Function IEC 61850 IEC 60617 ANSI
Loss of phase, undercurrent PHPTUC 3I< 37
Loss of load supervision LOFLPTUC 3I< 37
Motor load jam protection JAMPTOC Ist> 50TDJAM
Motor start-up supervision STTPMSU Is2t n< 49,66,48,50TDLR
Motor start counter MSCPMRI n< 66
Phase reversal protection PREVPTOC I2>> 46R
Thermal overload protection for motors MPTTR 3Ith>M 49M
Stabilized and instantaneous differential protection for ma-
chines
MPDIF 3dl>M/G 87M/87G
Underpower factor protection MPUPF PF< 55U
Stabilized and instantaneous differential protection for two- or
three- winding transformers
TR3PTDF 3dI>3W 87T3
Stabilized and instantaneous differential protection for two-
winding transformers
TR2PTDF 3dI>T 87T
Numerical stabilized low-impedance restricted earth-fault pro-
tection
LREFPNDF dIoLo> 87NLI
High-impedance based restricted earth- fault protection HREFPDIF dIoHi> 87NHI
High-impedance differential protection for phase A HIAPDIF dHi_A> 87_A
High-impedance differential protection for phase B HIBPDIF dHi_B> 87_B
High-impedance differential protection for phase C HICPDIF dHi_C> 87_C
Circuit breaker failure protection CCBRBRF 3I>/Io>BF 50BF
Three-phase inrush detector INRPHAR 3I2f> 68HB
Master trip TRPPTRC Master Trip 94/86
Arc protection ARCSARC ARC AFD
High-impedance fault detection PHIZ HIF HIZ
Cable Fault Detection RCFD CFD CFD
Fault locator SCEFRFLO FLOC FLOC
Load-shedding and restoration LSHDPFRQ UFLS/R 81LSH
Multipurpose protection MAPGAPC MAP MAP
Accidental energization protection GAEPVOC U<,I> 50/27
Load blinder LBRDOB LB 21LB
Control
Circuit-breaker control CBXCBR I <-> O CB 52
Three-state disconnector control P3SXSWI I<->O P3S 29DS/GS
Disconnector control DCXSWI I <-> O DCC 29DS
Earthing switch control ESXSWI I <-> O ESC 29GS
Three-state disconnector position indication P3SSXSWI I<->O P3SS 29DS/GS
Table continues on the next page
Introduction 1MRS759142 F
36 REX640
Technical Manual
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