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Results of an International Comparison of Instrument Current Transformers up to 10 kA at 50 Hz Frequency
CTU, Czech Republic.
CMI, Czech Republic.
CTU, Czech Republic.
VSL, Netherlands.
Show others and affiliations
2018 (English)In: CPEM 2018 - Conference on Precision Electromagnetic Measurements, 2018Conference paper, Published paper (Refereed)
Abstract [en]

Traceability of the current ratio is crucial for the measurement of electrical energy in revenue metering. A comparison of the AC current ratio was therefore performed within EURAMET in the time period 2012-2016, using a precision CT as the traveling device. The Czech Metrology Institute (CMI) as coordinator processed the measurement results of the 15 European participating laboratories. The comparison of the results for transformer ratios of (4, 5, 6, 8, 10) kA 5 A at 15 VA burden and (4 and 10) kA 5 A ratios at 5 VA burden indicates good agreement between the participating laboratories. The main differences are found for phase displacement, at least in part due to instability of the traveling standard. .

Place, publisher, year, edition, pages
2018.
Keywords [en]
comparison, current measurement, Current ratio, current transformers (CT), high current, instrument transformers, phase displacement, ratio error, Electric current measurement, Current ratios, High currents, Electric instrument transformers
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-36560DOI: 10.1109/CPEM.2018.8500821Scopus ID: 2-s2.0-85057026766ISBN: 9781538609736 (print)OAI: oai:DiVA.org:ri-36560DiVA, id: diva2:1271551
Conference
2018 Conference on Precision Electromagnetic Measurements, CPEM 2018, 8 July 2018 through 13 July 2018
Available from: 2018-12-17 Created: 2018-12-17 Last updated: 2018-12-17Bibliographically approved

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Bergman, Anders

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Total: 26 hits
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