ABB RELION REX640 Technical Manual page 1037

1MRS759142 F
Parameter Values (Range)
4=3Phase-to-phase
Phase Sel for Z Clc
1=AB
2=BC
3=CA
Table 966: UZPDIS Non group settings (Advanced)
Parameter Values (Range)
Reset delay time 0...60000
4.7.4.9 UZPDIS Monitored data
Table 967: UZPDIS Monitored data
Name Type
START_DUR FLOAT32
Z_AMPL_AB FLOAT32
Z_AMPL_BC FLOAT32
Z_AMPL_CA FLOAT32
UZPDIS Enum
4.7.4.10 Technical data
Table 968: UZPDIS Technical data
Characteristic
Operation accuracy
Start time
Reset time
Reset ratio
Retardation time
Operate time accuracy
1
f = 50 Hz, results based on statistical distribution of 1000 measurements
n
2
Includes the delay of the signal output contact
REX640
Technical Manual
Unit
Unit
ms
Values (Range)
0.00...100.00
0.00...200.00
0.00...200.00
0.00...200.00
1=on
2=blocked
3=test
4=test/blocked
5=off
1, 2
Step Default
1=AB
Step Default
10 20
Unit
%
xZn
xZn
xZn
Value
Depending on the frequency of the meas-
ured current and voltage: f
±3.0% of the set value or ±0.2 %Zb
Typically 50 ms
Typically 40 ms
Typically 1.04
<40 ms
±1.0% of the set value or ±20 ms
Protection functions
Description
impedance calcula-
tion
Select phase/
phase-phase vol-
tages and currents
for Z calculation.
Description
Reset delay time
Description
Ratio of start time / op-
erate time (in %)
Phase-to-phase A-B im-
pedance amplitude
Phase-to-phase B-C im-
pedance amplitude
Phase-to-phase C-A im-
pedance amplitude
Status
±2 Hz
n
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