Section 12
Scheme communication
12.1
Scheme communication logic for distance or
overcurrent protection ZCPSCH
IP15749-1 v3
12.1.1
Identification
M14854-1 v4
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Scheme communication logic for
distance or overcurrent protection
ZCPSCH
-
85
12.1.2
Functionality
M13860-3 v10
To achieve instantaneous fault clearance for all line faults, scheme communication
logic is provided. All types of communication schemes for permissive
underreaching, permissive overreaching, blocking, delta based blocking,
unblocking and intertrip are available.
The built-in communication module (LDCM) can be used for scheme
communication signaling when included.
12.1.3
Function block
M13866-3 v7
ZCPSCH
I3P*
U3P*
BLOCK
BLKTR
BLKCS
CSBLK
CACC
CSOR
CSUR
CR
CRG
CBOPEN
TRIP
CS
CHSTOP
CRL
LCG
IEC09000004
IEC09000004 V4 EN-US
Figure 216:
ZCPSCH function block
1MRK 506 382-UEN A
Section 12
Scheme communication
Line distance protection REL650 2.2 IEC
433
Technical manual
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