Table 2. Functions used in preconfigurations
Description A n
Protection
Three-phase non-directional overcurrent protection, low stage 1 1
Three-phase non-directional overcurrent protection, high stage 1 2
Three-phase non-directional overcurrent protection, instantaneous stage - 1
Voltage dependent overcurrent protection 2 2
Three-phase directional overcurrent protection, low stage - 2
Three-phase directional overcurrent protection, high stage - 1
Non-directional earth-fault protection, low stage - 1
Non-directional earth-fault protection, high stage - 1
Non-directional earth-fault protection, instantaneous stage - 1
Directional earth-fault protection, low stage 1 2
Directional earth-fault protection, high stage 1 1
Third harmonic based stator earth-fault protection - 1
High-impedance based restricted earth-fault protection - 1
Rotor earth-fault protection - 1
Negative-sequence overcurrent protection for machines 2 2
Three-phase thermal overload protection, two time constants 1 1
Three-phase current inrush detection - 1
Transformer differential protection for two-winding transformers - 1
High-impedance or flux-balance based differential protection for machines - 1
Stabilized differential protection for machines 1 1
Three-phase overvoltage protection 2 2
Three-phase undervoltage protection 2 2
Positive-sequence overvoltage protection - 2
Positive-sequence undervoltage protection - 2
Negative-sequence overvoltage protection - 2
Residual overvoltage protection 2 3
Directional reactive power undervoltage protection - 2
Reverse power/directional overpower protection 2 3
Underpower protection 2 3
Frequency gradient protection 2 4
Overfrequency protection 2 4
Underfrequency protection 2 4
Low voltage ride through protection function - 3
Overexcitation protection - 2
Voltage vector shift protection - 1
Three-phase underexcitation protection 2 2
Generator Protection and Control
1MRS757583 C
Product version: 1.3
10 ABB
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