• This document assumes that the parameter setting visibility is "Advanced".
•
A functional earth terminal is indicated in figures with the symbol .
• Equipment protected throughout by double insulation or reinforced insulation
(equivalent to class II of IEC 61140) is indicated in figures with the symbol
.
1.4.3 Functions, codes and symbols
All available functions are listed in the table. All of them may not be applicable to
all products.
Table 1: Functions included in the relay
Function IEC 61850 IEC 60617 IEC-ANSI
Protection
Three-phase non-directional
overcurrent protection, low stage
PHLPTOC 3I> 51P-1
Three-phase non-directional
overcurrent protection, high stage
PHHPTOC 3I>> 51P-2
Three-phase non-directional
overcurrent protection,
instantaneous stage
PHIPTOC
3I>>> 50P
Three-phase directional overcurrent
protection, low stage
DPHLPDOC 3I> -> 67P/51P-1
Three-phase directional overcurrent
protection, high stage
DPHHPDOC 3I>> -> 67P/51P-2
Non-directional earth-fault
protection, low stage
EFLPTOC Io> 51G/51N-1
Non-directional earth-fault
protection, high stage
EFHPTOC Io>> 51G/51N-2
Non-directional earth-fault
protection, instantaneous stage
EFIPTOC Io>>> 50G/50N
Directional earth-fault protection, low
stage
DEFLPDEF Io> -> 67G/N-1 51G/N-1
Directional earth-fault protection,
high stage
DEFHPDEF Io>> -> 67G/N-1 51G/N-2
Three-phase inrush detector INRPHAR 3I2f> 68HB
Three-phase thermal protection for
feeders, cables and distribution
transformers
T1PTTR
3Ith>F 49F
Negative-sequence overcurrent
protection
NSPTOC I2>M 46M
Phase discontinuity / Single phasing
protection for motor
PDNSPTOC I2/I1> 46PD
Loss of phase, undercurrent PHPTUC 3I< 37
Three-phase undervoltage
protection
PHPTUV 3U< 27
Three-phase overvoltage protection PHPTOV 3U> 59
Table continues on next page
Section 1 2NGA000823 A
Introduction
8 REX610
Operation Manual
To Next Page
Loading...
