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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
Содержание 615 Series ANSI
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