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COOMET.EM-S25
Metrology area, Sub-field Electricity and Magnetism, High voltage and current
Description Conversion factors for current transformers
Time of measurements 2020 - 2022
Status Measurements in progress
Measurand AC high current , current ratio error and phase displacement

Ratio (0.5 A ... 5000 A) / (5 A, 1 A)

Parameters

Ratio (5 A ... 1000 A) / 5 A, frequency from 50 Hz to 2500 Hz

Ratio (0.5 A ... 5000 A) / (5 A, 1 A): frequency at 50 Hz

Transfer device Current transformer: #1 TTE-5000.5 and #2 ITT-1000.5
Comparison type Supplementary Comparison
Consultative Committee CCEM (Consultative Committee for Electricity and Magnetism)
Conducted by COOMET (Euro-Asian Cooperation of National Metrological Institutions)
RMO Internal Identifier COOMET 813/RU/20
Pilot institute VNIIM
D.I. Mendeleyev Institute for Metrology, Rosstandart
Russian Federation
Contact person Andrey Akhmeev

+73432172920
Additional
First Name Last Name
wwww@ww.www +356719836 Institute 1 Institute 1 Khmelnitskiy
Pilot laboratory
VNIIM

D.I. Mendeleyev Institute for Metrology, Rosstandart, Russian Federation, COOMET

BelGIM

Belarussian State Institute for Metrology, Belarus, COOMET

GEOSTM

Georgian National Agency for Standards and Metrology, Georgia, COOMET

UzNIM

Uzbek National Institute of Metrology, Uzbekistan, COOMET

Comparison
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Results
Comparison
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Results