Results for: Laboratorio Central Oficial de Electrotecnica
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In the CMCs uncertainty statements, the notation Q[a, b] stands for the root-sum-square of the terms between brackets: Q[a, b] = [a 2 + b 2]1/2
Unless otherwise stated the expanded uncertainties given below correspond to k = 2 (at a 95 % level of confidence)
Spain, LCOE (Laboratorio Central Oficial de Electrotecnica)
High voltage and current ,
High AC voltage: RMS value
:
1 kV to 500 kV
RMS voltage responding measuring system, AC voltmeter, AC voltage source
Relative expanded uncertainty
:
5.0E2 µV/V
Comparison with reference system
Frequency : 50 Hz, 60 Hz
Approved on 07 February 2019
Institute service identifier : LCOE/62
CMC ID :
EURAMET-EM-ES-00000E51-1
High voltage and current ,
High DC voltage: ratios
:
1.00E-6 to 1
DC high voltage dividers, DC high voltage probes
Relative expanded uncertainty
:
5.0E-5 to 1.0E-4
Uncertainty table
{"row_1":{"col_1":"Voltage (kV)","col_2":"Expanded uncertainty (dimensionless)"},"row_2":{"col_1":"1 kV","col_2":"50 E-6"},"row_3":{"col_1":"1 kV to 100 kV","col_2":"100E-6"}}
100E-06, (50E-06 for 1 kV level)
Comparison with reference divider
Voltage : 1 kV to 100 kV
Approved on 23 June 2022
Institute service identifier : LCOE/61 update
CMC ID :
EURAMET-EM-ES-00000E50-2
High voltage and current ,
High AC voltage: peak values
:
1 kV to 500 kV
Peak voltage responding measuring system, AC voltmeter, AC voltaqe source
Relative expanded uncertainty
:
0.5 mV/V to 1 mV/V
Uncertainty table
{"row_1":{"col_1":"","col_2":"Expanded uncertainty (mV/V)"},"row_2":{"col_1":"1 kV to 200 kV","col_2":"0.5"},"row_3":{"col_1":"200 kV to 500 kV","col_2":"1"}}
Comparison with reference system
Frequency : 50 Hz, 60 Hz
Approved on 07 February 2019
Institute service identifier : LCOE/64
CMC ID :
EURAMET-EM-ES-00000E52-2
High voltage and current ,
Impulse voltage and current: lightning impulse front time
:
0.8 µs to 2 µs
High voltage divider, high voltage measuring system, EMC surge generator
Relative expanded uncertainty
:
2 % to 3 %
Uncertainty table
{"row_1":{"col_1":"","col_2":"Expanded uncertainty"},"row_2":{"col_1":"1 kV to 600 kV","col_2":"2.0E-2"},"row_3":{"col_1":"600 kV to 700 kV","col_2":"3.0E-2"}}
Comparison with high voltage reference measuring system
IEC 60060-2
Impulse shape : according to IEC 60060-1; 1 kV to 700 kV
Approved on 07 February 2019
Institute service identifier : LCOE/68
CMC ID :
EURAMET-EM-ES-00000E55-3
High voltage and current ,
Impulse voltage and current: lightning impulse time to half value
:
40 µs to 60 µs
High voltage divider, high voltage measuring system, EMC surge generator
Relative expanded uncertainty
:
1 %
Comparison with high voltage reference measuring system
IEC 60060-2
Impulse shape : according to IEC 60060-1; 1 kV to 700 kV
Approved on 07 February 2019
Institute service identifier : LCOE/69
CMC ID :
EURAMET-EM-ES-00000E56-3
High voltage and current ,
High DC voltage: average value
:
1 kV to 200 kV
High DC voltage measuring systems, DC voltage sources, DC voltmeters
Relative expanded uncertainty
:
5.0E1 µV/V to 1.0E2 µV/V
100, (50 for 1 kV level) The uncertainty is expressed in µV/V
Comparison with reference system
Approved on 07 February 2019
Institute service identifier : LCOE/59
CMC ID :
EURAMET-EM-ES-00000E4Z-2
High voltage and current ,
Parameters for other impulse voltage types: other impulse measuring system
:
1 kV to 100 kV
High voltage measuring system for Very Fast Transients: voltage scale factor
Relative expanded uncertainty
:
1.1E1 mV/V
Comparison with high voltage reference measuring system
Time to steady state, ts, : 6 ns to 25 ns
Calibration of the scale factor of very fast transients measuring systems using a high voltage step (see figure 6 of AMD 1 of IEC 60270 for parameters definition)
Approved on 12 April 2021
Institute service identifier : 73
CMC ID :
EURAMET-EM-ES-00000MHP-1
High voltage and current ,
Electric discharge: apparent charge
:
0.2 pC to 1.00E5 pC
Partial discharge calibrator: apparent charge q
