Operating instructions multicomp
Page 26 of 29 Version 1.00
EDEBDA0144 / 0511-1 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);
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