1.4.3 Functions, codes and symbols
Table 1: REF615 functions, codes and symbols
Function IEC 61850 IEC 60617 IEC-ANSI
Protection
Three-phase non-directional overcurrent
protection, low stage
PHLPTOC1 3I> (1) 51P-1 (1)
Three-phase non-directional overcurrent
protection, high stage
PHHPTOC1 3I>> (1) 51P-2 (1)
PHHPTOC2 3I>> (2) 51P-2 (2)
Three-phase non-directional overcurrent
protection, instantaneous stage
PHIPTOC1 3I>>> (1) 50P/51P (1)
Three-phase directional overcurrent
protection, low stage
DPHLPDOC1 3I> -> (1) 67-1 (1)
DPHLPDOC2 3I> -> (2) 67-1 (2)
Three-phase directional overcurrent
protection, high stage
DPHHPDOC1 3I>> -> 67-2
Non-directional earth-fault protection, low stage EFLPTOC1 Io> (1) 51N-1 (1)
EFLPTOC2 Io> (2) 51N-1 (2)
Non-directional earth-fault protection, high
stage
EFHPTOC1 Io>> (1) 51N-2 (1)
Non-directional earth-fault protection,
instantaneous stage
EFIPTOC1 Io>>> 50N/51N
Directional earth-fault protection, low stage DEFLPDEF1 Io> -> (1) 67N-1 (1)
DEFLPDEF2 Io> -> (2) 67N-1 (2)
Directional earth-fault protection, high stage DEFHPDEF1 Io>> -> 67N-2
Admittance based earth-fault protection EFPADM1 Yo> -> (1) 21YN (1)
EFPADM2 Yo> -> (2) 21YN (2)
EFPADM3 Yo> -> (3) 21YN (3)
Wattmetric based earth-fault protection WPWDE1 Po> -> (1) 32N (1)
WPWDE2 Po> -> (2) 32N (2)
WPWDE3 Po> -> (3) 32N (3)
Transient / intermittent earth-fault protection INTRPTEF1 Io> -> IEF 67NIEF
Harmonics based earth-fault protection HAEFPTOC1 Io>HA 51NHA
Non-directional (cross-country) earth fault
protection, using calculated Io
EFHPTOC1 Io>> (1) 51N-2 (1)
Negative-sequence overcurrent protection NSPTOC1 I2> (1) 46 (1)
NSPTOC2 I2> (2) 46 (2)
Phase discontinuity protection PDNSPTOC1 I2/I1> 46PD
Residual overvoltage protection ROVPTOV1 Uo> (1) 59G (1)
ROVPTOV2 Uo> (2) 59G (2)
ROVPTOV3 Uo> (3) 59G (3)
Three-phase undervoltage protection PHPTUV1 3U< (1) 27 (1)
PHPTUV2 3U< (2) 27 (2)
PHPTUV3 3U< (3) 27 (3)
Table continues on next page
Section 1 1MRS756711 D
Introduction
10 REF615
Point List Manual
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