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International comparison of current transformer calibration systems up to 10 kA at 50 Hz frequency
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2016 (English)In: CPEM 2016 - Conference on Precision Electromagnetic Measurements, Conference Digest, 2016Conference paper, (Refereed)
Abstract [en]

Current transformers (CTs) are precision devices that scale high currents down to values that can be easily handled by measurement equipment. To support CT applications in revenue metering, a comparison on AC current transformer calibration systems was performed among 15 European national metrology institutes using a precision CT as the travelling device. The first comparison results for the transformation ratios (4, 5, 6, 8, 10) kA/5 A of the travelling CT at nominal burden of 5 VA and 15 VA indicate good agreement between the participating laboratories. The main differences are found for phase displacement, at least partly caused by the instability of the traveling standard. © 2016 IEEE.

Place, publisher, year, edition, pages
2016.
Keyword [en]
AC current ratio, comparison, current measurement, current transformers (CT), high current, instrument transformers, phase displacement, ratio error, Calibration, Electric current measurement, Electric instrument transformers, Electric transformers, AC currents, High currents, Electric currents
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-27630DOI: 10.1109/CPEM.2016.7540493Scopus ID: 2-s2.0-84986325269ISBN: 9781467391344 (print)OAI: oai:DiVA.org:ri-27630DiVA: diva2:1059551
Conference
2016 Conference on Precision Electromagnetic Measurements, CPEM 2016, 10 July 2016 through 15 July 2016
Note

References: Harmon, S., Henderson, L., EUROMET Projects 473 and 612: Comparison of the measurement of current transformers (CTs) (2009) NPL Report TQE, 4. , March; Instrument Transformers-Part 2: Additional Requirements for Current Transformers, , IEC 61869-1 2007 Instrument transformers-Part 1: General requirements, and IEC 61869-2:2012; IEEE Standard Requirements for Instrument Transformers, , IEEE C57.13-2008; Globa, B.A., Zakharov, B.V., Khizhinskaya, V.A., Laboratory class 0.05 instrument transformer up to 10000 A (1965) Izmeritel'Naya Tekhnika, (1), pp. 46-47. , January; Cox, M.G., The evaluation of key comparison data (2002) Metrologia, 39, pp. 589-595

Available from: 2016-12-22 Created: 2016-12-21 Last updated: 2016-12-22Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
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