
Directional earth fault PDEF........................................................ 50
Differential protection PDIF......................................................... 54
Distance protection PDIS............................................................ 60
Directional overcurrent PDOC..................................................... 99
Overcurrent protection PVOC....................................................103
Rate of change of frequency PFRC...........................................104
Frequency protection PFRQ......................................................105
Harmonic distortion PHAR.........................................................109
Local acceleration logic PLAL................................................... 109
Motor supervision PMSU...........................................................110
Restricted earth fault PNDF.......................................................113
Protection scheme PSCH..........................................................116
Transient earth fault PTEF........................................................ 121
Transformer differential PTDF................................................... 122
Time overcurrent PTOC............................................................ 127
Overfrequency PTOF................................................................ 141
Overvoltage PTOV.................................................................... 143
Protection trip conditioning PTRC............................................. 147
Thermal overload PTTR............................................................ 148
Time undercurrent PTUC.......................................................... 154
Undervoltage PTUV...................................................................155
Vector shift PPAM..................................................................... 161
Underfrequency PTUF...............................................................163
Admittance-based earth-fault protection PADM........................ 164
Multi-frequency neutral admittance earth-fault protection
PSDE.........................................................................................172
Directional power protection PDPR........................................... 174
Volts per Hz PVPH.................................................................... 178
Directional earth fault wattmetric PWDE................................... 179
Stator earth-fault protection PSEF.............................................182
Multipurpose analog protection GAPC...................................... 185
Multipurpose analog protection MAPGAPC......................... 185
System logical nodes......................................................................186
Physical device information LPHD............................................ 186
Logical nodes for protection related functions................................ 187
Breaker failure RBRF................................................................ 187
Differential supervision RDIF.....................................................187
Disturbance recorder RDRE......................................................188
Fault locator RFLO.................................................................... 190
Fuse failure supervision RFUF.................................................. 203
Autoreclosing RREC..................................................................204
Switch onto fault logic RSOF.....................................................209
Synchronising RSYN................................................................. 210
Table of contents
2630 series
Communication Protocol Manual