6.2
Power swing detection ZMRPSB
IP14499-1 v3
6.2.1
Identification
M14853-1 v3
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Power swing detection
ZMRPSB
Zpsb
SYMBOL-EE V1 EN-US
68
6.2.2
Functionality
M13873-3 v12
Power swings may occur after disconnection of heavy loads or trip of big
generation plants.
Power swing detection function (ZMRPSB ) is used to detect power swings and
initiate block of all distance protection zones. Occurrence of earth-fault currents
during a power swing inhibits the ZMRPSB function, to allow fault clearance.
6.2.3
Function block
M13884-3 v5
IEC06000264-2-en.vsd
ZMRPSB
I3P*
U3P*
BLOCK
BLKI01
BLKI02
BLK1PH
REL1PH
BLK2PH
REL2PH
I0CHECK
TRSP
EXTERNAL
START
ZOUT
ZIN
IEC06000264 V2 EN-US
Figure 53:
ZMRPSB function block
6.2.4
Signals
PID-3663-INPUTSIGNALS v6
Table 38:
ZMRPSB Input signals
Name
Type
Default
Description
I3P
GROUP
SIGNAL
-
Group signal for current input
U3P
GROUP
SIGNAL
-
Group signal for voltage input
BLOCK
BOOLEAN
0
Block of function
Table continues on next page
Section 6
1MRK 506 382-UEN A
Impedance protection
122
Line distance protection REL650 2.2 IEC
Technical manual
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