Instrument Transformers for Power Quality Measurements: a Review of Literature and Standards

descriptionPublicationkeyboard_double_arrow_right Article , Conference object 29 Sep 2021 Italy Publisher:IEEEJournal:2021 IEEE 11th International Workshop on Applied Measurements for Power Systems (AMPS)

Authors: Crotti, Gabriella; D'Avanzo, Giovanni; Landi, Carmine; Letizia, Palma S.; Luiso, Mario; Munoz, Fabio; van den Brom, Helko;

doi: 10.1109/amps50177.2021.9586028 , 10.5281/zenodo.6093506 , 10.5281/zenodo.6093507

handle: 11583/2969105 , 11696/74238

Instrument Transformers for Power Quality Measurements: a Review of Literature and Standards

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Abstract

Measurements of Power Quality (PQ) are gaining more importance due to increasing presence of switching power converters that deform the waveform of the distributed voltage further and further away from a sine wave. Especially at medium and high voltage levels, PQ measurements are carried out by means of Instrument Transformers (ITs). A recently started European metrology project, EMPIR 19NRM05 IT4PQ, aims at establishing the methods and procedures for assessing the accuracy of ITs used for PQ measurements. This paper, that is written in the framework of the IT4PQ project, presents a thorough review of the current state-of-the-art of literature and international standards about ITs and PQ. The main results from several papers and the main information from IT and PQ related international standards are summarized.

"This project 19NRM05 IT4PQ has received funding from the EMPIR programme co-financed by the Participating States and from the European Union's Horizon 2020 research and innovation programme". Funder name: European Metrology Programme for Innovation and Research (EMPIR) Funder ID: 10.13039/100014132

Country

Italy

Related Organizations

University of Campania "Luigi Vanvitelli"
Italy
Istituto Nazionale di Ricerca Metrologica
Italy
Polytechnic University of Turin
Italy
Institute of Electrical and Electronics Engineers
France
Institute of Electrical and Electronics Engineers
United States

Keywords

Measurements of Power Quality (PQ) are gaining more importance due to increasing presence of switching power converters that deform the waveform of the distributed voltage further and further away from a sine wave. Especially at medium and high voltage levels, PQ measurements are carried out by means of Instrument Transformers (ITs). A recently started European metrology project, EMPIR 19NRM05 IT4PQ, aims at establishing the methods and procedures for assessing the accuracy of ITs used for PQ measurements. This paper, that is written in the framework of the IT4PQ project, presents a thorough review of the current state-of-the-art of literature and international standards about ITs and PQ. The main results from several papers and the main information from IT and PQ related international standards are summarized., Calibration; Instrument Transformer; Power Quality; Power System Measurements; Standard; Uncertainty, Instrument Transformer, Power Quality, Power System Measurements, Calibration, Uncertainty, Standard

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