ABB RELION REX640 Technical Manual page 1005

1MRS759142 F
Characteristic
Transient overreach SIR = 0.1...50
Reset time
Reset ratio
Operate time accuracy
4.7.1.12 Technical revision history
Table 934: DSTPDIS Technical revision history
Product connectivity
level
PCL4
4.7.2 Out of step OOSRPSB (ANSI 78PS)
4.7.2.1 Identification
Function description
Out-of-step protection with double
blinders
4.7.2.2 Function block
Figure 558: Function block
4.7.2.3 Functionality
The Out-of-step protection with double blinders function OOSRPSB detects out of
step conditions by monitoring impedance.
2
SIR = Source impedance ratio
REX640
Technical Manual
Value
<8.5%
Typically 45 ms
Typically 0.96/1.04
±1.0% of the set value or ±20 ms
Technical revision Change
B New outputs added: DIRECTION_Z1...Z5. Set-
ting
0.00...5.00. Setting
range extended to -180...180. Setting
phase angle zone range extended to 90....150.
Setting
ded to 0...60
IEC 61850
identification
OOSRPSB
Protection functions
Factor K0 zone 1...5 range extended to
Factor K0 angle Zn1...5
Max phase angle zone range exten-
IEC 60617
identification
OOS
Min
ANSI/IEEE C37.2
device number
78PS
1005