Technical Data - ABB RELION REX640 Technical Manual

1MRS759142 C
4.7.3.10
REX640
Technical Manual
Name Type
Z_ANGLE_B FLOAT32
Z_AMPL_C FLOAT32
Z_ANGLE_C FLOAT32
Z_AMPL_AB FLOAT32
Z_ANGLE_AB FLOAT32
Z_AMPL_BC FLOAT32
Z_ANGLE_BC FLOAT32
Z_AMPL_CA FLOAT32
Z_ANGLE_CA FLOAT32
Z1_AMPL FLOAT32
Z1_ANGLE FLOAT32
UEXPDIS Enum

Technical data

Table 876: UEXPDIS Technical data
Characteristic
Operation accuracy
1)2)
Start time
Reset time
Reset ratio
Retardation time
Operate time accuracy
Suppression of harmonics
1) f = 50Hz, results based on statistical distribution of 1000 measurements
n
2) Includes the delay of the signal output contact
Protection functions
Values (Range) Unit
-180.00...180.00 deg
0.00...200.00 xZn
-180.00...180.00 deg
0.00...200.00 xZn
-180.00...180.00 deg
0.00...200.00 xZn
-180.00...180.00 deg
0.00...200.00 xZn
-180.00...180.00 deg
0.00...200.00 xZn
-180.00...180.00 deg
1=on
2=blocked
3=test
4=test/blocked
5=off
Value
Depending on the frequency of the measured
current and voltage:
f = f ± 2 Hz
n
±3.0% of the set value or ±0.2% Zb
Typically 45 ms
Typically 30 ms
Typically 1.04
Total retardation time when the impedance
returns from the operating circle <40 ms
±1.0% of the set value or ±20 ms
-50 dB at f = n × f
Section 4
Description
Impedance angle phase
B
Impedance amplitude
phase C
Impedance angle phase
C
Phase-to-phase A-B
impedance amplitude
Phase-to-phase A-B
impedance phase angle
Phase-to-phase B-C
impedance amplitude
Phase-to-phase B-C
impedance phase angle
Phase-to-phase C-A
impedance amplitude
Phase-to-phase C-A
impedance phase angle
Positive sequence
impedance amplitude
Positive sequence
impedance phase angle
Status
, where n = 2, 3, 4, 5,...
n
941