Section 15
Logic
15.1
Tripping logic common 3-phase output SMPPTRC
15.1.1
Identification
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Tripping logic common 3-phase output
SMPPTRC
I->O
SYMBOL-K V1 EN
94
15.1.2
Functionality
A function block for protection tripping is provided for each circuit breaker involved
in the tripping of the fault. It provides a settable pulse prolongation to ensure a trip
pulse of sufficient length, as well as all functionality necessary for correct co-
operation with autoreclosing functions.
The trip function block also includes a settable latch functionality for evolving faults
and breaker lock-out.
15.1.3
Function block
IEC05000707-2-en.vsd
SMPPTRC
BLOCK
BLKLKOUT
TRIN
TRINL1
TRINL2
TRINL3
PSL1
PSL2
PSL3
1PTRZ
1PTREF
P3PTR
SETLKOUT
RSTLKOUT
TRIP
TRL1
TRL2
TRL3
TR1P
TR2P
TR3P
CLLKOUT
IEC05000707 V2 EN
Figure 366:
SMPPTRC function block
1MRK502052-UEN B
Section 15
Logic
791
Technical manual
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