Monitored Data - ABB RELION REX640 Technical Manual

Section 4
Protection functions
4.12.5.9
4.12.5.10
1058

Monitored data

Table 996: CNUPTOV Monitored data
Name Type
START_DUR FLOAT32
U_AMPL_RES FLOAT32
U_ANGL_RES FLOAT32
U_AMPL_N FLOAT32
U_ANGL_N FLOAT32
U_UNB_AMPL FLOAT32
U_UNB_ANGL FLOAT32
U_OPR FLOAT32
CNUPTOV Enum
Technical data
Table 997: CNUPTOV Technical data
Characteristic
Operation accuracy
U
1)2)
Start time
value
Reset time
Reset ratio
Table continues on next page
Values (Range)
0.00...100.00
0.00...5.00
-180.00...180.00
0.00...5.00
-180.00...180.00
0.00...5.00
-180.00...180.00
0.00...5.00
1=on
2=blocked
3=test
4=test/blocked
5=off
Value
Depending on the frequency of the measured
voltage: f
±1.5% of the set value or ±0.002 × U
Start
= 1.1 × set Typically 75 ms
Fault
Typically 40 ms
Typically 0.96
1MRS759142 C
Unit Description
% Ratio of start time /
operate time
xUn Magnitude of capacitor
terminal open delta
voltage (either calculated
or derived)
deg Angle of capacitor
terminal open delta
voltage (either calculated
or derived)
xUn Magnitude of capacitor
neutral zero sequence
voltage
deg Angle of capacitor neutral
zero sequence voltage
xUn Magnitude of recorded
natural unbalance
compensation
component voltage
deg Angle of recorded natural
unbalance compensation
component voltage
xUn Calculated operating
voltage
Status
±2 Hz
n
Technical Manual
n
REX640