International comparison of current transformer calibration systems up to 10 kA at 50 Hz frequency

K. Draxler, R. Styblíková, G. Rietveld, Brom H. van den, M. Schnaitt, W. Waldmann, E. Dimitrov, T. Cincar-Vujovic, B. Pączek, G. Sadkowski, G. Crotti, R. Martín, F. Garnacho, I. Blanc, R. Kämpfer, C. Mester, A. Wheaton, E Mohns, A. Bergman, M. HammarquistH. Çayci, Jari Hällström, Esa-Pekka Suomalainen

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

1 Citation (Scopus)


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.
Original languageEnglish
Title of host publication2016 Conference on Precision Electromagnetic Measurements (CPEM 2016)
PublisherIEEE Institute of Electrical and Electronic Engineers
Number of pages2
ISBN (Electronic)978-1-4673-9132-0, 978-1-4673-9134-4
ISBN (Print)978-1-4673-9135-1
Publication statusPublished - 11 Aug 2016
MoE publication typeA4 Article in a conference publication
EventConference on Precision Electromagnetic Measurements, CPEM 2016 - Ottawa, Canada
Duration: 10 Jul 201615 Jul 2016


ConferenceConference on Precision Electromagnetic Measurements, CPEM 2016
Abbreviated titleCPEM 2016


  • current measurement
  • current transformers
  • laboratories
  • standards
  • atmospheric measurements
  • measurement uncertainty
  • particle measurements


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