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28. Functions, codes and symbols
Table 105. Functions included in REF630
Functionality
IEC 61850
IEC 60617
ANSI
Protection
Three-phase non-directional overcurrent,
low stage
PHLPTOC
3I>
51P-1
Three-phase non-directional overcurrent,
high stage
PHHPTOC
3I>>
51P-2
Three-phase non-directional overcurrent,
instantaneous stage
PHIPTOC
3I>>>
50P/51P
Three-phase directional overcurrent, low
stage
DPHLPDOC
3I>
→
67-1
Three-phase directional overcurrent, high
stage
DPHHPDOC
3I>>
→
67-2
Non-directional earth fault, low stage
EFLPTOC
I
0
>
51N-1
Non-directional earth fault, high stage
EFHPTOC
I
0
>>
51N-2
Non-directional earth fault, instantaneous
stage
EFIPTOC
I
0
>>>
50N/51N
Directional earth fault, low stage
DEFLPDEF
I
0
>
→
67N-1
Directional earth fault, high stage
DEFHPDEF
I
0
>>
→
67N-2
Transient/intermittent earth fault
INTRPTEF
I
0
>
→
IEF
67NIEF
Negative-sequence overcurrent
NSPTOC
I
2
>
46
Three-phase thermal overload for feeder
T1PTTR
3Ith>F
49F
Three-phase overvoltage
PHPTOV
3U>
59
Three-phase undervoltage
PHPTUV
3U<
27
Positive-sequence overvoltage
PSPTOV
U1>
47O+
Positive-sequence undervoltage
PSPTUV
U
1
<
47U+
Negative-sequence overvoltage
NSPTOV
U
2
>
47O-
Residual overvoltage
ROVPTOV
U
0
>
59G
Frequency gradient
DAPFRC
df/dt>
81R
Overfrequency
DAPTOF
f>
81O
Underfrequency
DAPTUF
f<
81U
Load shedding
LSHDPFRQ
UFLS/R
81LSH
Feeder Protection and Control
1MRS756380 A
REF630
Product version: 1.0
Issued: 15.09.2009
74
ABB
Содержание REF630
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