Table 2. Supported functions
Functionality
Conf. A
Protection
1)
High-impedance differential protection, instance 1
●
High-impedance differential protection, instance 2
●
High-impedance differential protection, instance 3
●
Non-directional earth-fault protection, low stage, instance 1
●
2)
Non-directional earth-fault protection, high stage, instance 1
●
2)
Circuit breaker failure protection
●
Master trip, instance 1
●
Master trip, instance 2
●
Control
Circuit-breaker control
●
Supervision
Trip circuit supervision, instance 1
●
Trip circuit supervision, instance 2
●
CT supervision for high-impedance protection scheme, instance 1
●
CT supervision for high-impedance protection scheme, instance 2
●
CT supervision for high-impedance protection scheme, instance 3
●
Measurement
Disturbance recorder
●
Three-phase current measurement, instance 1
3)
●
Residual current measurement, instance 1
●
● = Included
1)
The instances of a protection function represent the number of identical function blocks available in a standard configuration.
2)
Io selectable by parameter, Io measured as default.
3)
In REB611, CMMXU is used for measuring differential phase currents.
Busbar and Multipurpose Differential Protection and Control
1MRS757467 B
REB611
Product version: 1.0
4
ABB
Summary of Contents for Relion 611 series REB611
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