Experience with Current Transformer Calibration System Based on Rogowski Coil

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1 Citation (Scopus)

Abstract

This paper discusses experience with current transformer calibration system based on the Rogowski coil. Rogowski coil has no ferromagnetic material in the core and thus the coil cannot be saturated. This means that the coil has inherently excellent linearity. It can be calibrated with low current using a current shunt. The system was taken into use in 2003. Stability of the system is demonstrated, and experience with using the coil is summarized. Proven overall uncertainty in routine calibration work is 0.0025 % for ratio error and 50 μrad for phase displacement up to 8 kA.
Original languageEnglish
Title of host publicationCPEM 2018 - Conference on Precision Electromagnetic Measurements
PublisherIEEE Institute of Electrical and Electronic Engineers
Number of pages2
ISBN (Electronic)978-1-5386-0974-3 , 978-1-5386-0973-6
DOIs
Publication statusPublished - 2018
MoE publication typeA4 Article in a conference publication
EventConference on Precision Electromagnetic Measurements, CPEM 2018 - Paris, France
Duration: 8 Jul 201813 Jul 2018

Conference

ConferenceConference on Precision Electromagnetic Measurements, CPEM 2018
Abbreviated titleCPEM
CountryFrance
CityParis
Period8/07/1813/07/18

Keywords

  • calibration
  • high current
  • instrument current transformer
  • Rogowski coil

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