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102
19.2 Performance characteristics of functions
Function Symbol Accuracy class
Measurement
range
Display range
Frequency f 0.05 (IEC61557-12) 40 .. 70 Hz 40.00 .. 70.00 Hz
Voltage U L-N 0.2 (IEC61557-12) 10 .. 720 Veff 0 .. 999 kV
Voltage U L-L 0.2 (IEC61557-12) 18 .. 1000 Veff 0 .. 999 kV
Voltage harmonics currents Uh Cl. 1 (IEC61000-4-7) 1 .. 127 0 .. 999 kV
THD of the voltage THDu 1.0 (IEC61557-12) 0 .. 999% 0 .. 999%
Function Symbol
Accuracy class -
5 A nominal current
Measurement
range
Display range
Total active power P 0.2 (IEC61557-12) 0 .. 12.6 kW 0 .. 999 GW
Total reactive power
QA, Qv
1 (IEC61557-12)
0..16.6 kvar
0 .. 999 Gvar
Total apparent power
SA, Sv
0.5 (IEC61557-12)
0 .. 12.6 kVA
0 .. 999 GVA
Total active energy Ea
0.2 (IEC61557-12)
0.2S (IEC62053-22)
0 .. 999 GWh 0 .. 999 GWh
Total reactive energy ErA, ErV 1 (IEC61557-12) 0 .. 999 Gvarh 0 .. 999 Gvarh
Total apparent energy EapA, EapV 0.5 (IEC61557-12) 0 .. 999 GVAh 0 .. 999 GVAh
Phase current I 0.2 (IEC61557-12) 0 .. 6 Aeff 0 .. 999 kA
Neutral conductor current
calculated
INc 1.0 (IEC61557-12) 0.03 .. 25 A 0.03 .. 999 kA
Power factor PFA, PFV 0.5 (IEC61557-12) 0.00 .. 1.00 0.00 .. 1.00
Current harmonics Ih Cl. 1 (IEC61000-4-7) 1 .. 63 0 .. 999 kA
THD of the current THDi 1.0 (IEC61557-12) 0 .. 999% 0 .. 999%
Function Symbol
Accuracy class -
1 A nominal current
Measurement
range
Display range
Total active power P 0.5 (IEC61557-12) 0 .. 12.6 kW 0 .. 999 GW
Total reactive power
QA, Qv
1 (IEC61557-12)
0 .. 16.6kvar
0 .. 999 Gvar
Total apparent power
SA, Sv
0.5 (IEC61557-12)
0 .. 12.6kVA
0 .. 999 GVA
Total active energy Ea
0.5 (IEC61557-12)
0.5S (IEC62053-22)
0 .. 999 GWh 0 .. 999 GWh
Total reactive energy ErA, ErV 1 (IEC61557-12) 0 .. 999 Gvarh 0 .. 999 Gvarh
Total apparent energy EapA, EapV 0.5 (IEC61557-12) 0 .. 999 GVAh 0 .. 999 GVAh
Phase current I 0.5 (IEC61557-12) 0 .. 6 Aeff 0 .. 999 kA
Neutral conductor current
calculated
INc 1.0 (IEC61557-12) 0.03 .. 25 A 0.03 .. 999 kA
Power factor PFA, PFV 1 (IEC61557-12) 0.00 .. 1.00 0.00 .. 1.00
Current harmonics Ih Cl. 1 (IEC61000-4-7) 1 .. 63 0 .. 999 kA
THD of the current THDi 1.0 (IEC61557-12) 0 .. 999% 0 .. 999%