Abstract
The metrological support of current transducers as the main elements intended to measure a high electric current is considered. The article briefly details the creation of the State Primary Standard for the units of current intensity conversion factors, as well as presenting the composition and metrological characteristics of GET 152-2023 State Primary Standard for the units of current intensity conversion factors. Measurement equations and the results of studying two standard systems created in 2019–2022 as part of GET 152-2023 improvement are presented. It is shown that the sinusoidal current system can reproduce nominal primary currents ranging from 1 to 1000 A within the frequency range of 40–2500 Hz, while the high DC system can reproduce nominal primary currents ranging from 1000 to 10,000 A. The authors also provide data on the state hierarchy scheme for instruments measuring current intensity conversion factors. Comparisons involving UNIIM participation as the pilot (from 2019 to the present time) are listed and prospects for the further improvement of GET 152-2023 aimed at expanding measurement and calibration capabilities in this field of measurement in the Russian Federation are described. The study results are relevant for the metrological support of high-current transducers used in power engineering and industry.
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Notes
Rosstandart Order No. 608 of March 21, 2023 “On Approval of the State Primary Standard for the units of current intensity conversion factors.”.
Rosstandart Order No. 1491 of July 21, 2023 “On Approval of the State Verification Scheme for Instruments Measuring Current Intensity Conversion Factors.”.
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Translated from Izmeritel’naya Tekhnika, No. 9, pp. 18–24, September 2023. Russian DOI: https://doi.org/10.32446/0368-1025it.2023-9-18-24
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Original article submitted 07/06/2023. Accepted 09/11/2023
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Akhmeev, A.A., Voronskaya, E.V. GET 152-2023 State Primary Standard for the units of current intensity conversion factors. Meas Tech 66, 656–663 (2023). https://doi.org/10.1007/s11018-024-02278-1
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DOI: https://doi.org/10.1007/s11018-024-02278-1