A comparison of two current transformer calibration systems at NRC Canada

A comparison of two systems based on different methods for calibration of current transformers at a number of different transformation ratios and power frequencies of 60 Hz and 50 Hz at the National Research Council (NRC) of Canada is described. The obtained discrepancies in ratio and phase errors a...

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Bibliographic Details
Main Authors: Djokic, B., Parks, H., Wise, N., Naumovic-Vukovic, D., Skundric, S., Zigic, A., Poluzanski, V.
Format: Conference Proceeding
Language:English
Subjects:
AC current measurement
Calibration
Conferences
current comparator
Current measurement
current transformer
Current transformers
Electromagnetic measurement
Measurement uncertainty
Phase error
Phase measurement
Transformations
Transformers
Windings
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Description
Summary:A comparison of two systems based on different methods for calibration of current transformers at a number of different transformation ratios and power frequencies of 60 Hz and 50 Hz at the National Research Council (NRC) of Canada is described. The obtained discrepancies in ratio and phase errors are within a few μA/A for small test currents, and less for larger test currents.
ISSN:2160-0171
DOI:10.1109/CPEM.2016.7540757