Abstract
Metrological support of digital electronic voltage transformers and low-power voltage sensors (converters, transformers) is presented. The methods and reference measurement facilities are described for the State Primary Special Standard of the coefficient of the ratio error and phase displacement of the AC electric voltage of the power frequency in the range from 0.1 /√3 to 750 /√3 kV, and the units of electrical capacitance and the loss angle tangent at AC voltage of the power frequency in the range from 1 to 500 kV in GÉT 175-2023, used for metrological support of the measurement facilities mentioned above. The results of the GÉT 175-2023 studies are presented—the expanded uncertainties in GÉT 175-2023 in the reproduction of the units of ratio error and phase displacement of the AC electric voltage of power frequency for metrological support of analog low-power voltage sensors (transformers, converters) include the uncertainty budget of the uncertainties of the current comparator, the low-voltage (reference) and high-voltage measurement measures, and the high-voltage MVÉ-01 bridge (SA7400MA1 amplifier), and are 9.62 · 10−5 and 12.2 · 10−5 rad, respectively. The expanded uncertainties in GÉT 175-2023 when reproducing the units of the ratio error and the phase displacement of the AC electric voltage of power frequency for metrological support of electronic digital voltage transformers and digital low-power voltage sensors (transformers, converters) include the uncertainty budget of the “high voltage–current” converter, “current–low voltage” converter, “low voltage–digital copy of voltage” converter, and the digital comparator, and are equal to 10.8 · 10−5 and 7.64 · 10−5 rad, respectively. GÉT 175-2023 makes it possible to solve the problems of the metrological support of electronic digital voltage transformers and digital low-power voltage sensors (transformers converters).
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Notes
Order of the Federal Agency for Technical Regulation and Metrology (Rosstandart) No. 640 dated March 23, 2023, Statement of the State Primary Special Standard of units of the ratio error and phase displacement of AC electric voltage of power frequency over the range from 0.1 / √3 to 750 / √3 kV, and the electrical capacitance and loss angle tangent of the units for AC voltage of power frequency over the range from 1 to 500 kV in GÉT 175-2023.
GOST R IEC 61869-6-2021. Measurement transformers. Part 6. Supplemental general requirements for low-power measurement transformers (converters).
GOST R 59409-2021 (IEC 61869-11-2017). Measurement transformers. Part 11. Supplemental requirements for low-power passive voltage transformers (converters).
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Further Reading
Kiselev, V.V.: S.Yu. Rogozhin, M.V. Grishin, T.A. Dubrovskaya, and A.A. Kutsobin, Legal and Applied Metrology [in Russian. No 3, 5–13 (2023)
Kiselev, V.V., Grishin, M.V., Dubrovskaya, T.A., Shkabura, V.V., Chernetsov, V.F.: Legal and Applied Metrology [in Russian. No 1, 33–37 (2019)
V.V. Kiselev and, M.V. Grishin, Digital Substation [in Russian. No 13, 40–43 (2020)
Grishin, M.V., Kiselev, V.V., Stepanov, A.A.: Legal and Applied Metrology [in Russian. No 4, 24–29 (2020)
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Translated from Izmeritel’naya Tekhnika, No. 9, pp. 46–52, September, 2023. Russian DOI: https://doi.org/1032446/0368-1025it.023-9-46-52
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Original article submitted August 1, 2023. Accepted for publication September 18, 2023.
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Grishin, M.V., Leonov, A.V. & Kucobin, A.A. Metrological support of digital electronic voltage transformers and low-power voltage sensors. Meas Tech 66, 690–698 (2023). https://doi.org/10.1007/s11018-024-02282-5
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DOI: https://doi.org/10.1007/s11018-024-02282-5
Keywords
- State Primary Special Standard
- AC voltage
- Power frequency
- Ratio error
- Phase displacement
- Digital electronic voltage transformers
- Low-power voltage sensors
- Converters
- Transformers
- Metrological support