Supplementary comparison of the measurement of current transformers (CTs)

IF 2.1 3区工程技术 Q2 INSTRUMENTS & INSTRUMENTATION Metrologia Pub Date : 2024-07-29 DOI:10.1088/0026-1394/61/1a/01006

A A Akhmeev, E V Voronskay, V N Kikalo, E V Melkumyan, O Dzhasinbekov, G Gantumur, D M Volozhinskii

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Abstract

Main textThe purpose of conducting comparison COOMET.EM-S22 of reference measuring systems of the AC current ratio of national metrological institutes (NMIs) is to determine the degree of consistency of national standards among themselves in the participating countries.Six NMIs participated in the supplementary comparison COOMET.EM-S22. Affiliated Branch of D I Mendeleev Institute for Metrology (VNIIM-UNIIM), Russian Federation, acted as the coordinating laboratory of the comparison.The comparisons were carried out by comparing the measurement results of the characteristics of measuring current transformers (CTs), namely, the units of the coefficient and the angle of the scale conversion of the sinusoidal current at a frequency of 50 Hz.To reach the main text of this paper, click on Final Report. Note that this text is that which appears in Appendix B of the BIPM key comparison database https://www.bipm.org/kcdb/.The final report has been peer-reviewed and approved for publication by the CCEM, according to the provisions of the CIPM Mutual Recognition Arrangement (CIPM MRA).

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电流互感器 (CT) 测量的补充比较

正文进行国家计量机构（NMIs）交流电流比参考测量系统 COOMET.EM-S22 比对的目的是确定参与国国家标准之间的一致程度。俄罗斯联邦 D I 门捷列夫计量研究院附属分院 (VNIIM-UNIIM) 是此次比对的协调实验室。比对通过比较测量电流互感器 (CT) 特性的测量结果进行，即频率为 50 Hz 的正弦电流的系数单位和刻度转换角度。请注意，此文本为 BIPM 关键比较数据库附录 B 中的文本 https://www.bipm.org/kcdb/.The 根据 CIPM 互认安排 (CIPM MRA) 的规定，最终报告已通过同行评审，并获准由 CCEM 出版。

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来源期刊

Metrologia 工程技术-物理：应用

CiteScore

2.80

自引率

25.00%

发文量

137

审稿时长

12 months

期刊介绍： Published 6 times per year, Metrologia covers the fundamentals of measurements, particularly those dealing with the seven base units of the International System of Units (metre, kilogram, second, ampere, kelvin, candela, mole) or proposals to replace them. The journal also publishes papers that contribute to the solution of difficult measurement problems and improve the accuracy of derived units and constants that are of fundamental importance to physics. In addition to regular papers, the journal publishes review articles, issues devoted to single topics of timely interest and occasional conference proceedings. Letters to the Editor and Short Communications (generally three pages or less) are also considered.