CHAPTER B: IEC 61850 IMPLEMENTATION DETAILS MICS
8 SERIES PROTECTIVE RELAY PLATFORM – COMMUNICATIONS GUIDE B-3
ThHaNeutAlmPTUV Third Harmonic Neutral Alarm
Undervoltage
27TN - - - Yes(1)
PTUF Underfrequency 81U Yes(6) Yes(12) Yes(4) Yes(4)
FastPTUF Fast Underfrequency - - Yes(8) - -
HzBndPTUF Frequency out of band
accumulation
81A---Yes(7)
PFRC Rate of change of frequency 81R Yes(6) Yes(12) Yes(1) Yes(2)
PTRC Protection trip conditioning
(Trip bus)
- Yes(6) Yes(6) Yes(6) Yes(6)
PTTR Thermal Overload 49 - Yes(2) - -
curPTTR Transformer thermal O/L 49 Yes(1) - - -
MotThmPTTR Thermal Mode 49 - - Yes(1) -
GenThmPTTR Thermal Overload 49TOL - - - Yes(1)
WatPSDE Wattmetric Ground Fault -
Sensitive Directional
Earthfault
32N - Yes(4) - -
NeutAdm Neutral Admittance 21YN - Yes(3) -
PDOP Directional Power 32 Yes(2) Yes Yes(1) Yes(2)
PMRI Start Inhibit 66 - - Yes(1) -
tripPDUP Trip Underpower 37P - - Yes(1) -
almPDUP Alarm Underpower 37P - - Yes(1) -
RctPwrTripPDUP Reactive Power Trip 40Q - - Yes(1) Yes(1)
RctPwrAlmPDUP Reactive Power Alarm 40Q - - Yes(1) Yes(1)
SeqShtdnPDUP Sequential Shutdown - - - - Yes(1)
PTUC Undercurrent 37 - - Yes(1) -
PDIF Differential Protection 87 Yes(1) - - -
PcntPDIF Percent Differential 87T Yes(1) - Yes(1) Yes(1)
OvrlPcntPDIF Overall Percent Differential----Yes(1)
LosExtPDIS Loss of Excitation 40 - - - Yes(2)
OOSPPAM Out of Step - Phase angle
measuring
78---Yes(1)
ThHaVPHIZ Third Harmonic Voltage
Difference
64TN - - - Yes(1)
HaDetPHAR Harmonic Detection - - - - Yes(6)
PVPH Volts per Hertz 24 Yes(2) - Yes(1) Yes(2)
F:Logical Nodes for
functional block
Description ANSI 845 850 869 889
TurnFltFXOT Stator Inter-turn Fault - - - Yes(1) -
RunHrsFXOT Generator Running Hours - - - - Yes(1)
R:Logical Nodes for
protection functions
Description ANSI 845 850 869 889
ndRDIR Neutral Directional2 67N Yes(1) Yes(4) Yes(1) Yes(1)
gndRDIR Ground Directional 67G Yes(1) Yes(2) - Yes(1)
ngseqRDIR Negative Sequence
Directional
67_2 - Yes(2) - Yes(1)
hseRDIR Sensitive Ground Directional 67SG - Yes(1) - Yes(1)
phsRDIR Phase Directional Overcurrent 67P Yes(1) Yes(4) Yes(1) Yes(1)
RREC Autorecloser 79 - Yes(2) - -
rptRFLO Fault Report - - Yes(15) - -
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