ABB RELION REX640 - 4.7.1.12 Technical revision history; 4.7.2 Out of step OOSRPSB (ANSI 78 PS); 4.7.2.1 Identification; 4.7.2.2 Function block

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