1.4.3 Functions, codes and symbols
Table 1: Functions included in the relay
Function
IEC 61850 IEC 60617 IEC-ANSI
Protection
Three-phase non-directional
overcurrent protection, low
stage
PHLPTOC1
3I> (1) 51P-1 (1)
PHLPTOC2 3I> (2) 51P-1 (2)
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>> -> (1) 67-2 (1)
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>>> (1) 50N/51N (1)
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>> -> (1) 67N-2 (1)
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 (1) 67NIEF (1)
Harmonics-based earth-fault
protection
HAEFPTOC1 Io>HA (1) 51NHA (1)
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> (1) 46PD (1)
Table continues on next page
1MRS756378 S Section 1
Introduction
REF615 11
Application Manual
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