UMG 512-PRO
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108
15.7 Performance characteristics of functions
15.7.1
Measurements at 50/60 Hz
The measurements are made via current transformers ../5 A.
Function
Symbol
Accuracy class
Measuring range
Display range
Total active power
P
0.2
5)
(IEC61557-12)
0 .. 15.3 kW
0 W .. 9999 GW *
Total reactive power
QA
6)
, Qv
6)
1 (IEC61557-12)
0 .. 15.3 kvar
0 varh .. 9999 Gvar *
Total apparent power
SA, Sv
6)
0.2
5)
(IEC61557-12)
0 .. 15.3 kVA
0 VA .. 9999 GVA *
Total active energy
Ea
0.2
5)
(IEC61557-12)
0.2S
5)
(IEC62053-22)
0 .. 15.3 kWh
0 Wh .. 9999 GWh *
Total reactive energy
ErA
6)
, ErV
6)
1
(IEC61557-12)
0 .. 15.3 kvarh
0 varh .. 9999 Gvarh *
Total apparent energy
EapA,EapV
6)
0.2
5)
(IEC61557-12)
0 .. 15.3 kVAh
0 VAh .. 9999 GVAh *
Frequency
f
0.02 (IEC61557-12)
40 .. 70 Hz
40 Hz .. 70 Hz
Phase current
I
0.1
(IEC61557-12)
0.005 .. 7 Arms
0 A .. 9999 kA
Neutral conductor current
measured
IN
0.1
(IEC61557-12)
0.005 .. 7 Arms
0 A .. 9999 kA
Residual currents I5, I6
IDIFF
1
(IEC61557-12)
0 .. 40 mArms
0 A .. 9999 kA
Neutral conductor current
calculated
INc
0.5
(IEC61557-12)
0.005 .. 21 A
0 A .. 9999 kA
Voltage
U L-N
0.1
(IEC61557-12)
10 .. 600 Vrms
0 V .. 9999 kV
Voltage
U L-L
0.1
(IEC61557-12)
18 .. 1000 Vrms
0 V .. 9999 kV
Power factor
PFA, PFV
0.5
(IEC61557-12)
0.00 .. 1.00
0 .. 1
Short-term flicker, long-term
flicker
Pst, Plt
Cl. A (IEC61000-4-15)
0.4 pst to 10.0 pst
0 .. 10
Voltage dips
Udip
0.2
(IEC61557-12)
10 .. 600 Vrms
0 V .. 9999 kV
Voltage swells
Uswl
0.2
(IEC61557-12)
10 .. 600 Vrms
0 V .. 9999 kV
Transient overvoltages
Utr
0.2
(IEC61557-12)
10 .. 600 Vrms
0 V .. 9999 kV
Voltage interruptions
Uint
Du- 1 cycle
-
-
Voltage unbalance
1)
Unba
0.2
(IEC61557-12)
10 .. 600 Vrms
0 V .. 9999 kV
Voltage unbalance
2)
Unb
0.2
(IEC61557-12)
10 .. 600 Vrms
0 V .. 9999 kV
Voltage harmonics
Uh
Cl. 1
(IEC61000-4-7)
Up to 3 kHz
0 V .. 9999 kV
THD of the voltage
3)7)
THDu
1.0
(IEC61557-12)
Up to 3 kHz
0% .. 999%
THD of the voltage
4) 7)
THD-Ru
1.0
(IEC61557-12)
Up to 3 kHz
0% .. 999%
Current harmonics
7)
Ih
Cl. 1
(IEC61000-4-7)
Up to 3 kHz
0 A .. 9999 kA
THD of the current
3) 7)
THDi
1.0
(IEC61557-12)
Up to 3 kHz
0% .. 999%
THD of the current
4) 7)
THD-Ri
1.0
(IEC61557-12)
Up to 3 kHz
0% .. 999%
Mains signal voltage (interhar-
monics voltage)
MSV
IEC 61000-4-7 Class 1
10% - 200% of IEC
61000-2-4 Class 3
0 V .. 9999 kV
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