16.4.6
Monitored data
Table 661:
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
16.4.7
Operation principle
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
. All the modules in the diagram are explained in subsequent sections.
Section 16
1MRK502052-UEN B
Monitoring
900
Technical manual
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