An optically isolated hybrid two-stage current transformer for measurements at high voltage

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DOIResolve DOI: http://doi.org/10.1109/IMTC.2005.1604300
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TypeArticle
Proceedings title2005 IEEE Instrumentationand Measurement Technology Conference Proceedings
Series titleIEEE Instrumentation and Measurement Technology Conference Proceedings
Conference2005 IEEE Instrumentationand Measurement Technology, 16-19 May 2005, Ottawa, ON, Canada
ISSN1091-5281
ISBN0-7803-8879-8
Pages10441047
Subjectlaser optically powered circuits; current measurement; current transformer; power system; power supply
AbstractThe development of a high-voltage reference current measurement system for on-site/in-situ calibrations in power systems is described in the paper. The system is based on an optically isolated hybrid two-stage current transformer with electronic circuitry that performs A/D conversion. It features a fiber optic link for data transmission to a ground station, and a laser-driven fiber optic link for supplying power to the electronic circuitry of the remote module at high voltage. The ratio accuracy of the current measurement is estimated to be better than 100middot10-6
Publication date
PublisherIEEE
LanguageEnglish
AffiliationNRC Institute for National Measurement Standards; National Research Council Canada
Peer reviewedYes
NPARC number23001241
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Record identifier60c205b6-3a33-4408-bb19-73cef98320cb
Record created2017-01-11
Record modified2017-01-11
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