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State primary standard of units for electric current intensity conversion coeffi cients GET 152-2023
https://doi.org/10.32446/0368-1025it.2023-9-18-24
Abstract
The metrological support of measuring current converters as the main elements intended for measuring a large electric current is considered. Brief historical information about the creation of the State primary standard of units for electric current intensity conversion coeffi cients is given. The composition and metrological characteristics of the State primary standard of units for electric current intensity conversion coeffi cients GET 152-2023 are presented. The equations of measurements and the results of the studies of two standard measuring installations created as part of the improvement of GET 152-2023 from 2019 to 2022 are given. It is shown that the range of reproducible rated primary currents of a sinusoidal current installation is 1–1000 A in the frequency range of 40–2500 Hz, and the range of reproducible rated primary currents of a high direct current installation is 1000–10000 A. The data on the state verifi cation scheme for measuring instruments of the electric current conversion coeffi cients are given. Comparisons with the participation of UNIIM as a pilot for the period from 2019 to the present are listed. The prospects of further improvement of the GET 152-2023 to expand the measurement and calibration capabilities of this fi eld of measurement in the Russian Federation are described. The results of the work are relevant for metrological support of measuring converters of large electric current used in power engineering and industry.
About the Authors
A. A. Akhmeev
UNIIM – Affiliated Branch of the D. I. Mendeleyev Institute for Metrology
Russian Federation
Russian Federation
Andrey A. Akhmeev
Yekaterinburg
E. V. Voronskaya
UNIIM – Affiliated Branch of the D. I. Mendeleyev Institute for Metrology
Russian Federation
Russian Federation
Ekaterina V. Voronskaya
Yekaterinburg
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Review
For citations:
Akhmeev A.A., Voronskaya E.V. State primary standard of units for electric current intensity conversion coeffi cients GET 152-2023. Izmeritel`naya Tekhnika. 2023;(9):18-24. (In Russ.) https://doi.org/10.32446/0368-1025it.2023-9-18-24
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