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1MRS 751108-MUM
Protection Relay
Technical Reference Manual, General
REX 521
53
**) Breaker failure is generated by all the protection functions
SYNC1
Synchro-check/voltage check, St 1, SC Ok
P
218
2
1
1
1,9
SCVCSt1
SYNC1
Synchro-check/voltage check, St 1, Alarm not passed
P
218
3
1
1
1,9
SCVCSt1
f1
Underfrequency or overfrequency, St1, START1
P
171
84
1
1
1,9
Freq1St1
f1
Underfrequency or overfrequency, St1, TRIP1
P
171
90
0
1
1
Freq1St1
f1
Underfrequency or overfrequency, St1, START2
P
171
94
1
1
1,9
Freq1St1
f1
Underfrequency or overfrequency, St1, TRIP2
P
171
91
0
1
1
Freq1St1
f2
Underfrequency or overfrequency, St2, START1
P
172
84
1
1
1,9
Freq1St2
f2
Underfrequency or overfrequency, St2, TRIP1
P
172
90
0
1
1
Freq1St2
f2
Underfrequency or overfrequency, St2, START2
P
172
94
1
1
1,9
Freq1St2
f2
Underfrequency or overfrequency, St2, TRIP2
P
172
91
0
1
1
Freq1St2
PQ 3Inf
Current harmonic limit
P
204
20
0
1
1
PQCU3H
PQ 3Unf
Voltage waveform distortion measurement
P
205
20
0
1
1
PQVO3H
AC fail
P
240
181
1
1
1, 9
system
IRF test
P
239
11
0
1
1
system
IRF error
P
239
12
1
1
1, 9
system
Local parameter setting done
P
10
22
0
1
1
system
Table 11.5.-1Class 1 data signals
Function block
IEC name
St
Ftyp
Inf
Num
GI
Typ
COT
Function block
(ABB name)
Содержание REX 521
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