ABB RELION REX640 Technical Manual page 1015

Protection and control
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1MRS759142 F
4.7.2.9
OOSRPSB Monitored data
Table 943: OOSRPSB Monitored data
Name
Type
Z1_AMPL
FLOAT32
Z1_ANGLE
FLOAT32
SLIP_CNT_Z1
INT32
SLIP_CNT_Z2
INT32
SLIP_CNT_Z3
INT32
OOSRPSB
Enum
4.7.2.10
Technical data
Table 944: OOSRPSB Technical data
Characteristic
Impedance reach
Reset time
Operate time accuracy
Suppression of harmonics
4.7.3
Three-phase underexcitation protection UEXPDIS (ANSI
40)
4.7.3.1
Identification
Function description
Three-phase underexcitation pro-
tection
REX640
Technical Manual
Values (Range)
Unit
0.00...99999.00
ohm
-180...180
deg
0...9999
0...9999
0...9999
1=on
2=blocked
3=test
4=test/blocked
5=off
Value
Depending on the frequency of the meas-
ured current and voltage: f
±3.0% of the reach value or ±0.2% of U
× I
±1.0% of the set value or ±40 ms
±1.0% of the set value or ±20 ms
DFT: -50 dB at f = n × f
IEC 61850
identification
UEXPDIS
Protection functions
Description
Positive sequence im-
pedance amplitude
Positive sequence im-
pedance phase angle
Zone 1 slip counter
Zone 2 slip counter
Zone 3 slip counter
Status
n
)
n
, where n = 2, 3, 4, 5...
n
IEC 60617
identification
X<
±2 Hz
/(√3
n
ANSI/IEEE C37.2
device number
40
1015

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