Metrological attributes of current transformers in electrical energy meters

Issue title: 12th International Workshop on 1&2 Dimensional Magnetic Measurement and Testing (2012)

Guest editors: Helmut Pfützner, Georgi Shilyashki and Franz Hofbauer

Article type: Research Article

Authors: Soinski, Marian^a | Pluta, Wojciech^a | Zurek, Stan^{b; *} | owski, Adam Kozł^c

Affiliations: [a] Electrical Engineering Faculty, Czestochowa University of Technology, Czestochowa, Poland | [b] Megger Instruments Ltd, Dover, UK | [c] Magneto Ltd., Czestochowa, Poland | Institute of Electrodynamics, Microwave and Circuit Engineering, University of Technology, Vienna, Austria

Correspondence: [*] Corresponding author: Stan Zurek, Megger Instruments Ltd, Archcliffe Road, Dover, CT17 9EN, UK. E-mail: plutaw@ el.pcz.czest.pl

Abstract: Instrument current and voltage transformers remain the basic apparatus used in measurements of energy in electrical grid. Increasing importance of distributed energy sources necessitates more precise measurements of consumed as well as generated electrical energy. Both types occur in low voltage network where the main focus is on current transformers for electronic-type electrical energy meters. These current transformers should fulfil many requirements for precise electrical energy measurements. This paper presents a modern system for measurement of various metrological features of current transformers.

Keywords: Current transformer, phase error, amplitude error, nanocrystalline cores

DOI: 10.3233/JAE-141790

Journal: International Journal of Applied Electromagnetics and Mechanics, vol. 44, no. 3-4, pp. 279-284, 2014