ABB Relion 650 Series Technical Manual page 498

Section 13
Monitoring
The operation of the functions can be described by using a module diagram. All the modules in the
diagram are explained in the next sections.
POSCLOSE
POSOPEN
I3P
BLK_ALM
BLOCK
TRVTRST
IACCRST
CBCNTRST
SPRCHRGN
SPRCHRGD
TRVTRST
ALMPRES
LOPRES
GUID-FE21BBDC-57A6-425C-B22B-8E646C1BD932-ANSI V1 EN-US
Figure 253: Functional module diagram
13.17.7.1 Circuit breaker status
The circuit breaker status subfunction monitors the position of the circuit breaker, that is,
whether the breaker is in an open, closed or intermediate position. The operation of the breaker
status monitoring can be described by using a module diagram. All the modules in the diagram are
explained in the next sections.
492
Circuit
breaker
status
I_A
I_B
I_B
© Copyright 2011 ABB Power Grids. All rights reserved
CBOPEN
52a
CBINVPOS
Operation
NOOPRALM
monitoring
TRVTOAL
Breaker
contact
travel time
TRVTCAL
OPRALM
Operation
counter
OPRLOALM
IACCALM
Accumula-
ted energy
IACCLOAL
Breaker
CBLIFEAL
life time
Spring
charge SPRCHRAL
indication
PRESALM
Gas
pressure
supervision
PRELO
Line distance protection REL650
1MRK 506 326-UUS B
GUID-390A1250-B258-4023-9A7D-0D7E19E13A6C v6
Technical manual