ABB 615 Series ANSI, Technical Manual

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Section 8
1MAC050144-MB C
Measurement functions
552 615 series ANSI
Technical Manual
8.4.5 Monitored data
Table 460: IG Monitored data
8.4.6 Technical data
Table 461: IG Technical data
8.5 Three-phase voltage measurement, VA, VB, VC
8.5.1 Identification
Name Type Values (Range) Unit Description
IG-A FLOAT32 0.00...40.00 xIn Measured ground current
IG_INST FLOAT32 0.00...40.00 xIn Ground current Amplitude, magnitude of
instantaneous value
IG_DB FLOAT32 0.00...40.00 xIn Ground current Amplitude, magnitude of reported
value
IG_RANGE Enum 0=normal
1=high
2=low
3=high-high
4=low-low
Ground current Amplitude range
Characteristic Value
Pickup accuracy Depending on the frequency of the current
measured: f/f
n
= ±2Hz
±0.5% or ±0.002 x I
n
at currents in the range of 0.01...4.00 x I
n
Suppression of harmonics DFT: -50dB at f = n x f
n
, where n = 2, 3, 4, 5,…
RMS: No suppression
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Three-phase voltage VMMXU 3U VA, VB, VC