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14.4.6
Monitored data
PID-3267-MONITOREDDATA v7
Table 416:
SSCBR Monitored data
Name
Type
Values (Range)
Unit
Description
TTRVOP
REAL
-
ms
Travel time of the CB
during opening operation
TTRVCL
REAL
-
ms
Travel time of the CB
during closing operation
NOOPER
INTEGER
-
-
Number of CB operation
cycle
CBLIFEPH
INTEGER
-
-
CB Remaining life of
respective phase
INADAYS
INTEGER
-
-
The number of days CB
has been inactive
IPOWPH
REAL
-
-
Accumulated
I^CurrExponent
integrated over CB open
travel time
SPCHT
REAL
-
s
The charging time of the
CB spring
14.4.7
Operation principle
GUID-3902D69C-1858-40DD-AD63-C33C381697BA v12
The breaker monitoring function includes metering and monitoring subfunctions.
The subfunctions can be enabled and disabled with the
Operation
setting. The
corresponding parameter values are
On
and
Off
.
The operation of the subfunctions is described by the module diagram as shown in
figure
. All the modules in the diagram are explained in subsequent sections.
1MRK 506 382-UEN A
Section 14
Monitoring
Line distance protection REL650 2.2 IEC
575
Technical manual
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