1MRK 505 350-UEN Section 3
System Settings
Technical Manual 23
Distributed busbar protection REB500
Section 3 System Settings
3.1 Circuit breakers
Figure 2 Settings / Circuit-breakers - Overview
The “Overview” tab opens a dialog with a list of all the feeder breakers and bus-tie
breakers shown in the single-line diagram are together with their labels, bay labels,
type of circuit-breaker (feeder or bus-tie) and the circuit-breaker reclaim time.
When “Extended blocking function for bus tie-breaker” is set to “No”, the standard
blocking function for bus tie-breakers is activated. If this setting is “Yes”, the
extended blocking function for “bus-ties in series” is activated. This setting is
relevant only for coupler breakers.
When “Breaker position used for BBP” is set to “No”, the current measurement of
busbar protection is enabled regardless of the feeder circuit-breaker. When set to
“Yes”, the current measurement of busbar protection is enabled or disabled
depending on the position of the circuit-breaker. In this case, configuring the signal
“11505_Close command CB” is imperative.
In the “Details” view the “Label” field can be edited and the reclaim time for each
circuit-breaker is entered in the corresponding field.
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