Relative expanded uncertainty
:
1.5E1 mC/C
Comparison with digital integration
Approved on 12 April 2021
Institute service identifier : 76
CMC ID :
EURAMET-EM-ES-00000MHS-1
High voltage and current ,
Parameters for other impulse voltage types: other impulse measuring system
:
6 ns to 25 ns
High voltage measuring system for Very Fast Transients: time to steady state, ts
Absolute expanded uncertainty
:
1.5 ns
Comparison with high voltage reference measuring system
Step voltage magnitude : 1 kV to 100 kV
Calibration of the time to steady state of very fast transients measuring systems using a high voltage step (see figure 6 of AMD 1 of IEC 60270 for parameters definition)
Approved on 12 April 2021
Institute service identifier : 74
CMC ID :
EURAMET-EM-ES-00000MHQ-1
High voltage and current ,
Electric discharge: apparent charge
:
0.1 pC to 0.2 pC
Partial discharge calibrator: apparent charge q
Relative expanded uncertainty
:
5.0E1 mC/C
Comparison with analogue integrator
Approved on 12 April 2021
Institute service identifier : 75
CMC ID :
EURAMET-EM-ES-00000MHR-1
High voltage and current ,
High AC voltage: voltage transformer ratio error
:
0 to 0.02
Voltage transformer, voltage divider
Absolute expanded uncertainty
:
8.0E-5 to 1.0E-4
Uncertainty table
{"row_1":{"col_1":"","col_2":"Expanded uncertainty"},"row_2":{"col_1":"1 kV to 60 kV","col_2":"80E-06"},"row_3":{"col_1":"60 kV to 500 kV","col_2":"100E-06"}}
Bridge
Primary voltage : 1 kV to 500 kV
Secondary voltage : 1 V to 500 V
Frequency : 50 Hz, 60 Hz
Approved on 23 June 2022
Institute service identifier : LCOE/65 update
CMC ID :
EURAMET-EM-ES-00000E47-3
High voltage and current ,
High AC voltage: voltage transformer phase displacement
:
0 crad to 2 crad
Voltage transformer, voltage divider
Absolute expanded uncertainty
:
8.7E-3 crad to 1.2E-2 crad
Uncertainty table
{"row_1":{"col_1":"<br>","col_2":"1 kV to 60 kV","col_3":"60 kV to 500 kV"},"row_2":{"col_1":"1E-06 crad to 2 crad","col_2":"0.0087","col_3":"0.012"}}
Bridge
Primary voltage : 1 kV to 500 kV
Secondary voltage : 1 V to 500 V
Frequency : 50 Hz, 60 Hz
Approved on 23 June 2022
Institute service identifier : LCOE/66 update
CMC ID :
EURAMET-EM-ES-00000E4E-2
High voltage and current ,
High AC current: ratio error
:
0 to 0.02
Current transformer
Absolute expanded uncertainty
:
5.0E-5 to 1.0E-4
Uncertainty table
{"row_1":{"col_1":"% I<sub>R</sub>","col_2":"Expanded uncertainty"},"row_2":{"col_1":"1 % ≤ I<sub>R</sub> < 20 %","col_2":"1.10<sup>-4</sup>"},"row_3":{"col_1":"20 % ≤ I<sub>R</sub> ≤ 200 %","col_2":"5.10<sup>-5</sup>"}}
Comparison with reference standard
Primary current : 0.01 A to 8 kA
Secondary current : 0.01 A to 10 A
Frequency : 50 Hz, 60 Hz
Approved on 12 April 2021
Institute service identifier : 71
CMC ID :
EURAMET-EM-ES-00000E4R-4
High voltage and current ,
High AC current: ratio: phase displacement
:
0 mrad to 20 mrad
Current transformer
Absolute expanded uncertainty
:
0.11 mrad
Comparison with reference standard
Primary current : 0.01 A to 8 kA
Secondary current : 0.01 A to 10 A
Frequency : 50 Hz, 60 Hz
According to IEC 61869-2
Approved on 07 February 2019
Institute service identifier : LCOE/72
CMC ID :
EURAMET-EM-ES-00000E4S-1
High voltage and current ,
Impulse voltage and current: switching impulse test voltage value
:
1 kV to 100 kV
High voltage divider, high voltage measuring system, EMC surge generator
Relative expanded uncertainty
:
0.1 %
Comparison with high voltage reference measuring system
IEC 60060-2
Impulse shape : according to IEC 60060-1; 1kV to 100 kV
Approved on 07 February 2019
Institute service identifier : LCOE/70
CMC ID :
EURAMET-EM-ES-00000E57-3
High voltage and current ,
Impulse voltage and current: lightning impulse test voltage value
:
1 kV to 700 kV
High voltage divider, high voltage measuring system, EMC surge generator
Relative expanded uncertainty
:
0.5 %
Comparison with high voltage reference measuring system
IEC 60060-2
Impulse shape : according to IEC 60060-1
Approved on 07 February 2019
Institute service identifier : LCOE/67
CMC ID :
EURAMET-EM-ES-00000E54-2
