ABB RED615 Product Manual page 4

Line Differential Protection and Control
RED615
Product version: 2.0
Table 2. Supported functions
Functionality
1)
Protection
Line differential protection and related measurements, stabilized
and instantaneous stages
Three-phase non-directional overcurrent, low stage, instance 1
Three-phase non-directional overcurrent, high stage, instance 1
Three-phase non-directional overcurrent, high stage, instance 2
Three-phase non-directional overcurrent, instantaneous stage,
instance 1
Non-directional earth-fault protection, low stage (SEF), instance 1
Non-directional earth-fault protection, low stage, instance 2
Non-directional earth-fault protection, high stage, instance 1
Non-directional earth-fault protection, instantaneous stage, instance
1
Directional earth-fault protection, low stage (SEF), instance 1
Directional earth-fault protection, low stage, instance 2
Directional earth-fault protection, high stage, instance 1
Transient / intermittent earth-fault protection
Non-directional (cross-country) earth-fault protection, using
calculated I
0
Negative sequence overcurrent protection, instance 1
Negative sequence overcurrent protection, instance 2
Phase discontinuity protection
Three-phase thermal protection for feeders, cables and distribution
transformers
Binary signal transfer
Circuit-breaker failure protection
Three-phase inrush current detector
Master trip, instance 1
Master trip, instance 2
Control
Circuit-breaker control with interlocking
4
1MRS756500 B
Issued: 03.07.2009
A B C
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ABB