Supervision CB Make Time Stage
Description
Logic of the Stage
[Lo_sup-cb-make-time, 1, en_US]
Figure 9-30
Logic of the Supv.CB Make Time Stage
Operating Mode
The stage for the supervision of the circuit-breaker make time calculates the time between the circuit-breaker
closing command and the point in time when the current from at least one phase exceeds the
Oper.current threshold. If this threshold has not been exceeded after 2.5 times the value of the param-
eter CB make time, the measurement is canceled and the output value
Make time
is set to 0 and marked
with the quality invalid.
If at least one phase of the current has exceeded the parameter Oper.current threshold or the param-
eter Current thresh. CB open at the time of the circuit-breaker closing command, the measurement is
canceled and the output value
Make time
is marked with the quality invalid.
You can define 2 independent thresholds for the supervision of the measured make time. When these thresh-
olds are exceeded, the corresponding outputs
Warning 1
and
Warning 2
are activated for 100 ms. These
can be routed in the log.
9.6.7
9.6.7.1
Measured Values, Energy Values, and Supervision of the Primary System
9.6 Circuit-Breaker Wear Monitoring
1034 SIPROTEC 5, High-Voltage Bay Controller, Manual
C53000-G5040-C015-9, Edition 11.2017
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