voltage level

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