ABB RELION 620 Series Technical Manual page 956

Section 8
Measurement functions
8.1.8.4
Table 921: RESVMMXU Non group settings (Basic)
Parameter
Operation
V Hi high limit res
V high limit res
V deadband res
Table 922: RESVMMXU Non group settings (Advanced)
Parameter
Measurement mode
8.1.8.5
8.1.8.6
950
Settings
Values (Range) Unit
1=on
5=off
0.00...4.00 xUn
0.00...4.00 xUn
100...100000
Values (Range) Unit
1=RMS
2=DFT
Monitored data
Table 923: RESVMMXU Monitored data
Name
Uo-kV
U_INST_RES
U_ANGL_RES
U_DB_RES
U_DMD_RES
U_RANGE_RES
Technical data
Table 924: RESVMMXU Technical data
Characteristic
Operation accuracy
Suppression of harmonics
Step Default
1=on
1 0.20
1 0.05
1 10000
Step Default
2=DFT
Type Values (Range)
FLOAT32 0.00...4.00
FLOAT32 0.00...4.00
FLOAT32 -180.00...180.00
FLOAT32 0.00...4.00
FLOAT32 0.00...4.00
Enum 0=normal
1=high
2=low
3=high-high
4=low-low
Value
Depending on the frequency of the measured
voltage: f/f
±0.5% or ±0.002 × U
DFT: -50 dB at f = n × f
RMS: No suppression
1MRS757644 F
Description
Operation Off / On
High alarm voltage limit
High warning voltage limit
Deadband configuration value for integral
calculation. (percentage of difference
between min and max as 0,001 % s)
Description
Selects used measurement mode
Unit Description
xUn Measured residual
voltage
xUn Residual voltage
Amplitude, magnitude of
instantaneous value
deg Residual voltage angle
xUn Residual voltage
Amplitude, magnitude of
reported value
xUn Demand value of residual
voltage
Residual voltage
Amplitude range
= ±2 Hz
n
n
, where n = 2, 3, 4, 5,...
n
Technical Manual
620 series