Operating instructions
multicomp
Page 26 of 29
Version 1.00
E
D
EBD
A0
14
4 /
05
11-
1
GB
11
Technical Data
11.1 Measuring
and display values
11.2 Measuring accuracy
11.3 Measuring principle
Voltage
Actual value of a measuring interval
Phase - 0 or phase - phase, depending on programming
Units
[V, kV;] display is switched automatically
Display range
0.00 kV to 99.9 kV
Measuring range
30 ... 690 ... 790 V
Current (apparent)
Actual value of a measuring interval
Instantaneous value per phase
Units
[A;kA] display is switched automatically
Display range
0.00 A to 999 kA
Measuring range
0.015 ... 5 ... 6 A
Frequency
Power frequency measurement
f
Network
Units
[Hz]
Measuring range
40.....70Hz
Apparent power
Calculation
S
total
, three-phase
Units
kVA
Measuring range
0.0 VA to 9999.9 kVA
Active power
Calculation
P
total;
three-phase
Units
kW
Measuring range
0.0 W to 9999.9 kW
Reactive power
Calculation —> ind. & cap.
Q
total;
Q
miss;
distinction between ind./cap.
Units
kvar
Display range
0.0 var to 9999.9 kvar
Power factor
Calculation —> ind. & cap.
CosPhi; distinction between ind./cap. CosPhi in display
Display range
CosPhi 0.10 ind. <—1 —> 0.10 cap.
Harmonics
Distortion factor (THD) of voltage
Voltage: KF-U
Partial distortion factors
3rd; 5th; 7th; 9th; 11th; 13th; Voltage harmonics
Units
[%]
Measuring range
0.00% to 100%
Current
± 2% / ± 1digit
Voltage
± 2% / ± 1digit
Power
± 4% / ± 1digit
Power factor
± 2% / ± 1digit
Frequency
± 0.1% / ± 1digit
Reading
128 values per period
A/D converter
12 Bit
Measuring U and I
Acquiring measuring values for U and I simultaneously;
Measuring cycle
20 ms
Calculation of harmonics
DFT with 128 points over one period
Frequency measurement
Mode: Voltage measurement between phase Lx - N / Ly);
