Table 233. Functions included in the relay, continued
Function IEC 61850 IEC 60617 ANSI
Phase reversal protection PREVPTOC I2>> 46R
Thermal overload protection for motors MPTTR 3Ith>M 49M
Stabilized and instantaneous differential protection for
machines
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 protection
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
Fault locator SCEFRFLO FLOC FLOC
Load-shedding and restoration LSHDPFRQ UFLS/R 81LSH
Multipurpose protection MAPGAPC MAP MAP
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
Disconnector position indication DCSXSWI I <-> O DC 29DS
Earthing switch position indication ESSXSWI I <-> O ES 29GS
Emergency start-up ESMGAPC ESTART EST,62
Autoreclosing DARREC O -> I 79
Autosynchronizer for generator breaker ASGCSYN AUTOSYNCG 25AUTOSYNCG
Autosynchronizer for network breaker ASNSCSYN AUTOSYNCBT/T 25AUTOSYNCBT/T
Autosynchronizer co-ordinator ASCGAPC AUTOSYNC 25AUTOSYNC
Synchronism and energizing check SECRSYN SYNC 25
Tap changer control with voltage regulator OL5ATCC COLTC 90V
Transformer data combiner OLGAPC OLGAPC OLGAPC
1MRS759144 A
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