Luis Felipe Ceron Oliver luis.f.ceron-oliver@durham.ac.uk
PGR Student Doctor of Philosophy
Air-Gapped Current Transformer simulation and accuracy assessment
Ceron-Oliver, L.F.; Wang, Q.; Zeze, D.
Authors
Dr Qing Wang qing.wang@durham.ac.uk
Associate Professor
Professor Dagou Zeze d.a.zeze@durham.ac.uk
Professor
Abstract
The implementation of smart grids makes it necessary to have reliable and efficient measuring devices. Current sensors used for metering purposes in the grid must be accurate enough to overcome new challenges that power networks face such as injection of undesirable Direct Current (DC) in the system. A Current Transformer (CT) is a transformer widely used to measure current in an electrical circuit. This paper describes the modelling and simulation of a CT with a variable air gap, provides different results of cases with different air gap ratios and evaluates the respective primary and secondary currents in each case according to the standard IEC for instrument transformers. Results show that if an air gap is present, the transformer only reached an accuracy class of 0.5 when the air gap ratio is 0.001.
Citation
Ceron-Oliver, L., Wang, Q., & Zeze, D. (2022). Air-Gapped Current Transformer simulation and accuracy assessment. . https://doi.org/10.1109/melecon53508.2022.9843105
Conference Name | 2022 IEEE 21st Mediterranean Electrotechnical Conference (MELECON) |
---|---|
Conference Location | Palermo, ITALY |
Start Date | Jun 14, 2022 |
End Date | Jun 16, 2022 |
Acceptance Date | Mar 25, 2022 |
Online Publication Date | Aug 3, 2022 |
Publication Date | 2022 |
Deposit Date | Sep 7, 2022 |
Publicly Available Date | Sep 9, 2022 |
Publisher | Institute of Electrical and Electronics Engineers |
DOI | https://doi.org/10.1109/melecon53508.2022.9843105 |
Files
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