ABB
51
Feeder Protection and Control
REF615
Product version: 2.0
1MRS756379 D
29. Functions, codes
and symbols
Table 74. REF615 Functions, codes and symbols
Functions
IEC 61850
IEC
60617
ANSI
Protection functions
Three-phase non-directional overcurrent,
low-set stage
PHLPTOC
3I>
51P-1
Three-phase non-directional overcurrent,
high-set stage
PHHPTOC
3I>>
51P-2
Three-phase non-directional overcurrent,
instantaneous stage
PHIPTOC
3I>>>
50P/51P
Three-phase directional overcurrent, low-set stage
DPHLPDOC
3I>
→
67-1
Three-phase directional overcurrent,
high-set stage
DPHHPDOC 3I>>
→
67-2
Directional earth-fault, low-set stage
DEFLPDEF
I
0
>
→
67N-1
Directional earth-fault, high-set stage
DEFHPDEF
I
0
>>
→
67N-2
Transient/intermittent earth-fault
INTRPTEF
I
0
>
→
IEF
67N-IEF
Non-directional (cross country) earth-fault, using
calculated Io
EFHPTOC
I
0
>>
51N-2
Non-directional earth-fault, low-set stage (SEF)
EFLPTOC
I
0
>
51N-1
Non-directional earth-fault, low-set stage
EFLPTOC
I
0
>
51N-1
Non-directional earth-fault, high-set stage
EFHPTOC
I
0
>>
51N-2
Non-directional earth-fault, instantaneous stage
EFIPTOC
I
0
>>>
50N/51N
Negative-sequence overcurrent
NSPTOC
I
2
>
46
Phase discontinuity
PDNSPTOC
I
2
/I
1
>
46PD
Thermal overload
T1PTTR
3I
th
>
49F
Three-phase overvoltage
PHPTOV
3U>
59
Positive sequence undervoltage
PSPTUV1
U1<
47U+
Negative sequence overvoltage
NSPTOV1
U2>
47O-
Residual overvoltage
ROVPTOV
U
0
>
59G
Three-phase undervoltage
PHPTUV
3U<
27
Circuit breaker failure
CCBRBRF
3I>/I
0
>BF
51BF/51NBF
Three-phase inrush current detector
INRPHAR
3I2f>
68
Arc protection
ARCSARC
ARC
50L/50NL
Control functions
Circuit-breaker control
CBXCBR
I
↔
O CB
Auto-reclosing
DARREC
O
→
I
79
Supervision and Monitoring functions
Fuse failure supervision
SEQRFUF1
FUSEF
60
Current circuit supervision
CCRDIF
MCS 3I
MCS 3I
Summary of Contents for relion REF615
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