ABB RELION 620 Series Technical Manual page 654

Section 7
Measurement functions
7.1.7.4
Table 480: VG Non group settings
Parameter Values (Range)
Operation 1=enable
5=disable
Measurement mode 1=RMS
2=DFT
V Hi high limit res 0.00...4.00
V high limit res 0.00...4.00
V deadband res 100...100000
7.1.7.5
7.1.7.6
7.1.8
7.1.8.1
648
Settings
Unit Step
xVn
xVn
Monitored data
Table 481: VG Monitored data
Name Type
VG-kV FLOAT32
Technical data
Table 482: VG Technical data
Characteristic
Operation accuracy
Suppression of harmonics
Sequence current measurement I1, I2, I0
Identification
Function description
Sequence current measurement
Default Description
1=enable Operation Disable / Enable
2=DFT Selects used measurement mode
0.20 High alarm voltage limit
0.05 High warning voltage limit
10000 Deadband configuration value for integral
calculation. (percentage of difference between
min and max as 0,001 % s)
Values (Range) Unit
0.00...4.00 xVn
Value
Depending on the frequency of the measured
current: f/f = ±2 Hz
n
±0.5% or ±0.002 × V
DFT: -50 dB at f = n × f
RMS: No suppression
IEC 61850 IEC 60617
identification identification
CSMSQI I1, I2, I0
1MAC504801-IB E
Description
Measured residual voltage
n
, where n = 2, 3, 4, 5,...
n
ANSI/IEEE C37.2
device number
I1, I2, I0
620 series ANSI
Technical Manual