ABB REF615 ANSI 5.0 FP1 - 32. Functions, codes and symbols

76 REF615 ANSI 5.0 FP1 FEEDER PROTECTION AND CONTROL
32. Functions, codes and symbols
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Table 119. Functions included in the relay
Function IEC 61850 ANSI
Protection
Three-phase non-directional overcurrent
protection, low stage
 
 
Three-phase non-directional overcurrent
protection, high stage
 
 
Three-phase non-directional overcurrent
protection, instantaneous stage  
Three-phase directional overcurrent
protection, low stage
 
 
Three-phase directional overcurrent
protection, high stage  
Non-directional earth-fault protection, low
stage
 
 
Non-directional earth-fault protection, high
stage  
Non-directional earth-fault protection,
instantaneous stage  
Directional earth-fault protection, low stage
 
 
Directional earth-fault protection, high stage
 
Admittance-based earth-fault protection
 
 
 
Wattmetric-based earth-fault protection
 
 
 

 
Harmonics-based earth-fault protection
 
Non-directional (cross-country) earth-fault
protection, using calculated Io  
Negative-sequence overcurrent protection
 
 
Phase discontinuity protection
 
Residual overvoltage protection
 
 
 
Three-phase undervoltage protection
 
 
 
Three-phase overvoltage protection
 
 
 
Positive-sequence undervoltage protection
 
 
Negative-sequence overvoltage protection
 
 