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EN
DIRIS B-10L - 551174A - SOCOMEC
12.2. Evaluation of the power supply quality
Symbol
Function
Overall operating performance
class for DIRIS B-10L
+ associated sensors (TE, TR /
iTR, TF) in compliance with IEC
61557-12
Measurement
range
f
Frequency
0.02
45 - 65 Hz
I, IN
Phase current, measured neutral current
0.2 DIRIS B-10L alone
0.5 with TE, iTR or TF sensors
1 with TR sensors
5% - 120% In
10% - 120% In
10% - 120% In
INc
Calculated neutral current
1 with TE, iTR or TF sensors
2 with TR sensors
10% - 120% In
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
Temporary overvoltages (Lp-Lg or Lp-N)
0.5
-
Uint
Voltage outage (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 with TE, TR /iTR or TF sensors
-
Msv
Centralised remote control signals
-
-
