Section 7 Condition monitoring functions
7.1 Circuit breaker condition monitoring SSCBR
7.1.1 Identification
Function description IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Circuit breaker condition monitoring SSCBR CBCM CBCM
7.1.2 Function block
A070795 V2 EN
Figure 329: Function block
7.1.3 Functionality
The circuit breaker condition monitoring function SSCBR is used to monitor
different parameters of the circuit breaker. The breaker requires maintenance when
the number of operations has reached a predefined value. The energy is calculated
from the measured input currents as a sum of I
y
t values. Alarms are generated
when the calculated values exceed the threshold settings.
The function contains a blocking functionality. It is possible to block the function
outputs, if desired.
1YHT530004D05 D Section 7
Condition monitoring functions
615 series 607
Technical Manual
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