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DIRIS DIGIWARE - 546420C - SOCOMEC
15.2. Evaluation of the power quality
symbol
Function
overall operating
performance class
DIRIS Digiware in compliance
with iec 61557-12
measurement
range
f
Frequency
0.02
45 - 65 Hz
I
Phase current
0.5
20% Ib ... Imax
INc
Calculated neutral current
1
20% Ib ... Imax
U
Voltage (Lp-Lg or Lp-N)
0.2
50 - 300 VAC Ph/N
Pst, Plt
Flicker (short-term, long-term)
-
-
Udip
Voltage dip (Lp-Lg or Lp-N)
0.5
-
Uswl
Voltage swell (Lp-Lg or Lp-N)
0.5
-
Uint
Voltage interruption (Lp-Lg or Lp-N)
0.2
-
Unba
Voltage amplitude unbalance (Lp-N)
0.5
-
Unb
Voltage phase and amplitude unbalance (Lp-Lg or
Lp-N)
0.2
-
Uh
Voltage harmonics
1
-
Ih
Current harmonics
1
-
Msv
Centralised remote control signals
-
-